'Contiguous U.S. ' 1895 1 0.0 1895 2 0.0 1895 3 0.0 1895 4 0.8 1895 5 5.6 1895 6 10.1 1895 7 9.0 1895 8 11.9 1895 9 12.8 1895 10 16.8 1895 11 17.5 1895 12 16.6 1896 1 18.0 1896 2 13.0 1896 3 14.0 1896 4 17.5 1896 5 23.5 1896 6 28.5 1896 7 17.1 1896 8 29.3 1896 9 19.4 1896 10 9.0 1896 11 10.3 1896 12 14.3 1897 1 9.9 1897 2 10.5 1897 3 4.6 1897 4 4.7 1897 5 5.2 1897 6 6.6 1897 7 10.3 1897 8 11.4 1897 9 19.7 1897 10 28.1 1897 11 28.5 1897 12 26.0 1898 1 16.8 1898 2 18.7 1898 3 20.4 1898 4 20.3 1898 5 23.0 1898 6 21.5 1898 7 22.3 1898 8 16.7 1898 9 21.6 1898 10 19.9 1898 11 16.0 1898 12 15.8 1899 1 15.7 1899 2 15.8 1899 3 10.9 1899 4 14.9 1899 5 19.7 1899 6 18.4 1899 7 16.6 1899 8 20.6 1899 9 26.9 1899 10 27.3 1899 11 33.8 1899 12 34.0 1900 1 33.9 1900 2 17.9 1900 3 22.7 1900 4 19.5 1900 5 29.3 1900 6 29.5 1900 7 28.4 1900 8 27.0 1900 9 27.0 1900 10 27.5 1900 11 23.1 1900 12 26.3 1901 1 26.4 1901 2 28.7 1901 3 26.9 1901 4 20.0 1901 5 20.7 1901 6 28.2 1901 7 39.9 1901 8 39.9 1901 9 34.9 1901 10 36.6 1901 11 43.3 1901 12 44.0 1902 1 45.7 1902 2 43.1 1902 3 42.2 1902 4 48.8 1902 5 40.7 1902 6 37.2 1902 7 32.3 1902 8 41.4 1902 9 29.8 1902 10 29.3 1902 11 22.9 1902 12 20.0 1903 1 18.9 1903 2 14.0 1903 3 10.6 1903 4 11.2 1903 5 11.2 1903 6 9.7 1903 7 12.4 1903 8 14.3 1903 9 14.8 1903 10 18.0 1903 11 20.5 1903 12 22.9 1904 1 25.5 1904 2 26.0 1904 3 29.0 1904 4 29.4 1904 5 26.1 1904 6 23.8 1904 7 21.0 1904 8 17.8 1904 9 18.6 1904 10 24.7 1904 11 30.1 1904 12 33.6 1905 1 28.8 1905 2 26.0 1905 3 26.1 1905 4 24.6 1905 5 17.3 1905 6 10.0 1905 7 9.0 1905 8 11.3 1905 9 10.7 1905 10 6.9 1905 11 9.9 1905 12 10.7 1906 1 8.2 1906 2 7.4 1906 3 4.5 1906 4 8.2 1906 5 3.6 1906 6 2.3 1906 7 1.5 1906 8 2.7 1906 9 1.5 1906 10 0.7 1906 11 1.6 1906 12 1.8 1907 1 4.1 1907 2 4.5 1907 3 11.2 1907 4 5.1 1907 5 2.5 1907 6 2.2 1907 7 2.6 1907 8 5.1 1907 9 1.4 1907 10 1.6 1907 11 1.1 1907 12 0.1 1908 1 0.9 1908 2 0.5 1908 3 1.1 1908 4 3.7 1908 5 1.6 1908 6 2.8 1908 7 1.9 1908 8 3.0 1908 9 8.6 1908 10 13.7 1908 11 18.2 1908 12 20.6 1909 1 22.6 1909 2 13.0 1909 3 15.0 1909 4 13.4 1909 5 14.4 1909 6 13.6 1909 7 14.6 1909 8 14.1 1909 9 15.4 1909 10 17.3 1909 11 17.3 1909 12 13.8 1910 1 13.9 1910 2 10.3 1910 3 28.7 1910 4 27.6 1910 5 24.7 1910 6 39.0 1910 7 43.4 1910 8 47.7 1910 9 41.3 1910 10 40.5 1910 11 37.4 1910 12 41.2 1911 1 36.4 1911 2 34.4 1911 3 43.7 1911 4 31.0 1911 5 37.0 1911 6 49.6 1911 7 43.6 1911 8 30.8 1911 9 29.4 1911 10 21.4 1911 11 16.9 1911 12 5.7 1912 1 7.5 1912 2 8.6 1912 3 2.7 1912 4 2.0 1912 5 1.8 1912 6 4.6 1912 7 4.1 1912 8 1.5 1912 9 3.0 1912 10 2.3 1912 11 4.4 1912 12 6.2 1913 1 5.1 1913 2 4.6 1913 3 3.8 1913 4 4.8 1913 5 5.1 1913 6 8.1 1913 7 12.6 1913 8 25.7 1913 9 18.5 1913 10 11.4 1913 11 14.1 1913 12 12.8 1914 1 15.9 1914 2 10.8 1914 3 12.4 1914 4 10.7 1914 5 18.1 1914 6 21.9 1914 7 25.1 1914 8 21.6 1914 9 20.6 1914 10 15.2 1914 11 22.6 1914 12 18.1 1915 1 14.5 1915 2 11.9 1915 3 17.8 1915 4 27.6 1915 5 12.9 1915 6 12.6 1915 7 7.1 1915 8 7.6 1915 9 6.2 1915 10 6.7 1915 11 3.4 1915 12 1.9 1916 1 3.1 1916 2 3.2 1916 3 10.5 1916 4 10.0 1916 5 7.9 1916 6 11.7 1916 7 5.3 1916 8 4.3 1916 9 7.5 1916 10 6.6 1916 11 10.9 1916 12 14.0 1917 1 15.5 1917 2 21.0 1917 3 20.7 1917 4 16.6 1917 5 14.4 1917 6 15.2 1917 7 18.8 1917 8 13.3 1917 9 14.0 1917 10 18.4 1917 11 25.0 1917 12 28.8 1918 1 26.0 1918 2 30.0 1918 3 38.0 1918 4 22.4 1918 5 24.1 1918 6 38.6 1918 7 39.9 1918 8 39.9 1918 9 33.8 1918 10 19.1 1918 11 9.8 1918 12 7.9 1919 1 8.2 1919 2 2.3 1919 3 3.4 1919 4 3.6 1919 5 8.0 1919 6 17.1 1919 7 20.9 1919 8 24.6 1919 9 23.4 1919 10 9.8 1919 11 8.6 1919 12 8.3 1920 1 16.8 1920 2 16.2 1920 3 8.6 1920 4 1.9 1920 5 4.9 1920 6 4.9 1920 7 4.3 1920 8 3.1 1920 9 0.8 1920 10 3.4 1920 11 4.6 1920 12 4.1 1921 1 4.9 1921 2 6.6 1921 3 8.1 1921 4 8.4 1921 5 9.0 1921 6 14.0 1921 7 16.0 1921 8 16.1 1921 9 14.4 1921 10 20.7 1921 11 23.3 1921 12 27.4 1922 1 22.2 1922 2 15.2 1922 3 6.8 1922 4 7.6 1922 5 5.9 1922 6 7.2 1922 7 9.6 1922 8 13.1 1922 9 18.9 1922 10 21.8 1922 11 22.3 1922 12 20.9 1923 1 17.5 1923 2 19.2 1923 3 15.7 1923 4 11.4 1923 5 10.1 1923 6 9.8 1923 7 9.9 1923 8 8.5 1923 9 7.3 1923 10 6.9 1923 11 10.2 1923 12 11.8 1924 1 14.2 1924 2 15.9 1924 3 15.6 1924 4 15.5 1924 5 20.3 1924 6 20.9 1924 7 21.5 1924 8 26.0 1924 9 25.3 1924 10 25.5 1924 11 31.0 1924 12 20.3 1925 1 21.2 1925 2 29.9 1925 3 40.8 1925 4 42.9 1925 5 54.0 1925 6 46.8 1925 7 40.6 1925 8 41.1 1925 9 36.9 1925 10 20.3 1925 11 17.9 1925 12 20.2 1926 1 13.5 1926 2 13.9 1926 3 19.0 1926 4 20.4 1926 5 28.2 1926 6 31.5 1926 7 33.5 1926 8 23.6 1926 9 20.2 1926 10 19.6 1926 11 11.2 1926 12 10.7 1927 1 12.4 1927 2 9.7 1927 3 12.7 1927 4 10.2 1927 5 13.7 1927 6 11.0 1927 7 10.2 1927 8 14.0 1927 9 15.7 1927 10 10.8 1927 11 15.1 1927 12 9.5 1928 1 17.8 1928 2 9.5 1928 3 12.6 1928 4 8.1 1928 5 13.2 1928 6 14.6 1928 7 18.0 1928 8 18.6 1928 9 18.7 1928 10 16.8 1928 11 16.3 1928 12 20.4 1929 1 17.7 1929 2 20.0 1929 3 20.4 1929 4 10.3 1929 5 16.5 1929 6 15.6 1929 7 13.9 1929 8 17.7 1929 9 13.9 1929 10 14.2 1929 11 20.6 1929 12 18.4 1930 1 13.1 1930 2 10.0 1930 3 15.3 1930 4 23.2 1930 5 15.3 1930 6 26.5 1930 7 43.1 1930 8 47.3 1930 9 44.4 1930 10 28.4 1930 11 28.9 1930 12 32.7 1931 1 37.2 1931 2 44.2 1931 3 43.3 1931 4 46.7 1931 5 49.7 1931 6 52.5 1931 7 51.2 1931 8 49.7 1931 9 54.9 1931 10 51.5 1931 11 45.0 1931 12 31.5 1932 1 21.0 1932 2 23.5 1932 3 14.4 1932 4 16.9 1932 5 16.8 1932 6 15.9 1932 7 20.2 1932 8 20.7 1932 9 23.0 1932 10 17.8 1932 11 16.5 1932 12 15.3 1933 1 14.7 1933 2 16.2 1933 3 14.0 1933 4 9.6 1933 5 5.2 1933 6 21.3 1933 7 27.7 1933 8 24.3 1933 9 30.4 1933 10 38.1 1933 11 47.9 1933 12 49.0 1934 1 50.0 1934 2 52.4 1934 3 56.0 1934 4 64.0 1934 5 73.4 1934 6 74.1 1934 7 79.9 1934 8 77.5 1934 9 70.2 1934 10 67.7 1934 11 58.8 1934 12 57.4 1935 1 47.4 1935 2 49.4 1935 3 45.8 1935 4 37.6 1935 5 24.0 1935 6 23.5 1935 7 23.5 1935 8 22.9 1935 9 26.0 1935 10 30.4 1935 11 27.7 1935 12 28.7 1936 1 19.6 1936 2 12.0 1936 3 15.8 1936 4 24.9 1936 5 30.6 1936 6 45.5 1936 7 52.3 1936 8 54.4 1936 9 46.9 1936 10 42.0 1936 11 50.0 1936 12 42.4 1937 1 31.1 1937 2 26.3 1937 3 25.1 1937 4 20.6 1937 5 20.8 1937 6 24.4 1937 7 24.2 1937 8 28.4 1937 9 32.6 1937 10 26.2 1937 11 27.5 1937 12 24.9 1938 1 25.1 1938 2 22.5 1938 3 22.1 1938 4 15.7 1938 5 8.2 1938 6 8.2 1938 7 7.1 1938 8 12.2 1938 9 12.7 1938 10 22.9 1938 11 22.1 1938 12 27.9 1939 1 22.0 1939 2 14.4 1939 3 20.3 1939 4 24.6 1939 5 28.3 1939 6 25.8 1939 7 31.9 1939 8 35.4 1939 9 42.5 1939 10 43.5 1939 11 57.6 1939 12 62.3 1940 1 57.7 1940 2 43.8 1940 3 44.2 1940 4 22.0 1940 5 30.4 1940 6 30.9 1940 7 39.4 1940 8 34.9 1940 9 28.1 1940 10 29.5 1940 11 20.2 1940 12 21.4 1941 1 19.2 1941 2 22.9 1941 3 25.7 1941 4 24.2 1941 5 31.9 1941 6 23.3 1941 7 19.3 1941 8 18.7 1941 9 16.9 1941 10 13.7 1941 11 15.9 1941 12 12.5 1942 1 14.9 1942 2 13.9 1942 3 9.2 1942 4 13.4 1942 5 10.7 1942 6 8.0 1942 7 7.0 1942 8 3.7 1942 9 3.7 1942 10 5.3 1942 11 7.6 1942 12 6.2 1943 1 6.4 1943 2 10.7 1943 3 6.1 1943 4 8.2 1943 5 10.1 1943 6 10.5 1943 7 12.7 1943 8 17.5 1943 9 17.3 1943 10 20.4 1943 11 26.9 1943 12 24.6 1944 1 28.4 1944 2 16.7 1944 3 13.8 1944 4 8.1 1944 5 11.9 1944 6 8.3 1944 7 13.2 1944 8 14.9 1944 9 12.9 1944 10 18.8 1944 11 16.2 1944 12 17.5 1945 1 20.7 1945 2 10.6 1945 3 10.0 1945 4 7.6 1945 5 5.0 1945 6 8.1 1945 7 5.5 1945 8 4.3 1945 9 4.3 1945 10 3.2 1945 11 4.8 1945 12 3.8 1946 1 1.9 1946 2 5.0 1946 3 7.0 1946 4 14.2 1946 5 13.5 1946 6 18.1 1946 7 19.2 1946 8 16.6 1946 9 11.5 1946 10 7.7 1946 11 5.5 1946 12 6.3 1947 1 4.9 1947 2 9.3 1947 3 13.8 1947 4 12.5 1947 5 13.3 1947 6 9.1 1947 7 11.6 1947 8 10.0 1947 9 17.3 1947 10 25.7 1947 11 18.4 1947 12 15.5 1948 1 18.3 1948 2 13.8 1948 3 8.4 1948 4 7.5 1948 5 9.1 1948 6 9.3 1948 7 14.9 1948 8 17.6 1948 9 20.3 1948 10 23.1 1948 11 21.9 1948 12 18.7 1949 1 5.9 1949 2 4.9 1949 3 4.9 1949 4 8.5 1949 5 7.7 1949 6 11.8 1949 7 12.4 1949 8 15.1 1949 9 14.2 1949 10 13.2 1949 11 19.0 1949 12 20.7 1950 1 11.1 1950 2 17.0 1950 3 18.1 1950 4 20.5 1950 5 23.9 1950 6 26.3 1950 7 9.4 1950 8 16.9 1950 9 14.2 1950 10 19.9 1950 11 20.1 1950 12 25.1 1951 1 25.9 1951 2 24.7 1951 3 23.5 1951 4 18.3 1951 5 20.3 1951 6 23.6 1951 7 26.5 1951 8 25.1 1951 9 24.9 1951 10 26.7 1951 11 21.0 1951 12 16.8 1952 1 16.6 1952 2 15.7 1952 3 14.3 1952 4 10.6 1952 5 12.6 1952 6 18.2 1952 7 25.7 1952 8 26.1 1952 9 34.0 1952 10 51.9 1952 11 48.0 1952 12 45.4 1953 1 37.2 1953 2 30.4 1953 3 29.5 1953 4 17.9 1953 5 16.7 1953 6 25.7 1953 7 27.0 1953 8 31.7 1953 9 43.0 1953 10 49.1 1953 11 50.4 1953 12 48.3 1954 1 43.2 1954 2 53.9 1954 3 46.4 1954 4 55.9 1954 5 46.3 1954 6 57.9 1954 7 60.4 1954 8 56.4 1954 9 56.9 1954 10 51.5 1954 11 57.2 1954 12 59.5 1955 1 58.4 1955 2 51.5 1955 3 55.2 1955 4 53.6 1955 5 47.5 1955 6 46.2 1955 7 38.2 1955 8 38.5 1955 9 42.0 1955 10 48.8 1955 11 47.9 1955 12 52.0 1956 1 50.8 1956 2 42.9 1956 3 45.6 1956 4 42.7 1956 5 44.7 1956 6 48.9 1956 7 44.1 1956 8 47.8 1956 9 51.8 1956 10 53.5 1956 11 54.6 1956 12 57.6 1957 1 50.1 1957 2 50.8 1957 3 52.6 1957 4 28.4 1957 5 13.8 1957 6 14.7 1957 7 17.7 1957 8 18.0 1957 9 16.3 1957 10 9.4 1957 11 6.9 1957 12 2.7 1958 1 1.5 1958 2 1.1 1958 3 3.9 1958 4 4.3 1958 5 10.0 1958 6 4.6 1958 7 5.5 1958 8 8.5 1958 9 10.1 1958 10 12.8 1958 11 9.8 1958 12 13.8 1959 1 17.1 1959 2 12.9 1959 3 22.4 1959 4 31.5 1959 5 26.8 1959 6 28.2 1959 7 31.0 1959 8 28.6 1959 9 18.5 1959 10 11.7 1959 11 13.5 1959 12 12.7 1960 1 12.5 1960 2 9.8 1960 3 12.7 1960 4 15.0 1960 5 14.1 1960 6 16.4 1960 7 22.8 1960 8 23.3 1960 9 26.5 1960 10 23.1 1960 11 21.6 1960 12 24.3 1961 1 33.7 1961 2 29.5 1961 3 24.0 1961 4 20.9 1961 5 24.0 1961 6 28.6 1961 7 29.3 1961 8 24.9 1961 9 14.4 1961 10 11.2 1961 11 11.9 1961 12 10.7 1962 1 11.3 1962 2 7.0 1962 3 7.8 1962 4 8.9 1962 5 11.2 1962 6 10.5 1962 7 9.9 1962 8 18.4 1962 9 12.3 1962 10 12.5 1962 11 16.2 1962 12 20.9 1963 1 27.2 1963 2 30.7 1963 3 29.2 1963 4 28.1 1963 5 35.4 1963 6 35.8 1963 7 37.3 1963 8 28.3 1963 9 31.4 1963 10 46.5 1963 11 41.6 1963 12 48.2 1964 1 46.1 1964 2 43.9 1964 3 35.7 1964 4 28.4 1964 5 32.1 1964 6 43.0 1964 7 42.5 1964 8 33.9 1964 9 27.8 1964 10 41.0 1964 11 35.2 1964 12 29.9 1965 1 27.2 1965 2 18.3 1965 3 17.4 1965 4 16.4 1965 5 18.1 1965 6 14.8 1965 7 18.2 1965 8 14.6 1965 9 10.4 1965 10 10.7 1965 11 14.8 1965 12 17.6 1966 1 13.0 1966 2 9.6 1966 3 16.3 1966 4 13.4 1966 5 29.2 1966 6 33.5 1966 7 34.6 1966 8 25.6 1966 9 23.9 1966 10 24.8 1966 11 22.2 1966 12 16.4 1967 1 23.1 1967 2 25.3 1967 3 35.4 1967 4 37.8 1967 5 24.5 1967 6 16.5 1967 7 10.2 1967 8 10.9 1967 9 8.4 1967 10 7.3 1967 11 14.4 1967 12 9.8 1968 1 7.5 1968 2 9.7 1968 3 16.6 1968 4 13.8 1968 5 9.9 1968 6 12.4 1968 7 12.5 1968 8 9.2 1968 9 12.1 1968 10 11.2 1968 11 5.5 1968 12 3.8 1969 1 4.2 1969 2 2.9 1969 3 3.5 1969 4 4.1 1969 5 5.9 1969 6 4.2 1969 7 1.6 1969 8 5.1 1969 9 7.6 1969 10 2.9 1969 11 5.8 1969 12 3.6 1970 1 2.2 1970 2 6.9 1970 3 3.6 1970 4 4.2 1970 5 7.3 1970 6 7.6 1970 7 8.0 1970 8 14.0 1970 9 10.2 1970 10 6.6 1970 11 6.4 1970 12 7.1 1971 1 12.6 1971 2 11.0 1971 3 19.5 1971 4 21.1 1971 5 19.1 1971 6 23.8 1971 7 21.0 1971 8 10.4 1971 9 7.2 1971 10 5.9 1971 11 7.9 1971 12 2.0 1972 1 2.4 1972 2 2.9 1972 3 16.0 1972 4 18.5 1972 5 23.6 1972 6 19.2 1972 7 20.5 1972 8 18.7 1972 9 14.4 1972 10 3.0 1972 11 0.3 1972 12 0.0 1973 1 0.2 1973 2 5.1 1973 3 5.9 1973 4 6.8 1973 5 8.2 1973 6 9.6 1973 7 11.3 1973 8 12.6 1973 9 6.9 1973 10 6.4 1973 11 3.3 1973 12 1.5 1974 1 1.1 1974 2 5.0 1974 3 9.0 1974 4 11.0 1974 5 15.8 1974 6 20.0 1974 7 19.8 1974 8 16.4 1974 9 16.9 1974 10 10.3 1974 11 13.7 1974 12 13.7 1975 1 8.1 1975 2 7.7 1975 3 3.3 1975 4 1.4 1975 5 1.9 1975 6 2.6 1975 7 3.5 1975 8 5.8 1975 9 3.3 1975 10 6.8 1975 11 3.9 1975 12 3.9 1976 1 10.2 1976 2 10.3 1976 3 12.5 1976 4 9.8 1976 5 12.4 1976 6 15.7 1976 7 19.4 1976 8 24.9 1976 9 16.8 1976 10 15.9 1976 11 23.7 1976 12 36.8 1977 1 40.3 1977 2 43.2 1977 3 38.1 1977 4 41.7 1977 5 43.0 1977 6 52.5 1977 7 52.0 1977 8 33.8 1977 9 26.9 1977 10 26.1 1977 11 22.8 1977 12 24.4 1978 1 13.2 1978 2 6.6 1978 3 9.4 1978 4 13.6 1978 5 7.5 1978 6 5.9 1978 7 11.2 1978 8 9.9 1978 9 10.5 1978 10 16.5 1978 11 12.2 1978 12 11.1 1979 1 4.7 1979 2 0.9 1979 3 2.3 1979 4 2.4 1979 5 2.9 1979 6 4.4 1979 7 5.5 1979 8 3.9 1979 9 6.7 1979 10 5.7 1979 11 6.5 1979 12 7.8 1980 1 4.4 1980 2 7.4 1980 3 3.8 1980 4 10.8 1980 5 12.4 1980 6 15.2 1980 7 25.5 1980 8 24.2 1980 9 20.6 1980 10 14.1 1980 11 19.6 1980 12 32.8 1981 1 44.9 1981 2 42.0 1981 3 34.5 1981 4 50.6 1981 5 33.1 1981 6 34.3 1981 7 30.6 1981 8 25.0 1981 9 26.0 1981 10 15.3 1981 11 19.2 1981 12 16.4 1982 1 10.7 1982 2 10.7 1982 3 10.2 1982 4 7.3 1982 5 7.1 1982 6 4.9 1982 7 5.0 1982 8 4.5 1982 9 4.2 1982 10 4.5 1982 11 2.3 1982 12 2.1 1983 1 1.5 1983 2 1.6 1983 3 1.2 1983 4 0.0 1983 5 0.0 1983 6 0.1 1983 7 0.0 1983 8 8.5 1983 9 17.4 1983 10 3.8 1983 11 1.5 1983 12 0.7 1984 1 0.9 1984 2 0.9 1984 3 2.7 1984 4 5.6 1984 5 6.8 1984 6 8.5 1984 7 8.1 1984 8 9.4 1984 9 10.1 1984 10 3.0 1984 11 3.1 1984 12 6.2 1985 1 8.2 1985 2 8.1 1985 3 12.4 1985 4 18.3 1985 5 21.5 1985 6 26.0 1985 7 24.3 1985 8 18.6 1985 9 5.5 1985 10 3.0 1985 11 0.6 1985 12 3.8 1986 1 3.1 1986 2 4.4 1986 3 8.2 1986 4 19.3 1986 5 16.9 1986 6 17.1 1986 7 20.1 1986 8 17.2 1986 9 16.4 1986 10 9.6 1986 11 6.2 1986 12 7.8 1987 1 10.7 1987 2 13.9 1987 3 12.4 1987 4 20.7 1987 5 23.0 1987 6 30.2 1987 7 23.2 1987 8 27.1 1987 9 27.7 1987 10 30.3 1987 11 27.3 1987 12 21.7 1988 1 19.7 1988 2 24.1 1988 3 28.5 1988 4 29.9 1988 5 38.0 1988 6 52.3 1988 7 49.4 1988 8 49.3 1988 9 43.2 1988 10 47.1 1988 11 34.8 1988 12 37.0 1989 1 39.1 1989 2 36.9 1989 3 28.2 1989 4 39.0 1989 5 40.4 1989 6 38.1 1989 7 40.7 1989 8 32.5 1989 9 27.9 1989 10 30.8 1989 11 37.8 1989 12 44.8 1990 1 40.2 1990 2 39.3 1990 3 33.7 1990 4 32.9 1990 5 27.1 1990 6 32.9 1990 7 27.0 1990 8 28.7 1990 9 32.0 1990 10 26.8 1990 11 28.9 1990 12 29.8 1991 1 26.9 1991 2 33.3 1991 3 24.3 1991 4 19.4 1991 5 13.6 1991 6 17.3 1991 7 22.2 1991 8 25.2 1991 9 18.4 1991 10 14.4 1991 11 11.7 1991 12 11.7 1992 1 16.3 1992 2 17.3 1992 3 19.5 1992 4 23.7 1992 5 28.6 1992 6 26.3 1992 7 14.9 1992 8 15.5 1992 9 17.8 1992 10 16.6 1992 11 16.0 1992 12 12.7 1993 1 9.4 1993 2 8.3 1993 3 8.2 1993 4 1.4 1993 5 2.3 1993 6 0.0 1993 7 3.0 1993 8 8.7 1993 9 7.1 1993 10 3.1 1993 11 5.5 1993 12 5.7 1994 1 9.5 1994 2 7.6 1994 3 14.9 1994 4 13.8 1994 5 12.9 1994 6 19.2 1994 7 26.9 1994 8 30.1 1994 9 31.7 1994 10 20.1 1994 11 8.8 1994 12 10.1 1995 1 5.3 1995 2 10.0 1995 3 8.0 1995 4 5.9 1995 5 3.8 1995 6 4.0 1995 7 5.3 1995 8 9.7 1995 9 8.9 1995 10 3.7 1995 11 5.7 1995 12 8.1 1996 1 10.8 1996 2 18.3 1996 3 19.3 1996 4 23.9 1996 5 26.0 1996 6 23.6 1996 7 20.3 1996 8 10.9 1996 9 9.8 1996 10 7.0 1996 11 6.1 1996 12 7.6 1997 1 6.1 1997 2 5.7 1997 3 5.3 1997 4 4.8 1997 5 6.4 1997 6 6.2 1997 7 6.3 1997 8 6.3 1997 9 3.5 1997 10 4.7 1997 11 4.1 1997 12 3.8 1998 1 1.8 1998 2 1.7 1998 3 2.4 1998 4 2.2 1998 5 2.7 1998 6 11.2 1998 7 16.0 1998 8 17.5 1998 9 14.1 1998 10 12.3 1998 11 15.7 1998 12 17.3 1999 1 6.7 1999 2 9.0 1999 3 17.2 1999 4 12.6 1999 5 17.3 1999 6 14.5 1999 7 13.8 1999 8 19.2 1999 9 14.5 1999 10 18.8 1999 11 32.3 1999 12 44.8 2000 1 43.4 2000 2 40.8 2000 3 42.8 2000 4 42.5 2000 5 43.9 2000 6 39.0 2000 7 41.7 2000 8 50.2 2000 9 50.8 2000 10 35.4 2000 11 19.6 2000 12 27.1 2001 1 27.9 2001 2 25.4 2001 3 22.6 2001 4 28.6 2001 5 30.2 2001 6 28.3 2001 7 28.0 2001 8 29.4 2001 9 29.7 2001 10 33.5 2001 11 33.8 2001 12 34.0 2002 1 36.7 2002 2 39.7 2002 3 39.9 2002 4 41.8 2002 5 45.5 2002 6 50.9 2002 7 50.8 2002 8 49.8 2002 9 46.1 2002 10 34.2 2002 11 35.4 2002 12 34.7 2003 1 36.2 2003 2 33.5 2003 3 29.6 2003 4 23.9 2003 5 22.2 2003 6 20.6 2003 7 29.9 2003 8 37.2 2003 9 37.3 2003 10 39.8 2003 11 35.1 2003 12 31.1 2004 1 28.3