1901,7.7,5.6,8.5,11.4,13.4,15.9,17,18.4,16.2,12.8,8.8,7
1902,7.5,6.9,9.8,11.3,12,14.6,17.1,17.3,16.2,13.1,11.6,8.3
1903,7.4,8.2,9.5,11.9,12.5,15.4,17.8,18.5,15.8,14.1,10.9,7.6
1904,7.9,8.6,8.2,11.2,13.6,15.8,16.9,18,15.6,15.1,10.7,10
1905,6.8,6.6,10.4,12.1,13.3,15,17.7,17.4,15.8,13.1,10,8
1906,8.3,7.3,8.7,10.3,13,16.7,17.6,18.6,17.2,14.4,10.2,7.3
1907,6,6.6,9.3,11.1,12.5,15.7,16.4,18.3,17.7,13.2,11,10.4
1908,8.6,7.6,8.3,10,14.1,15.5,16.9,17.8,16.6,15,12.2,9.8
1909,7.2,6.9,9.2,12,14.4,14,17.3,17.7,15.5,14.5,11.3,10.4
1910,7.5,9.3,7.9,10.6,11.5,15,16.7,17.1,17.1,14.2,11.2,9.6
1911,4.7,7.3,8.7,9.2,12.3,14.3,18.4,17.9,18.5,13.6,10.5,10.1
1912,8.2,10.2,10.6,10.8,14.1,13.7,14.9,16.9,16.8,13.5,10.1,6.9
1913,9.8,7.7,9.4,10.1,13,15.9,16.8,17.2,15.8,13.8,11.4,7.4
1914,6.6,8.8,9.5,11.1,13,14.5,16,17.1,17.6,14,10.7,9.6
1915,7.9,8.4,10.2,9,13.6,16.2,17.5,18,17,13.4,11.2,10.5
1916,7.7,8.2,8.7,10.2,13.3,15,16.6,17.9,16.9,14.5,11.2,9.6
1917,7.4,7.6,8.2,10,13.5,15.4,17.6,16.5,16.8,12.7,9.9,5.4
1918,9.2,8.4,9.3,9.7,13.3,16.7,17.6,18.7,16.4,11.8,10.9,11.2
1919,8.2,10.8,9.5,10.1,12.9,16.8,16.8,19,17.4,13.2,9.8,8.2
1920,8.4,8.7,9.2,12.1,14.5,16.5,16.3,17.4,17,13.9,11,9
1921,8.3,7.8,8.9,10.6,12.6,15.3,18.2,17.7,16.5,16,11.3,7.5
1922,8.3,8.4,8.3,10.5,14.6,15.7,16.5,18.1,16.2,14.8,11,7.3
1923,6.2,9.2,9.9,9.5,12.3,16.1,17.7,18.3,16.4,15.2,10.3,6.9
1924,8.3,5.8,10.5,11.5,13.9,16.4,17.2,17.2,16.1,14.2,10.6,9.3
1925,8,8.4,7.2,10.1,12.3,16,16.5,18,16.5,14.9,10,11
1926,9.2,10.5,10.7,11.2,12,15.3,18.2,19.6,19.4,15.8,11.3,7.3
1927,8.6,8.2,13,11.1,14.4,16.6,16.4,17.5,15.5,14.5,10.1,9.5
1928,7.7,8.7,9.7,10.3,11.5,15.5,19.1,17.8,17.3,14.2,9.7,6.8
1929,7.3,8.7,9.8,11.6,11.7,16.2,17.1,17.8,17.4,14.4,11.3,10.3
1930,8.5,6.1,9.6,9.8,12.7,14.7,17.3,18.9,17,15.1,12.1,9.6
1931,7.9,7.9,11.1,11.3,12.4,15.9,16.3,17,15.9,13.9,11.5,6
1932,7,5.8,9.7,9.5,12.1,14.9,16.3,18.3,17,13.5,11.2,8.9
1933,6.9,6.5,9.7,11.4,14.7,14.9,17.6,18.6,15.6,13.7,8.9,5.4
1934,6.3,4.8,7.7,9.1,12.7,14.8,16.6,15.9,15.7,14,7.7,10.4
1935,5.2,6.2,9,9.7,10.8,14,16.6,16.9,15.4,12.2,10,9.5
1936,10.4,9.7,9.4,10.9,10.9,13.2,15.5,17.4,16.1,12.5,9.4,6.2
1937,7.9,9.1,8.9,11.4,12.2,14.3,17,16.9,15.8,13.9,12.7,7.9
1938,7.3,7.1,9.8,11.7,12.8,15.8,16.2,17,15,14.2,12.5,8.4
1939,10.1,8.2,8.6,10.7,13,14.8,16.7,16.1,16.7,13.9,10.6,9.4
1940,9.1,9.8,11.4,11.9,12.7,15.3,16.1,18.8,16.5,13.1,10.4,6.3
1941,7,8.6,9.3,10.8,11.4,15.8,17.5,17.3,17.3,14.1,9.3,5.8
1942,7.2,5.1,10.5,10.5,12.9,15.5,16.9,16.6,16.2,14.4,10.5,8.9
1943,9.5,7.5,9.4,12.4,13.7,16.1,16.9,17.8,14.9,13,8.7,7.5
1944,5.9,5.4,8.3,12.3,13.9,16.8,16.7,17.6,16.3,11.9,9.8,6.9
1945,4.6,7.3,9.1,13.2,12.8,16.6,16,16.1,15.4,14.9,12.8,9.2
1946,6.6,7.8,8.5,11,11.4,14.5,17.6,16.3,15.1,13.9,10.9,7.2
1947,6.5,8.6,10.3,11.6,11.5,14.7,16.2,17.9,16.2,14.7,11.3,7.1
1948,9,8.1,10.8,10.4,12.3,16,16.1,17.2,16.4,14.2,11.3,9.9
1949,7.1,7.7,9.4,12.4,12.1,15.8,17.9,19.1,16.9,14.5,11.2,8.4
1950,6.9,7.8,9.3,10.6,12.5,15.5,17.5,16.5,15.3,13.2,11.6,7.3
1951,7.6,7.6,9.4,10.7,11.3,15.5,17.1,17,16.7,13.2,10.6,9.2
1952,6.2,7.7,10.7,10.8,13.6,16.6,17,17.2,14.7,13.6,10.8,8.3
1953,7,6.9,8.9,11,14.6,14.7,16.8,18.9,17.7,13.5,12,10
1954,6.1,6.3,9,10.6,12.8,14.4,16.5,16.6,15.9,15.5,12.9,8.2
1955,11.3,8.6,9.1,12.5,14.2,16,16.7,17.8,17.4,14.7,11.9,10
1956,8.4,5.8,8.2,10.9,13.8,15.8,16.5,16.6,14.9,14.5,8.5,5.6
1957,5.2,8.5,10.6,10.1,12.2,14.8,18.1,18,17.3,13.1,10,6.1
1958,8.3,9.9,9.5,10.3,13.3,15.1,16.4,17,16.8,14.4,10.3,9.5
1959,9.7,7.3,9.7,11.2,12.9,15.7,17.5,18.1,16.7,14.2,10.5,8.9
1960,8.2,9.1,9.8,11.8,13.6,16.6,17.3,16.8,16.1,12.8,11.6,7.8
1961,7.1,9.3,10.6,11.1,14.9,16.4,17.8,19.1,16.5,13.4,10.3,9.9
1962,7.9,6.6,9.7,11,12.7,16.6,16.4,18.1,17.3,15.9,8.7,6.7
1963,8.4,6.8,9,11,13.2,15.2,17.4,16.5,15.5,14.4,11.7,7.8
1964,7.6,8.6,9.1,10,14.3,16.4,17.3,18.2,18.7,13.4,9.9,5.6
1965,7.2,6.2,9.6,11.4,14,16.1,15.6,17.7,14.9,14.6,10.1,8.4
1966,10.6,9.5,8.8,11.4,13.5,15.5,16.9,16.9,17.5,13.1,8,6.9
1967,6.3,8.1,10.1,10.1,11.5,15.6,16.1,16.8,15.8,14.1,10.3,6.4
1968,6.7,8.2,8.5,10,12.6,15.2,17.3,17.4,15.9,15.4,11.2,8.2
1969,8.7,7.2,9.4,9.9,12,15,18.2,18.3,14.9,14.8,9.3,6.8
1970,9.5,7.5,7.8,10.4,13.4,15.2,17.2,16.9,17,13.9,11.9,4.8
1971,7.4,8.3,7.8,10.2,11.6,13.9,17.9,16.4,16.6,15.8,9.1,7.9
1972,7.1,7.9,8.3,10.9,11.3,13,16.8,17.2,15.2,13.2,11.4,8.4
1973,7.1,7.5,8.8,10.5,13.3,16,16.6,18.1,16.5,14.1,11.5,6.7
1974,9.5,7.8,8.6,9.6,12.9,15.6,19,17.5,15.1,11.6,10.4,7.9
1975,8.3,9.8,8.3,10.2,12.5,14.7,17.2,18.4,15.8,14.4,10.9,6.8
1976,6.4,8.8,9.2,10,12.8,17.5,18.2,18.8,15.7,13,8.7,9.8
1977,8.4,9.2,9.8,11.4,12,13.3,15.9,16.3,17.7,14.2,10.6,10.6
1978,8.4,9.5,8.7,9.9,12.3,13.9,17,17.3,18.9,14.1,11.4,11
1979,9.3,9.4,8.3,10.3,12.5,16.1,18.1,17.3,16.3,13.3,9.9,8.8
1980,8.1,8.9,9.5,12.1,12.8,15,16.4,18.6,17.6,14.2,10.4,6.6
1981,7.2,6.9,10.5,10.3,12,17.6,18.6,17.8,16.8,15.1,12.8,10.4
1982,9,9,9.8,12,13.4,15.4,16.6,18.1,17.7,12.9,10.5,7.4
1983,7.2,7.1,10.4,10.2,11.6,16.4,16.6,17.9,17.5,15.1,13.8,9
1984,7.3,6.8,8.2,13.1,11,15.3,17.1,18,16,13.3,10.9,9.3
1985,6.2,10.6,9.1,11.8,14.1,15.9,17.9,17.9,18.8,15.8,11,8.8
1986,7.8,8.3,8.9,8.7,13.9,15.5,18.1,17.1,18.3,15.9,11.1,8.1
1987,7.8,8.2,11.2,12.3,13.9,16.4,18.5,19,19.7,13.8,11.2,10.7
1988,9.3,8.1,9.5,11.3,12.7,15.9,17.6,18.3,18.2,15,12.8,7.7
1989,7.4,9.1,10.6,10.1,14,16.7,19.6,19.5,15,16.2,12.5,11.9
1990,8.1,10,11.2,11.1,15,16.1,19.4,18.8,17.6,14.8,10,8.2
1991,7.2,7,10,10.5,14.4,16.5,18.8,19.9,18.4,13,11,8.4
1992,6.1,7.5,10.6,11.7,15.2,14.7,18.4,19.4,16.3,13.4,11.7,9.8
1993,6.9,8.8,9.8,10.7,12.8,16.7,18.7,18.1,15.7,12.7,10.8,9.3
1994,8.1,7.9,11.3,11.3,13.6,17.4,18.1,18.7,16.6,15.7,12.2,10
1995,9.1,9.5,10.2,11.7,14.7,15.7,18.4,18.9,16,15.3,13.2,10.9
1996,10.2,7.4,10,11.8,13.2,17.6,18.1,17.6,16.2,13.3,10.9,9.6
1997,8.4,8,11.4,14,13.8,15.5,18.2,18.1,17.4,16.1,12.6,10
1998,9.1,10.3,11,10.5,13.5,16.1,17.5,19,17.3,13.6,11.2,6.7
1999,7.2,7,10.3,11.9,14.3,16.1,17.8,18.1,17.1,15,9.6,9.1
2000,5.9,9.5,10.8,10.6,14.1,17,17.9,18.4,16.8,13.7,11,10.6
2001,9.8,9.4,12,12,13.8,17,17.4,18.3,16.9,15.6,10,7.4
2002,9.4,9.1,10.8,11.4,13.2,15.7,17.3,17.5,16.4,15.4,11.4,10.8
2003,8.1,8.3,10.7,11.6,14.8,17.5,17.7,20,18,14.6,11.5,8.4
2004,9.4,8.4,9.3,11.1,13.4,18.1,18.6,18.9,16,14.3,10.1,8.1
2005,4.7,5.5,9.7,11.9,14.4,17.9,17.2,19.2,16.6,15.2,10.1,8.5
2006,6.7,7,10.2,12.6,14.8,17.1,19.1,19.4,18.2,16.7,14.3,8.1
2007,7.7,10.3,10.2,12.1,14.2,16.1,18,18.1,17.3,14.7,10.5,8.1
2008,10.1,10.3,10.5,13,13.6,18.2,18,17.8,17.3,14.1,9.8,8.3
2009,8.2,8.6,11.7,11,14.5,18,17.9,19.1,17.5,16.6,13.2,9.4
