1901,8.1,6.1,7.8,11.4,15.5,15.7,18.5,17.6,16,12.6,9.3,7.9
1902,9.1,6.9,9.9,11.1,12.3,15.8,16.9,17.4,16.3,13.2,10.7,8.5
1903,8,9.9,9.3,10.4,13.4,16.2,17.4,16.5,16,12.4,10,7.1
1904,8,7.1,8,11.1,13.3,16.1,17.6,16.8,15.6,13.4,9.7,9.3
1905,8.8,8.5,9.5,11.1,14.3,17.3,18.6,16.5,14.9,11.2,8.2,9.8
1906,8.9,7.7,9.5,10.9,12.6,17.2,17.8,18.3,17.2,13.3,10.2,7.8
1907,7.8,7.4,10.8,10.5,12.9,14.2,17.6,16.9,17.4,11.8,9.5,8.4
1908,7.5,9.4,8.4,10.7,14.8,16.3,17.7,17.6,15.4,15.7,12.1,9.7
1909,8.6,8.1,7.7,12,14.3,15.1,16.8,18,15.7,13.4,7.7,7.7
1910,7.8,8.2,9.7,10.2,14,16.1,17.4,17.2,15.4,13.7,8.7,9.3
1911,7.9,8.5,8.8,10.8,15.1,16.8,19.3,19.6,16.3,13.3,8.9,8.9
1912,8.3,8.7,10,12.4,14.6,15,17,14.9,14.8,12.5,10.3,10.4
1913,8,8.4,8.9,10.7,12.9,15,17.3,18.3,16.5,13.2,10.9,8.4
1914,7.7,9.5,9.5,12.9,13.4,16.5,17.2,18.2,16.6,13.3,10.1,7.2
1915,7.7,7.4,8.7,11.6,14.8,17.3,17.1,17.7,17.4,13.7,7.9,8.4
1916,10.3,7.4,6.8,11.3,13,14.9,17.4,19.6,16.6,14.1,9.8,6.4
1917,5.4,6.2,8,9.2,14.8,15.9,18.7,17.6,16,11.3,11,7.4
1918,7.9,9.6,9.8,11.3,15,16.4,17.7,17.5,14.5,11.9,10.2,10.5
1919,7,7.3,7.5,10.9,15.5,15.7,17.1,18.5,15.7,12.9,7.5,9.4
1920,8.7,9.7,9.1,10.1,13.2,15.8,15.9,16.8,15.8,14.5,11.5,8.1
1921,10.4,8.6,10.2,12.4,13.4,17.4,20.5,16.7,16.6,15.6,11.4,11.2
1922,8.8,9.4,9.6,9.7,14.4,15.5,15.5,15.7,15.3,12.3,10,8.9
1923,9.4,9.2,9.9,10.2,12.3,15.1,18.2,17.1,14.9,12.5,7.4,9.4
1924,9.1,7.8,9.4,10.7,13.7,15.5,16.5,16.1,15.3,13.6,10.4,10.3
1925,9.2,8.2,8.9,10.6,12.5,17.1,17.1,17.7,14.8,14,8.4,7.9
1926,9.1,10.4,10.2,12.7,13,15.6,19.5,18.8,17.1,12.5,9.1,7.9
1927,8.3,9.6,10.2,11.1,14.8,14.8,17.6,17.4,15.1,14.5,10,7.4
1928,9.7,10.3,8.9,11,14.5,15.6,17.3,17.3,15.8,13.5,10.9,8.8
1929,6.9,8.5,11.5,11.5,14.2,16,17.7,17,17.7,12.9,10.5,9
1930,8.2,5.7,9.1,11,13.8,16.9,16.7,16.4,16.4,13.5,10,9
1931,8.3,8.6,9.8,11.6,13.5,16,16.5,17.4,15.5,13.5,10.9,10
1932,10.6,7.6,9.7,10.7,13.2,17.5,17.6,19,16.1,12.5,10.7,9.3
1933,7.3,8.2,10.9,12.5,14.8,16.6,19.1,19,18,13.6,9.7,6.9
1934,9.2,8,9.5,10.3,13.3,17.9,20.4,17.1,16,12.9,9.4,10.6
1935,8.4,9.2,10.4,11.6,14.6,15.9,18.6,18.3,16.3,13,9.1,7
1936,7.2,8.2,10.2,11,14.2,16.6,17.1,18.5,17.1,14.3,9.8,9.5
1937,8.6,8.8,7.3,12.1,14.4,15.8,17.6,18.9,16.1,13,9.4,7.4
1938,9.2,8.7,11.6,12.5,13.5,15.8,16.5,18.1,16.3,13.9,11.7,8.2
1939,7.6,9.8,9.6,12,14.9,18,16.9,18.6,17.1,12.3,11.8,7.1
1940,6.8,9.1,10.6,12.2,15.4,19.4,16.8,18.7,16.4,12.7,10.6,9.1
1941,5.8,7.7,8.8,10.6,13.5,17,17.2,16.6,18.2,14.3,10.3,9.7
1942,8.3,7.2,11.2,13.1,14.3,16.4,17.3,18,15.3,12.4,8.3,10.5
1943,9.2,9.5,11.1,12.8,14.3,16.2,18.4,16.8,15,13.1,10.2,8.2
1944,9.9,8.1,10.8,13.4,14.2,16,18.2,18.8,15.2,12,10,8.9
1945,5.8,10.3,11.7,13.3,14.7,15.7,17.6,18.3,17.1,15.4,11.4,10.2
1946,8.5,9.2,10,12.6,15.1,14.8,16.9,15.9,15.5,13.6,10.8,8.2
1947,7.2,3.7,8.5,11.3,13.6,15.9,16.6,20.6,16.6,14.6,10.8,8.6
1948,8.4,8.4,13,12,14.8,15.1,17,17.6,15.7,13.4,12.5,9.7
1949,9.7,10.3,11.1,12,14,18.3,19,18.8,18.4,14.4,10.4,9.5
1950,9,9,11.8,11.1,15,17.1,17.8,16.9,14.4,12.7,9,6.1
1951,7.7,7,8.4,10.7,13.5,16.7,18.3,16.5,15.6,13.7,10.9,9.5
1952,7.7,8.2,10.7,12.2,15.5,15.8,18.1,17.7,14.6,13,8.8,8.4
1953,8.3,8.8,10.2,11.3,15.1,16.3,17.2,17.5,16.2,13.3,11.1,10.6
1954,8,8.1,9.8,12.5,13.8,15.2,15.5,16.3,15.1,14.1,10.3,10
1955,7.6,5.7,8,13.7,13,15.7,20.3,20.5,16.9,13,11.1,10.4
1956,8.4,6.3,10.9,12.2,14.3,15.4,17.1,15.9,15.9,13.3,10,10
1957,9.2,8.9,12.3,13,14.7,17.9,17.9,17.5,15.1,13.4,9.7,9.1
1958,8.6,9.5,8.6,11.6,13.4,15.4,17.3,17.3,17.2,13.4,11.2,8.6
1959,7.5,9.9,10.8,11.8,15.9,17,18.3,19,18.9,15.4,10.6,9.3
1960,8.4,8,11,12.8,15.8,17.6,16.6,17.4,15.8,13.3,10.2,7.9
1961,8.6,10.3,11.7,13.3,15.2,15.6,17,17.2,16.8,13.2,9.7,7.6
1962,8.5,8.5,8.7,12.1,13.6,16.2,17.5,16.7,15.3,13.9,9.2,8.1
1963,6,5.9,10.4,11.1,12.8,16.9,17.2,16,15.5,14.2,10.7,7.5
1964,8.7,8.7,9.8,11.6,15.2,15.3,17.2,17.6,17,13.2,11.4,8.7
1965,7.1,6.7,10.4,11.6,14,16.2,17.4,17.2,14.3,14.9,9,9
1966,7.5,9.8,10.4,11.2,13.7,16.2,17.3,17.6,17.3,12.6,8.8,9.7
1967,8.2,8.3,9.2,12.1,12.2,16.6,17.1,17,15.3,12.5,9.5,8.9
1968,9.2,6.6,9.5,11.6,12.9,17,18,19.3,16.3,15.1,10.6,8.7
1969,8,5.6,9,11.6,13.6,16.5,18.1,17.5,16.4,15.5,8.6,8.5
1970,8.2,7.5,8.6,10.2,14.2,18.4,16.5,17.2,16.1,13.4,10.3,8
1971,8.9,8.8,9.1,11.9,13.9,15.5,18.8,17.7,18.3,15,10.8,9.9
1972,7.5,8.2,9.6,11.5,12.2,13.4,17.8,16.9,16.3,14,9.8,9.8
1973,8.9,8.4,10.5,11.2,13.6,16.1,16.9,18.2,17,13.4,11.3,9.4
1974,9.4,8.5,9.4,13.5,13.3,16,16.1,17,13.6,11,9.4,10.6
1975,9.5,9.7,9.1,11.3,14.9,17.7,18.9,19.2,15.3,13.6,10.6,8.6
1976,9,8.7,9.7,12.4,13.1,17.5,19.1,20.9,16.4,12.5,9.8,6.6
1977,6.6,8.3,10.1,10.4,14.3,15.7,18.9,18.3,16.2,13.9,9,9.5
1978,7.2,7.3,9.7,10.9,14.7,15.4,16.5,16.9,16.6,14.5,11.8,8.5
1979,6.1,6.6,8,10,11.9,15.5,17.4,16.4,15.5,14,10.8,8.6
1980,7.4,9.4,8.4,12,14.4,14.8,16.3,17.3,15.9,12.1,9.6,9.5
1981,9.1,8.3,10.7,12.5,12.9,14.9,16.5,18.9,16.7,10.9,11.1,7.2
1982,7.9,9.5,9.8,12.8,13.9,17.2,19.5,17.6,15.6,12.7,9.9,8.7
1983,9.6,6.5,9.9,9.8,12.4,16.3,21,20.2,16,13,11.2,10
1984,7.9,9,8.5,13.5,14.1,15.8,19.9,19.3,15.9,13.6,9.7,9.6
1985,6.2,8.5,9.2,12.3,13.8,15.5,16.8,15.5,16.7,14,8.8,9.7
1986,8.1,3.9,9.2,9.3,12.1,16.2,16.5,15.7,15.1,13.8,11,9.6
1987,7,8.7,9.5,12.8,13.6,15,18.2,18.3,16,12,10.4,9.7
1988,8.7,8.4,10.1,12.6,14.2,17.7,16,16.5,14.6,13.3,10.4,10.8
1989,10.4,9.6,10.4,10.4,16.4,16.9,20.8,18.2,16.2,13.8,10.8,8.5
1990,9.7,9.8,11,11.6,16.4,15.2,19.4,18.5,16,13.7,10.2,8.4
1991,7.7,7.4,11.1,11.2,14.8,15.4,18,18.9,18.3,12.6,9.9,9.5
1992,8.6,9.7,10.4,11.1,15.9,17.6,18.5,16.7,14.6,11.5,10.9,8.4
1993,9.8,9.5,9.9,12.4,14.7,16.1,16.9,17.1,15.8,11.7,10,9.6
1994,8.9,8.6,10.5,11.1,14.1,15,17.3,17.2,15.2,14.1,12.4,10.4
1995,8.8,9.6,8.1,12.3,13.6,17.9,19.5,20,16.9,15.3,11.4,8.1
1996,8.6,7.7,9,11.9,12.9,17,18.1,17.5,17.8,13.7,9.9,7.9
1997,7,10,11.7,14.2,15.7,16.5,18.7,18.9,16.9,14.6,11.4,9.8
1998,9.1,10.6,11.1,11,15.5,15.6,16.9,18,17.2,14.3,10.8,10.3
1999,9.2,9.7,10,12.3,14.7,15.3,19,18.4,16.8,13.6,11,9.1
2000,8.2,9.9,10.8,10.8,15.2,16.7,18.5,18.4,16.3,12.5,9.6,8.8
2001,7.5,8.8,9.4,11.4,15.7,16.2,18,17.9,16.5,15.1,11.6,8.9
2002,10.6,9.9,10.9,12.4,13.7,14.6,16.6,17.6,17.5,13.7,11.4,9
2003,8.5,9.2,11.9,14,13.4,16.7,17.5,20,17.1,13.5,11.6,9.8
2004,9.4,9.2,10.7,11.8,14.5,17.1,17.1,18.2,16.5,11.9,11.4,10.1
2005,9.7,8.1,11.3,12,13.4,17,18.5,18,16.8,14.2,10.7,9.4
2006,9,8.4,9.2,11.6,13.4,17.9,20,17.6,17.8,15.1,11.3,10.1
2007,9.7,9.7,10.7,14.9,14.5,17.2,17.5,17.6,16.8,15.6,12.2,10.9
2008,10.2,10.1,10,11.6,16.9,16.2,18,17.3,16.1,13.1,10.4,9.2
2009,8.5,8.7,11.1,12.2,14.1,18.5,17.9,17.1,16.3,14.6,10.5,7.3
