1901,6.4,7,6.4,10.2,14.9,14.2,17.6,16.2,14.9,11.3,9.5,6.9
1902,7.1,5.5,8.3,10.5,10.4,14,14.7,15.6,15.2,11.9,9.4,7.1
1903,6.1,9,7.7,8.7,12.1,14.4,15.5,15.5,14.4,11.1,9.4,6
1904,6.1,5.3,6.4,9.4,11.6,14.8,16,15.8,14.1,11.8,8.9,7.2
1905,7,7.1,8,8.9,12.9,15.7,16.7,15.1,13.9,10.6,8.5,8.1
1906,7.5,5.9,7.3,10.1,10.3,15,16.2,17,16.6,12.3,9.6,6.6
1907,6.9,6.2,9,9.4,11.2,12.4,15.8,14.8,15.6,11.1,9.5,6.6
1908,6.6,7.6,6.8,8.6,12.9,14.7,16.1,15.4,14.1,14.1,10.9,7.6
1909,7.3,7.2,6.1,10.4,13,14,14.8,16.4,14.2,11.6,8.2,6.6
1910,6.3,6.9,8.5,8.8,12.2,15,15.4,15.9,14.7,12.6,7.4,7.6
1911,7,8,7.7,9.6,14.1,15.3,17,18.3,15.1,12,8.5,7.4
1912,6.2,7.2,8.3,11.2,12.8,13.9,15.4,13.6,13.1,11.3,8.7,8.4
1913,6.2,7.4,7.4,9.8,11.7,14.1,15.1,16.7,15.1,12.6,10.1,7.6
1914,6.2,7.8,7.8,12.1,11.7,14.9,16.2,17.3,15.2,12.7,9.8,5.8
1915,5.8,6.2,8.1,9.9,12.1,15.4,15.5,16,15.5,12.1,7.3,6.6
1916,9,6.3,5.2,9.6,11.8,13.3,15.7,17.6,14.9,11.6,8.8,6.1
1917,4.3,6.3,6.3,7.9,12.4,14.7,17.8,16.8,15.1,9.5,9.9,6.5
1918,6.6,8.1,8,9.8,13.6,14.7,16.1,16.2,12.1,10.8,9.1,8.9
1919,6.1,5.6,6.3,9.5,14.6,14,15.2,16,14.2,12,7.6,7.4
1920,7.4,8.3,8.2,8.9,11.9,14.8,14.6,14.7,14.5,12.9,10.4,6.8
1921,8.9,7.9,8.5,11.3,12.4,15.3,18,15.1,15.1,14.3,9.8,9.8
1922,7.3,8,7.9,8.3,12.5,13.8,14.1,13.9,13.7,11.7,9.7,7.7
1923,9,7.8,8.7,9.1,10.1,12.7,16.5,15.4,13.6,11.5,7,7.5
1924,7.6,7.3,7.1,9,11.5,13.9,15.5,14.9,13.5,12.1,10,9.1
1925,7.9,6.8,7.8,9.5,11.1,15,15.8,16.3,13.1,12.5,8.5,7
1926,8.1,8.5,8.5,11.8,11.8,14.7,17.4,17.6,15.5,11.1,8.7,7.8
1927,7.6,8.2,9,9.5,12.3,12.9,16.1,16.3,14,13,9.6,5.6
1928,8.2,8.5,7.1,10,12.7,12.9,15.1,16.2,14.6,12.5,10,7.6
1929,6.1,5.9,9.6,9.8,13.3,14.3,16.4,15.6,16.1,11.5,9.4,7.6
1930,6.7,5.3,7.5,9.9,12.5,16,15.2,15.3,14.7,11.8,9.2,7.6
1931,7.2,7.5,7.4,9.9,12.7,14.3,15.2,15.7,13.9,12.6,10.1,8.8
1932,9.3,8.3,8.8,9.5,12.3,16.3,16.2,16.9,14.6,11.5,9.3,8.4
1933,6.1,7.3,9.5,11.2,13,16.1,17.6,17.7,16.5,12.6,8.8,7
1934,8.1,8.3,7.4,9.1,12.2,15.5,18.4,15.6,14.7,11.5,9,9.1
1935,7.7,8.3,9,9.7,12.9,14.5,17.2,17.2,14.6,11.2,8.1,5.8
1936,5.9,6.3,8.4,9.5,12.9,15.4,15.7,17.4,16,12.9,9,8.3
1937,7.2,7.4,6,10.5,13.8,14.2,16,17.6,14.9,12,9.7,6.8
1938,8.3,8.1,10.6,11.7,12.3,13.9,14.8,16.3,15,12.1,10.1,6.8
1939,6.3,8.2,8.4,10.5,13,15.8,15.2,16.8,15.1,11.4,9.9,6.9
1940,4.8,6.5,8.3,10.3,13.8,17.5,15.1,16.5,14.2,11.2,9.6,7.3
1941,3.7,6.3,6.5,8.2,11.5,15.1,15.9,15.1,16.4,12.9,9.4,8.3
1942,6.7,5.8,7.6,11.4,12.7,14.6,15.8,16,14,11.8,9.9,9.4
1943,7.7,9.4,9.6,11.6,13.2,15,16.6,15.5,14.3,12.7,10,8
1944,9,7.9,8.8,12.1,12.6,13.8,16.1,17.9,14.4,11.6,9.2,7.3
1945,5.4,9.4,10.8,12.1,13,15,16.5,17.6,16.2,13.6,11,9
1946,6.8,8.2,8.6,11.7,13.3,14.3,15.9,15.4,14.7,12.1,10.2,7
1947,6.2,2.4,5.7,9.8,13.5,14.8,16.4,19.9,15.8,13.7,9.9,7.8
1948,6.9,7.6,11.7,11.2,13.5,14.2,15.8,15.5,14.4,12.4,11.3,8.5
1949,8.5,8.7,9.1,11.2,12.7,16.4,16.9,16.7,16.5,13.1,10,8.1
1950,7.6,7.1,9.9,9.4,12.8,16.2,16.5,16,13.7,11.5,8.4,5.2
1951,6.4,6.1,6.5,8.3,11.2,14.9,16.1,15.3,14.7,12.8,10.3,8
1952,5.9,7.3,8.7,11.2,13.8,14.2,16.4,16.3,13.3,11.5,8.5,6.9
1953,7.4,8.5,9.4,9.7,13.8,14.6,15.6,16.3,15.6,12.4,10.4,9.9
1954,6.8,5.9,8.3,10.7,12.7,14.2,14.3,15.3,13.6,12.5,9.3,8.6
1955,6,5.4,7.3,12.1,12.1,14.4,17.7,18.2,16.1,11.8,10.2,8.5
1956,6.8,5.9,9.3,10.1,13.4,14,15.9,14.8,14.7,12.3,9.9,8.4
1957,8.1,7.4,10.9,11.2,12.9,16.2,15.5,15.7,13.5,12.4,9.5,8
1958,6.9,7.3,6,10.2,12.1,14.3,16.4,16.8,16.3,12.6,10.4,7.7
1959,5.7,8.7,9.7,11.3,14,16.5,17.5,17.4,16.9,14.8,9.7,8.3
1960,7.5,6.7,8.2,11.7,14.8,16.7,16.6,16.3,15.1,12.2,9.3,6.9
1961,7.1,9.5,11,11.4,12.9,15.5,15.6,16.4,15.9,12.5,9.2,6.7
1962,7.7,8.1,6.3,10.6,12.4,15.5,15.5,15.8,14.1,13.1,9.4,7.8
1963,4.2,4.6,9.5,10.6,12,15.6,16.4,15.1,14.6,12.9,9.6,7.2
1964,8,7.6,7.8,11.5,14.2,14.8,16.1,15.8,15.3,11.9,10.6,7.5
1965,6.6,6.9,8.1,11.2,13.1,15.6,15.1,16.3,13.7,13.1,7.9,7.5
1966,6.6,7.2,9.4,9,13.2,16,15.9,15.8,15.4,11.9,8.7,8.1
1967,7.9,8.2,8.7,10.6,11.8,15.6,16.9,16.4,15,11.6,9.3,8.1
1968,7.9,6,8.6,11.5,11.5,16.3,15.7,17,15.5,14.2,9.5,7.5
1969,7.9,5.1,6.3,10.7,12.2,16,17.5,17.1,15,14.8,8.3,7.4
1970,7,6.2,7.4,9.6,13.6,16.7,15,16.4,15.4,12.6,9.7,8.1
1971,8.3,8.5,8.7,10.4,13.7,13.6,17.2,15.8,17,13.9,10.3,10.2
1972,6.3,7.3,8.5,10.3,12.1,12.9,15.4,15,13.9,13.2,9,8.5
1973,7.7,7.3,9.3,9.2,12,15.9,16.1,17.3,15.3,11.7,9.4,8.1
1974,8.4,8,8,11.2,12.8,14.6,15.5,16.7,13.2,10.7,8.8,9.5
1975,8.5,8.2,7,10.2,11.4,15.6,17.2,18.5,14.4,12.8,9.7,8.6
1976,8,7.5,8,10.6,13.1,16.9,17.6,18.2,14.4,11.6,9.1,5.4
1977,6,6.3,9,9.7,12.2,13.9,16.8,16.9,14.2,13.5,8.7,8.3
1978,6.4,5.9,8.5,8.7,13.5,14.4,15.2,15.7,15,13.4,11.1,7
1979,4.9,5.2,6.5,8.9,10.8,14.5,16.2,15.5,14.7,13,9.9,7.8
1980,6.1,8,7,11.1,13.7,14.4,15.2,16.7,15.4,11.2,9.5,8.7
1981,8.3,6.6,9,10.8,12.6,14.2,15.5,16.8,15.6,9.8,10.2,5.2
1982,6.6,8.1,8.4,11.1,13.9,15.4,16.8,16,14.6,12.2,9.4,7.3
1983,8.3,6.2,8.5,8.7,11.5,14.5,18.1,17.9,14.7,12.3,10.6,9.1
1984,6.1,7.4,7,11.9,12.2,14.5,16.7,17.9,14.8,12.7,9.3,8.1
1985,5.2,6.5,7.4,10.8,11.8,14,15.9,15.2,15.2,13.3,7.9,8.5
1986,6.5,3.8,8.1,8.5,12.2,15.2,15.8,13.7,13.6,12.6,9.8,8.1
1987,5.8,7.4,7.3,11.6,12,13.3,16.7,16.7,15.1,11.2,9.8,8.8
1988,7.2,7.5,8.7,11.2,14,15.1,15.7,16.1,14.5,12.7,9.8,9.9
1989,9.9,8.8,9.1,9.1,14.1,15.2,17.7,17,14.9,12.7,9.5,6.9
1990,8.2,8.3,9.8,10.4,13.6,14.7,17.4,17.2,14.3,12.6,9.6,7.5
1991,6.3,6.2,9.3,10.2,12,13.7,17.5,17.6,15.6,11.6,9.5,8.4
1992,7.8,8.6,9.2,10.4,14,15.6,16.7,15.6,13.7,10.1,9.7,7.2
1993,8.4,8.7,9.3,10.8,11.8,14.8,15.2,15,14.2,10.4,8.4,7.3
1994,7.1,5.8,8.6,9.8,11.8,14,17.3,16,14,12.5,12.1,8.7
1995,7.6,7.9,7.4,10.6,13.2,14.4,18.2,19,15.3,14.4,10.8,6.8
1996,7.8,7.2,6.8,11.7,11.3,15.4,16.1,16.5,15.5,13.3,8.9,7.1
1997,6.9,8.8,9.9,11.1,12.8,14.5,17.1,18.8,15.2,12.8,11.3,9.1
1998,7.9,10.1,9.5,9.5,12.6,14.3,15.4,16.3,15.7,12,9.9,9.3
1999,7.3,7.8,9.2,11.1,13.4,14.1,17.1,16.5,16,12.8,10.3,7.7
2000,7.8,8.5,8.9,9.5,12.9,14.9,16.1,17.1,15.2,11.6,8.9,7.6
2001,6.1,7,6.9,9.6,14.1,14,15.7,17,14.6,14,10.8,8.3
2002,8.7,8.6,9.7,11.6,13.2,14.9,15.2,16.4,15.5,11.5,10.4,7.7
2003,7.5,7.6,10.4,12.4,12.9,16.3,17.6,17.6,15.6,11.6,10.7,8.3
2004,7.9,8,8.9,11.3,13.1,15.5,16.3,17.5,15.5,11.3,10.7,9.2
2005,8.9,7.2,9.6,10.9,12.3,15.5,16.1,16.6,16.4,13.7,9.9,8.5
2006,7.8,7.7,7.8,10.5,13.2,16.6,19,16.6,17.3,14.3,10.5,8.7
2007,8.5,8.5,9.4,13.6,13.3,15.4,15.9,15.9,14.9,14,11.1,8.8
2008,8,9,8.2,10.4,14.6,15.2,16.9,16.6,14.7,11.7,9.6,7.6
2009,7.1,7.6,9.5,11.8,13.6,15.9,17.4,17.1,15,13.3,9.6,6.6
