1866 7.2 6.3 8.3 9.7 10.7 13.1 13.1 13.0 11.8 10.6 8.7 7.8 1867 7.4 6.4 8.7 9.7 10.7 12.4 12.8 12.4 11.3 9.6 10.5 7.9 1868 6.0 6.9 8.4 10.2 12.4 13.7 13.4 13.5 12.5 11.3 10.5 7.7 1869 7.7 7.4 9.7 6.8 9.3 11.0 12.5 11.3 11.5 9.1 7.8 6.1 1870 3.9 5.2 8.9 10.0 11.8 13.3 12.7 11.6 11.7 11.0 9.4 8.9 1871 6.9 7.1 9.5 9.6 11.2 12.4 13.0 12.7 11.6 10.1 8.2 7.2 1872 3.2 5.0 5.6 11.7 10.1 10.0 10.9 11.5 9.9 9.0 7.2 4.6 1873 3.7 7.3 8.5 10.1 13.1 16.7 15.3 13.6 15.0 11.0 8.9 5.0 1874 5.9 8.2 9.4 9.4 10.2 13.4 13.2 12.9 10.8 8.6 8.7 4.9 1875 6.0 6.4 9.6 9.4 10.6 11.0 12.8 12.9 10.5 7.6 9.0 6.8 1876 4.8 5.3 6.4 8.2 10.9 12.1 14.3 12.8 11.6 11.0 8.6 8.8 1877 6.8 7.7 7.4 10.9 11.1 14.9 14.8 13.9 13.8 12.6 10.3 8.7 1878 6.8 9.3 8.3 9.7 10.6 12.4 11.7 13.1 10.2 9.2 8.2 5.1 1879 5.1 5.3 7.0 9.3 10.6 11.9 11.7 11.6 11.1 9.9 7.7 6.8 1880 4.3 6.8 6.7 10.0 10.3 12.4 14.1 13.0 12.5 11.6 9.8 8.2 1881 6.9 7.3 9.2 11.3 10.9 12.5 14.3 14.1 13.1 12.7 7.8 6.5 1882 6.4 6.3 7.5 8.5 9.4 12.3 13.1 13.2 11.8 9.4 9.5 5.8 1883 7.3 6.6 9.2 8.4 10.5 12.4 13.0 11.7 11.9 10.2 7.2 6.9 1884 7.3 7.6 7.5 11.0 11.2 12.4 13.2 12.6 12.0 10.9 9.0 7.4 1885 7.3 6.4 8.4 10.5 12.7 13.4 14.1 13.2 13.1 12.6 11.1 7.0 1886 7.9 5.8 8.4 9.3 10.3 12.3 11.7 11.1 10.7 9.7 8.1 4.4 1887 5.6 4.8 7.1 8.6 10.8 12.5 13.6 12.6 12.1 11.0 9.4 8.0 1888 5.5 6.9 9.7 10.4 11.2 13.1 13.7 13.4 12.6 12.0 9.9 8.8 1889 9.0 8.4 10.2 10.1 11.1 11.1 12.8 13.0 10.9 10.2 5.8 4.4 1890 4.1 6.3 6.8 8.6 10.8 11.3 12.6 12.2 10.6 9.7 9.2 7.5 1891 5.3 6.8 9.2 10.0 12.2 13.1 14.2 14.7 13.7 11.4 10.1 8.9 1892 6.5 8.1 5.9 9.8 11.7 11.9 13.0 12.2 11.2 9.2 8.0 7.2 1893 5.7 5.6 8.8 9.1 11.1 11.8 12.2 13.0 11.6 9.6 8.6 7.8 1894 3.5 6.1 7.5 9.4 11.7 12.7 13.8 12.4 12.0 10.8 9.0 7.7 1895 5.5 7.1 8.4 10.0 12.2 12.8 12.9 12.6 11.7 10.8 10.8 7.7 1896 6.2 6.2 7.8 9.2 13.7 13.3 13.5 14.8 13.6 12.9 10.1 9.6 1897 7.6 7.3 9.8 10.8 12.7 12.6 13.7 13.0 11.7 10.7 9.1 5.7 1898 6.1 5.2 4.0 9.2 11.5 12.1 13.1 12.5 10.7 9.6 6.9 6.2 1899 5.5 7.3 6.2 9.3 11.4 13.0 13.5 12.8 12.5 11.8 9.8 8.1 1900 7.7 8.1 9.9 10.8 11.5 12.0 12.1 11.2 11.4 10.6 9.1 8.4 1901 6.5 6.8 7.4 9.8 11.5 12.2 13.2 13.1 12.8 10.5 9.9 7.4 1902 5.8 8.1 8.1 10.3 12.8 13.1 14.0 13.4 13.4 12.2 10.9 8.4 1903 8.1 8.6 5.9 9.0 11.0 12.8 11.6 12.8 11.2 10.0 8.4 5.4 1904 5.9 5.5 7.1 7.6 10.8 13.3 13.3 13.2 12.0 9.9 10.1 7.9 1905 7.7 7.9 10.7 10.7 11.1 12.7 13.7 13.6 11.8 10.3 10.8 8.6 1906 6.5 7.2 8.6 10.0 11.1 12.1 12.0 12.5 10.5 9.8 7.2 6.8 1907 5.0 6.2 8.0 9.8 11.4 11.6 12.4 12.8 12.1 10.6 8.7 5.9 1908 7.7 5.6 7.3 8.1 11.2 12.9 13.0 12.4 11.7 10.2 8.4 6.9 1909 5.6 7.6 5.8 9.7 10.5 11.6 12.1 11.9 11.2 9.6 8.3 6.7 1910 4.4 5.0 6.8 8.2 11.1 11.1 11.8 11.8 10.6 10.6 7.1 5.7 1911 5.5 5.6 7.8 8.6 11.8 14.0 13.5 13.4 12.1 12.0 9.9 7.6 1912 7.6 9.0 8.1 11.7 12.4 12.4 12.0 13.3 11.2 11.0 8.8 8.6 1913 6.0 7.0 6.9 9.6 12.4 13.3 13.9 13.0 13.3 11.9 10.1 8.1 1914 8.5 8.5 7.5 10.3 11.1 13.4 14.4 14.7 13.4 13.4 10.7 8.6 1915 8.6 7.7 10.6 11.3 11.7 11.7 12.0 12.6 10.5 9.9 8.5 5.4 1916 5.2 5.9 7.6 9.8 9.9 10.4 11.2 12.3 10.8 9.0 7.7 4.2 1917 6.1 7.3 5.8 8.5 10.5 11.1 11.0 10.9 10.4 9.7 7.4 5.1 1918 5.5 5.4 8.9 9.0 10.7 12.4 14.0 13.5 14.1 11.2 9.2 8.0 1919 7.2 8.8 8.5 9.4 10.9 12.9 13.2 13.7 12.3 11.2 9.8 8.1 1920 5.1 6.9 8.9 8.9 10.8 10.2 11.2 12.0 11.0 10.2 8.4 5.5 1921 4.9 6.5 6.7 10.0 10.0 10.6 12.1 13.1 12.0 10.4 8.9 6.2 1922 5.5 5.1 6.8 9.4 10.6 11.6 12.6 12.9 11.5 10.6 8.7 6.2 1923 5.1 6.5 6.4 8.1 10.2 11.6 13.9 14.6 12.4 11.4 9.5 7.0 1924 7.4 6.8 7.3 9.4 10.5 12.3 13.2 12.8 12.0 9.5 8.0 5.8 1925 5.4 3.9 5.2 7.9 10.5 12.1 13.9 12.8 12.8 11.6 10.3 8.3 1926 6.5 8.5 9.4 10.2 11.1 12.8 12.9 12.9 11.4 9.8 9.5 6.5 1927 5.1 6.9 6.8 8.6 10.7 11.8 12.4 13.3 12.4 11.2 9.5 7.1 1928 8.3 5.8 6.5 9.0 11.9 12.8 12.7 13.2 11.7 9.3 9.6 6.3 1929 3.1 4.3 7.4 9.5 11.9 13.4 13.7 13.2 12.5 10.8 8.0 6.3 1930 4.8 6.6 8.2 10.0 12.0 12.9 13.5 13.6 13.2 11.7 10.8 7.9 1931 6.3 8.3 8.6 9.4 11.4 12.7 13.2 12.5 11.2 11.4 8.9 6.8 1932 5.3 7.4 7.9 10.2 11.0 12.5 13.5 13.5 11.7 10.2 9.0 6.4 1933 6.8 5.5 6.7 9.5 11.2 12.5 13.0 13.3 11.7 9.8 8.1 6.4 1934 5.9 7.3 7.0 8.8 11.4 11.7 12.5 13.6 12.2 10.9 8.6 7.4 1935 5.4 7.4 6.0 9.4 12.0 12.8 12.7 13.5 10.8 9.7 9.2 8.1 1936 6.7 6.9 7.6 9.1 10.1 12.6 12.5 12.1 11.6 10.7 9.4 6.8 1937 5.2 7.8 6.0 9.2 12.0 12.2 13.4 12.6 12.5 10.9 8.3 6.5 1938 5.2 5.6 8.0 9.0 9.8 11.4 11.8 11.7 11.7 10.7 7.8 6.8 1939 4.8 5.9 6.5 9.1 11.2 12.4 12.8 11.6 13.3 11.6 9.2 9.2 1940 5.7 6.5 8.7 10.7 12.2 14.0 14.3 14.1 14.1 13.8 9.6 9.9 1941 7.8 9.7 8.7 10.6 11.2 13.7 15.4 14.5 12.7 11.9 9.2 8.8 1942 8.5 6.3 8.6 10.3 9.8 11.8 13.2 12.1 11.1 9.5 8.3 6.7 1943 6.3 4.9 7.4 8.8 10.8 13.1 12.6 12.0 11.1 9.7 8.4 7.7 1944 7.2 6.7 7.6 10.2 11.6 13.1 14.0 13.5 12.4 11.3 9.0 6.3 1945 6.5 6.4 5.8 10.3 11.3 11.8 13.4 12.2 11.9 11.1 9.3 7.2 1946 6.3 5.5 8.6 10.4 11.6 13.2 13.8 13.4 12.7 11.8 9.2 7.3 1947 7.5 6.3 7.0 9.6 12.4 12.6 13.2 11.6 11.5 10.6 8.2 6.7 1948 7.3 6.5 7.6 9.0 10.8 12.7 12.3 12.2 12.2 10.4 7.6 7.7 1949 7.3 5.6 6.2 10.1 11.1 13.5 13.0 13.4 11.8 9.8 9.0 5.2 1950 4.7 4.3 6.5 7.7 9.9 10.7 12.1 12.0 11.7 9.5 6.5 4.4 1951 5.3 5.1 7.0 9.4 11.9 11.2 13.3 13.2 12.5 11.4 9.5 8.9 1952 6.7 7.1 8.3 10.3 10.3 12.5 13.0 12.6 12.1 9.9 7.7 8.4 1953 6.9 7.3 8.0 8.9 13.1 12.5 13.9 13.0 13.2 10.8 9.4 8.1 1954 4.9 7.3 7.7 7.7 10.1 12.3 12.4 11.8 11.9 10.7 9.1 6.5 1955 8.3 3.7 6.7 8.9 9.4 10.9 11.7 11.4 10.9 9.3 7.6 7.6 1956 4.8 4.7 6.9 8.3 9.1 11.3 11.2 11.5 11.4 9.7 8.7 5.6 1957 6.5 6.4 7.8 9.5 12.3 12.5 12.9 13.3 13.1 11.5 9.8 7.7 1958 8.5 7.1 8.1 8.9 10.9 11.6 12.4 11.6 11.5 9.6 9.1 8.3 1959 6.1 8.7 6.9 8.9 10.4 12.8 13.5 13.1 11.9 10.5 7.7 6.1 1960 6.5 6.7 7.1 8.5 10.0 12.5 12.5 12.5 10.5 10.7 8.7 7.2 1961 7.2 6.4 9.6 9.2 11.1 12.8 13.1 13.2 12.1 10.4 9.2 6.7 1962 5.1 7.4 8.4 9.8 10.1 11.5 12.3 13.3 11.1 9.7 8.1 7.3 1963 5.9 8.0 6.7 8.5 10.3 13.3 13.5 12.4 12.7 12.4 10.3 9.0 1964 7.3 7.1 7.0 9.1 10.5 11.8 12.0 12.1 10.4 9.5 7.8 7.6 1965 6.3 5.7 6.9 11.2 11.2 14.0 15.5 13.7 13.3 12.4 10.4 6.6 1966 7.5 6.7 8.6 9.9 12.3 13.3 12.9 12.6 12.1 11.3 8.9 7.6 1967 5.0 5.6 7.2 10.7 11.0 12.5 12.8 12.8 12.7 10.8 8.9 7.8 1968 4.1 5.1 8.2 9.7 9.5 12.2 12.7 12.7 12.2 11.0 9.8 7.3 1969 5.8 6.3 8.3 10.9 11.0 12.7 13.5 13.4 11.8 11.5 9.1 6.9 1970 8.2 7.2 7.2 10.0 10.6 11.8 13.8 12.0 10.1 8.7 7.5 5.2 1971 5.8 4.5 6.0 8.0 10.4 13.0 12.5 11.7 10.8 9.5 8.3 5.8 1972 5.8 5.1 6.7 10.6 13.7 12.8 13.8 13.8 13.7 12.6 9.8 9.6 1973 7.3 8.3 7.0 9.0 10.8 11.0 12.4 11.5 11.4 10.0 5.7 6.6 1974 4.0 4.4 5.5 8.8 11.0 12.4 12.6 12.1 11.0 9.6 7.7 6.1 1975 6.4 6.9 6.6 7.8 10.4 11.4 11.7 11.3 10.4 8.9 8.0 5.5 1976 5.1 5.4 5.6 9.9 12.0 12.6 14.0 14.1 12.9 9.9 7.8 6.5 1977 5.9 5.6 8.1 9.3 11.3 13.5 13.6 13.6 12.9 12.3 10.0 8.1 1978 8.2 8.9 9.5 10.1 9.3 11.1 11.3 11.9 11.6 10.7 9.1 7.4 1979 6.0 6.9 7.9 9.7 11.2 12.6 11.1 13.3 11.7 11.0 9.1 8.5 1980 5.9 6.3 7.2 9.7 11.3 12.5 13.2 13.4 12.7 10.7 9.1 7.3 1981 5.1 6.2 9.9 9.9 10.5 11.5 11.8 12.4 11.5 11.1 8.4 7.5 1982 6.3 7.0 7.5 10.1 11.9 13.9 14.5 14.7 14.0 12.5 11.1 9.3 1983 9.8 10.3 10.1 10.1 11.7 13.3 14.4 14.1 12.1 10.5 9.7 8.5 1984 7.1 5.3 8.1 10.1 11.1 13.2 13.2 12.2 11.8 11.3 9.3 5.1 1985 7.5 5.4 6.1 7.5 9.4 12.6 13.6 12.4 11.5 10.7 8.4 7.6 1986 4.7 6.9 8.4 9.3 11.6 11.0 12.8 12.0 12.2 10.9 9.3 9.7 1987 7.1 7.4 10.7 11.5 12.6 13.1 14.7 14.3 13.5 11.2 8.9 7.8 1988 7.8 6.7 6.8 10.1 10.8 13.9 12.8 12.5 10.6 9.1 7.4 6.5 1989 5.4 6.8 7.3 7.6 10.1 12.8 12.1 13.3 11.7 9.9 8.7 8.9 1990 6.9 10.0 8.3 9.7 10.3 12.4 12.8 13.5 13.3 10.9 9.1 7.7 1991 6.3 6.5 9.5 9.9 12.6 13.3 13.4 14.0 13.3 11.1 10.1 8.5 1992 10.1 7.7 10.5 11.0 11.1 12.5 14.9 12.8 11.2 11.2 9.5 7.3 1993 6.8 6.4 10.1 11.4 12.4 13.9 13.5 15.1 13.4 12.0 9.0 7.0 1994 6.7 6.5 9.4 10.8 12.0 12.9 14.1 14.9 13.5 11.9 9.8 9.3 1995 7.0 7.8 7.2 9.6 11.6 13.0 12.7 13.2 12.0 10.2 8.8 7.5 1996 5.7 6.2 7.4 9.0 12.2 12.4 12.5 12.4 10.3 9.7 8.4 5.6 1997 7.3 4.8 8.6 11.9 11.9 14.7 14.3 15.1 14.7 13.4 11.4 8.6 1998 7.8 10.2 10.0 11.1 11.5 12.1 12.6 12.7 11.6 9.6 7.3 5.9 1999 4.9 6.2 6.3 8.7 12.1 13.1 13.2 14.0 12.4 10.3 8.0 6.6 2000 6.7 6.6 7.4 8.6 11.7 13.5 13.1 12.2 12.0 9.1 6.5 4.9 2001 7.2 3.5 7.9 9.4 12.2 12.2 13.4 13.3 11.8 9.9 8.4 7.7 2002 7.2 6.6 9.1 10.0 12.1 13.1 14.6 13.7 13.0 10.5 9.8 9.1 2003 6.9 6.6 8.5 10.5 11.5 13.0 13.4 13.0 12.1 10.3 9.3 6.2 2004 7.6 6.2 6.8 10.6 10.6 14.5 13.9 13.5 13.1 11.1 9.2 7.3 2005 6.3 9.0 8.5 11.1 12.3 12.1 13.2 13.5 11.9 9.9 8.3 7.7 2006 4.7 7.4 6.2 7.7 12.1 13.5 14.4 14.6 13.3 12.9 9.8 8.7 2007 6.7 7.1 7.7 10.6 11.8 11.5 14.2 13.4 11.5 10.0 7.6 6.0 2008 4.9 4.7 8.4 9.9 12.2 13.1 13.4 13.5 11.7 11.0 8.1 6.5 2009 6.0 5.2 8.5 9.3 10.6 12.7 13.1 12.9 11.3 11.4 8.9 7.9 2010 5.9 7.8 8.9 9.6 10.2 13.2 12.4 12.2 10.8 9.3 8.5 4.9 2011 5.1 5.0 6.3 8.9 12.0 13.5 13.2 13.6 12.6 10.3 8.6 5.0 2012 6.0 7.2 6.3 10.7 11.3 13.3 12.8 14.0 12.2 10.8 9.3 7.7 2013 5.8 7.2 7.2 9.7 10.8 11.2 12.5 13.1 11.6 10.7 7.7 7.7 2014 5.0 6.0 9.1 8.9 11.7 12.5 13.9 14.5 13.1 11.6 9.9 7.5 2015 6.5 7.8 8.9 10.5 13.1 13.3 15.0 14.8 13.9 13.8 9.5 7.0 2016 10.2 8.6 9.2 10.8 10.9 12.2 13.1 12.4 11.0 10.4 8.8 6.7 2017 6.0 7.1 7.4 9.7 11.7 13.5 13.2 13.0 12.3 9.4 7.4 7.3 2018 4.8 7.0 6.1 9.5 12.2 13.7 12.8 13.1 12.3 11.0 9.4 6.2 2019 6.8 9.0 8.4 10.1 12.3 13.8 14.2 14.3 14.5 11.4 9.7 8.4 2020 7.2 7.4 9.1 10.5 12.4 12.9 12.7 12.5 11.6 10.0 9.0 6.5 2021 5.6 5.0 8.1 9.7 11.3 13.1 12.3 13.3 12.0 9.7 8.3 6.5 2022 6.5 6.9 7.5 -99.9 -99.9 -99.9 -99.9 -99.9 -99.9 -99.9 -99.9 -99.9