1901,8,8.1,8.4,10,13,16.7,20.2,20.3,19.5,15.4,11.9,9
1902,7.6,6.8,5.9,11,14,18.2,20.2,20.5,19.4,15.6,12.1,9.9
1903,7.8,7.3,8.4,11.6,13.9,17.3,20.8,20.7,19.1,15.4,12.6,10.6
1904,7.1,6.5,8.5,11.7,14.2,18.7,20.8,20.5,18.9,15.8,12.6,10.5
1905,9.1,9.1,8.5,11.4,14.1,19.6,21.5,21.5,19.5,16.3,12.4,9.7
1906,7.6,8.4,9,12.1,14.8,18.5,20.9,20.1,19.7,16,12.4,9.4
1907,8.6,8.7,8.7,11.9,13.7,17.9,21.1,20.6,19.5,16.5,11.6,10.8
1908,9.1,7.8,9.2,11.9,14.1,18.4,20.8,20.8,19.7,15.4,11.9,7.6
1909,7.6,6.7,9.2,9.6,12.9,17.4,20.4,21.1,18.6,14.7,11.2,7.8
1910,6.4,5.8,7.9,10.7,14,17.6,20.9,19.4,18.8,14.3,11.6,9.5
1911,8.9,7.9,9.4,11.6,14.1,18,20.2,19.9,19,15.5,12.8,8.6
1912,9.2,8,8.7,10.9,14.1,17.8,20.6,21.3,20,16.3,12.2,9.7
1913,8.1,8.5,8.2,11.1,13.6,17.3,21.3,20.7,19.7,16,13.2,10
1914,9.5,8.6,8.8,11.4,13.6,17.5,20.3,20.8,19.7,16.1,13,9.7
1915,8.1,8.6,8.4,11.2,13.7,18.4,21.1,21.5,20,16.1,12.6,10.4
1916,9.7,9.9,10,11.7,14.1,18.7,21.1,21.2,20,16.3,11.8,9.9
1917,8.7,8.7,8.2,11,13.2,18.6,21.3,21.4,20.6,16.9,13.1,10.8
1918,8.3,9.2,10,12.1,13.6,18.6,21.2,21,20.4,16.6,12.1,9.8
1919,7.4,8,8.5,11.9,14.4,18,20.3,21.1,20.1,16.1,12.8,10.6
1920,8.8,9.6,8.5,10.8,14.1,17.6,21.3,21,20.4,15.8,12.3,9.8
1921,8,7.6,8.2,10.1,12.5,17.1,19.9,20.1,19.5,16.2,12.8,10.4
1922,7.9,7.9,7,7.5,12.6,18.4,20.6,20.3,19.7,16,10.3,9.8
1923,9.2,8.2,8,11.4,14.4,17.7,20.1,20.5,19.7,15.6,13.8,11
1924,9.2,9.1,9.1,10,13.2,17.2,20.5,20.1,19.8,15.4,11.6,8.5
1925,5.9,8.4,9.2,11.8,14.9,17.4,20.7,21.2,19.6,16.1,12.9,11.1
1926,8.6,7.8,8.1,9,11.8,18.6,20.6,20.9,19.3,16.6,12.3,8.9
1927,7.7,7.4,8.3,10,12.3,17.3,20.3,20.2,19,13.9,12.9,10.1
1928,8.1,7.3,9.8,9,13.9,17.4,19.8,19.9,19,15.1,11.5,7.9
1929,7.4,5,6.9,8.4,11.4,16.8,19.5,19.4,18.8,15.8,12.1,10.3
1930,9.7,9.3,10,11.8,10.8,17.5,18.8,19.4,19.9,15.7,11.1,9.1
1931,9.8,7.5,9.8,12.4,11.7,16.1,19.2,20.1,19.9,16.3,12.4,6.2
1932,6.8,5.2,8.4,11.6,13.9,16.8,19.8,19.9,20,15.8,12.2,9.5
1933,9,8.8,9.3,11.4,14.1,17.3,19.4,20.1,19.4,16.5,14.3,10.5
1934,8.2,8.8,10.6,11.7,15,17.1,19.9,20.7,20.1,17.2,13.9,12.8
1935,10.1,9.6,9.8,12.2,12.7,16.8,20.4,20.8,20.9,17.6,14.1,11.8
1936,11.2,11.6,10.4,13.6,15.1,18.1,19.4,20.8,20.3,17,15,12
1937,8.4,10.7,10.6,14,13.6,17.7,20.6,21,19.8,17.8,15.5,12.2
1938,11.6,12,8.7,13.1,17.6,19.8,21.2,23.8,21.6,18.2,13.7,11.1
1939,9.5,8.4,7.5,11.5,14.8,17.1,20.3,21.9,20.5,14.5,13.8,11.5
1940,8,8,10.4,11.4,15.2,17.5,20.5,21.1,19.6,15.4,12.4,11.4
1941,9.2,10.6,11.3,13.4,17.1,20.5,23.9,22.1,20.7,18,15.9,13
1942,8.4,11,9.3,12.4,16.2,17.2,21.2,21.7,18.9,14.8,13.2,9.1
1943,8.1,11.2,10.5,14.8,16,16.4,21,24.8,19.2,18.8,14.3,11.2
1944,7.7,9.7,9.8,13.4,17,19.5,20.4,21.2,21,16.6,13.3,10.7
1945,9.8,9.6,13.2,11.4,16.5,19.6,19.4,20.6,19,14.6,13.3,10.3
1946,11.5,8.6,8.9,12.4,17,18.6,22,20.1,21.6,19.4,14.5,12.8
1947,11.9,10.9,12,12.6,15.3,18.3,23.1,22.2,21.9,17.2,13.3,13
1948,10,10.1,8.1,14.2,17.1,18.2,23.3,22.3,20.6,17.4,13.9,10.9
1949,11,9.7,12.2,12.3,16.3,20.6,21.1,20.5,21.7,14.5,12.9,9.5
1950,9,8.3,7.8,9.5,14,19.6,19.4,20.7,20.4,18.8,14.3,11
1951,9.5,10.2,11.8,14.8,14.5,19.8,22.3,22.9,21.5,18.5,16.7,13.1
1952,10.7,8.5,8.5,14.1,14.7,19.4,21.4,22.1,21.1,16.5,14.5,10.4
1953,7.3,10.1,11.3,14,14.4,19,22.2,21.3,19.6,17.6,13.1,9.6
1954,9.1,10.1,11.4,13.1,14.6,18.3,21.3,19.7,20.6,16.1,11.7,10
1955,7,7.1,8.4,9.7,12.2,15.9,19.1,21.2,19.7,16.5,13.7,10.1
1956,7.9,6.5,9.6,12.3,16.4,20.5,20.7,21.7,20.4,16.5,13.8,10.4
1957,10.6,11.1,8.9,11.8,14.3,17.3,21.2,22.6,21,16.6,12.3,11.7
1958,9.5,9.4,9.6,12.4,16.9,21.1,22.4,22.1,21.4,17.2,14.9,13.1
1959,9.5,10,9,13.3,16.7,21,21.8,22.5,20.9,17,14.4,12.1
1960,11.7,8.1,8.8,11.5,13.5,17.9,21.4,21,20.3,17.5,15,10
1961,9.6,8.7,8.7,12.3,12.7,18.8,21.6,21.4,21,17.9,11.8,11.1
1962,6.4,9.2,8.4,13.4,14.5,17.5,22.4,23,21,17.2,13.9,12.2
1963,9.9,10.1,11.2,12.1,13.9,20,21.6,22.3,20.9,17.8,14.8,13.1
1964,9.6,7.9,7.3,12.5,13.4,16.9,20.8,21.7,20.2,16.4,12.1,10.2
1965,9.1,6.3,8.2,11.8,14.1,17.6,21.1,21.6,19.6,15,14.1,11.2
1966,7.7,6.2,9.2,12,17.2,19.6,21,21.4,20,15.6,13.1,10.2
1967,5.5,8.3,10.1,13,15.4,19.3,21,20.4,21.1,16.4,14.8,10.8
1968,10.1,10.4,8.7,12.2,15.2,16.4,20.5,20.1,19.9,17,12.2,10.7
1969,9.9,10.3,8.4,13.1,15.3,17.1,22.6,22.7,21.4,15.7,14.4,9.8
1970,7.3,9.5,9,11.1,14.3,18.6,21.8,22,20.2,15.1,13.2,10.5
1971,8.9,8.1,9.4,11.7,15.1,19,21.5,20.9,20.4,16.8,13.1,10.3
1972,8.7,9.6,12.1,13.4,15.9,19.4,22.5,21.2,20.6,18,13.5,12.1
1973,9.1,9.2,8.5,10.1,15.6,18.1,21.5,21.6,20.4,17.2,12.5,8.8
1974,9.5,7.7,9.1,12.9,14.1,19.9,20.4,21.3,20.4,17,13.2,8.4
1975,7.3,7.9,8.5,10.4,13,17,20.7,20.8,20.6,15.8,13.2,9.4
1976,7.3,9,9.7,11.2,14.1,19,20.5,21.4,19,15.3,11.9,10.2
1977,9.2,8,8,10.1,15.3,19.2,21.2,21.1,21.4,17.4,14.5,12.5
1978,9.3,8.9,11.2,12.4,14.3,18.1,21.8,19.9,19.5,17.2,12.4,10.9
1979,8.7,9,9.4,11.6,12.6,19.2,21.5,20.8,19.5,15.5,10,8.5
1980,7.7,10.8,10.4,11.4,13.1,20.2,21.1,21.3,20.3,16.8,11.5,10.4
1981,11.1,10.1,8.8,12.9,14.5,18.3,21.4,21.5,19.8,16.2,11.5,9.5
1982,8.2,8.5,10,13.4,13.6,17.6,21,21.5,21.3,14.5,12.3,9.6
1983,9.1,8.7,9,10,14.3,17.5,21.6,20.3,20.5,16.7,11.9,9.8
1984,8.6,7.2,8.4,10.5,14.4,18.6,20.3,20.6,19.4,14.7,11.3,10.9
1985,7.3,8.8,9.6,11.9,13.5,14.8,20.3,21,19.2,15.8,13.6,9.4
1986,9,9.7,10.2,14.5,14.6,18,21.2,21.2,20,16.1,14,11.1
1987,8.4,8.8,8.8,13,13.1,17.7,21.2,22.8,18,18.2,13.9,11.6
1988,8,10,10.8,13.6,15.1,18.9,21.6,20.8,20.1,15.5,13.3,9.4
1989,7.6,8,9.8,12.5,13.4,20,20.2,21,20.5,15.8,12.9,9.7
1990,8.1,9.4,10.2,12.7,15.2,20.4,20.9,22.1,21.5,18,13.7,12.4
1991,8,8.8,10.1,11.2,13.2,17.8,19.5,21.3,20.1,16.5,11.5,8.8
1992,9.7,9,8.3,11,13.4,17.2,20.4,20.1,21,15.4,11.7,10.5
1993,8.9,9,8.8,11.4,14.5,17.9,20.7,21.4,20.5,16,12.7,10.3
1994,9.8,9.2,10.1,13,15.1,19.1,21.2,20.6,21.2,17.2,14.2,12.6
1995,7.9,11.1,10.9,11,13.8,17.3,21.4,22,20.4,16.1,14.3,10.3
1996,8.7,10.8,10.1,12.9,15.8,19.3,21.9,21.1,20,17.2,13.3,11
1997,8.3,7.8,10.3,11.1,16.2,19.6,22.3,22.2,21.6,18,14.5,11.5
1998,9.7,9.8,11.2,12.8,15.2,21.8,23,22.4,20.9,18.4,13.2,9.5
1999,9.6,10.1,9.9,12.5,15.4,19.4,21.2,21.8,20.4,17.9,14.4,10.5
2000,9.8,10.8,9.9,13.4,15.1,20.1,22.3,21.9,21.7,16.7,11.9,11.1
2001,9.4,9.9,9.2,12.8,15.4,20.1,22.3,22.7,21.3,17,14.5,11
2002,9.7,9.9,10,13.8,15.8,18.2,22.1,21.7,21.2,17,14.9,11.5
2003,11.7,10.8,11,14.4,16.1,17.9,22.1,22.4,20.7,18.4,14.3,11.6
2004,9.4,9.3,11.6,12.6,16.8,19.9,22.6,22.7,21.4,18,13.8,12.2
2005,11.6,11.1,10.8,14.8,15.5,18.3,22.1,22.5,22.7,17.2,14.3,11.3
2006,10.1,11,11.3,14.8,15.9,20.5,23.4,21.9,21.8,19,14.9,11.9
2007,9.5,10.7,12.2,13.4,15.4,20.1,22.1,22.7,21.8,18.2,14.9,12.1
2008,10.3,9.7,10.4,14.9,15.8,19.7,21.8,22.1,21.7,18.5,14.5,12.4
2009,11.9,11,11.9,13.4,17.1,19.8,23,23.5,22.5,17.7,13.6,11.4
