1901,5.8,7.2,10.1,13.7,16.2,19.1,18.5,17.6,16.6,14.7,9.8,7.3
1902,7.4,7.8,10.8,11.8,15.8,18,17.8,17.3,16.4,13.5,10,7.3
1903,5.6,7.1,9.4,13.3,16.1,18.2,18.9,17.3,17.1,15.3,10.4,7.6
1904,6.6,7.7,10.5,12.2,15.5,18.8,18.4,17.9,17.3,14.7,9.6,7
1905,5.8,5.5,8.5,11.3,15.8,18.9,18.6,16.9,17.2,14.5,10.8,7.6
1906,6.1,7,9,12.8,16.2,18.7,19.2,16.9,18.1,14.4,10.7,7.8
1907,7.2,7.2,8.7,11.9,16.1,18.1,18,18.3,16.7,15,10.6,7.4
1908,6.4,7.6,10.5,14.6,16.2,19,18.8,18,17.1,14.9,10,7.5
1909,6.5,7.3,11.9,12.9,15.8,18.3,18.9,17.4,18.2,15.3,11.2,8
1910,6.8,8,9.7,12.8,15.9,18.3,17.6,17.7,17.7,14.4,10.6,7.9
1911,7.6,7.3,9.6,12.9,15.4,18.7,18,17.4,16.7,13.7,9.6,7
1912,7,7.7,9,11.1,16.2,18.6,17.9,17.5,17.1,14.4,10.1,7.8
1913,6.8,7.6,8.5,12.5,15.2,18.2,18.6,17.9,17.1,14.4,9.4,7.1
1914,6.7,7.6,9.9,11.4,16.3,19.3,19.1,17.2,16.8,13.6,10.3,8.2
1915,7.6,8.1,9.8,12.8,15.5,18.2,18.1,17.6,16.9,16.3,11.8,8.2
1916,6.9,7.8,11,12.6,16.2,19.2,17.8,17.5,17,13.9,10.8,7.3
1917,6.4,7.5,9.5,12.9,17,18.8,18.4,18.1,16.9,14.3,10.7,7.9
1918,6.3,7.3,10,12.8,17.4,18,17.7,17,17.1,14.5,10.2,7.2
1919,7.4,7.1,11.7,12.9,16.3,19.3,18.5,18.9,16.7,14.5,11.1,8.2
1920,7.5,7.3,9.2,12.2,15.6,18.6,19.1,17.7,16.8,15,10.8,9.5
1921,7.2,7.4,10.5,12.6,16,17.8,18.3,17.8,17.3,13.6,10.5,8.1
1922,7.2,8.4,11.3,15,17,18.3,18.3,17.8,17.3,14.7,10.7,7.9
1923,7.5,7.4,11.4,13.3,15.5,18.3,18.4,18.5,17,14.5,10.8,8
1924,7.2,7.6,12,14.2,15.6,18.6,18.1,17.4,16.4,15.5,10.3,8.3
1925,5.8,6.9,10.4,12.8,14.3,18.9,18.3,17.4,15.9,13.8,10.5,6.6
1926,6.9,8,9.2,12.5,15.9,18.2,17.9,17.5,17.3,14.9,10,8.3
1927,6.5,6.7,8.3,12.2,15.6,18,19,17.7,16.1,14.9,10.4,8.1
1928,6.9,8.7,10.9,14.1,15.9,18.6,18.7,17.3,17.3,13.8,9.6,7.5
1929,6,7.2,11.1,13.1,15.1,18,18.7,17.7,17,14.3,10.4,7.2
1930,6.2,8,10,12.6,16.5,17.4,19.2,17.8,17,13.9,10.2,7.9
1931,7.7,8.5,10.8,12.9,15.4,18.4,18,18.5,16.3,15.4,10.2,8.1
1932,7.2,6.4,10.6,13.9,14.7,18.1,18.7,17.4,17.1,15.1,11.6,8.6
1933,6.5,8.3,11.9,12.8,15.6,18.8,18.7,17.9,17.6,15.3,10.7,8.5
1934,7.1,8.3,10.6,13,15.3,17.5,18.5,17.9,18.1,13.9,9.8,8
1935,7.4,8.4,11.4,13.7,16.8,18.7,19,17.4,17.7,16,12.3,8.4
1936,6.7,6,10.9,13.6,17.1,18.6,18.9,17.9,17.8,13.4,12.6,7.8
1937,6.5,7.1,10.5,14.7,16.2,19.7,19.9,17.1,18,15.2,10.5,9.2
1938,8.1,7.6,11,14.8,16.8,19.4,18.1,18.3,18.2,15.5,9.3,8.3
1939,7.8,8.6,10.9,15.2,16.6,18.7,18.2,18.2,17.2,14.7,10.7,8.5
1940,7.2,8,8.2,13.2,16.2,19.2,19.1,18.5,17.7,15.8,10.6,8.5
1941,6.5,8.2,11.6,13.4,15.9,18,19.1,18.1,18,14.5,10.6,9.9
1942,7.9,9.4,10.7,13.2,16.4,19,19.6,18.5,17.4,16.2,12.3,9.5
1943,7.4,8.4,8.9,11.2,16.4,19.1,18.4,18.2,18.2,15.5,14.6,9.5
1944,5.8,7.5,11.3,12.7,16.7,20.4,19.7,19.5,17.6,16.4,12.2,11.6
1945,7.7,6.5,11.7,14.6,15.7,19.4,19.1,18.2,18.1,14,11,7.7
1946,9.3,9.3,10.5,13,16.2,19.3,18.9,19.5,18.6,13.6,12.7,9.8
1947,7,8.7,10.6,13.8,15.8,19.5,19.4,18.2,19,14.8,11.5,10.4
1948,6,6.8,9.3,13.8,15,19,18.5,18.4,18.1,13.5,12,7.6
1949,7.7,8.4,10.6,11,16.1,19.1,18.6,18,17.1,15.2,10.9,7
1950,7.7,7.6,10.3,13.9,17,18,19,16.9,17.7,14.3,10.3,8.6
1951,7.4,9.1,11.2,12.3,15.8,18.4,17.6,18.2,16.9,14.5,11.6,8.9
1952,8.8,9.9,9.4,14.7,16.1,19.7,18.8,18,17.1,16.6,12.8,8.8
1953,6.5,9.1,11.4,14.3,16.9,19.1,17.8,19.1,17.2,15.4,11.3,9.7
1954,7.1,10.1,12.7,13.9,16.8,18.2,17.3,16.5,17.8,15,11.2,8.1
1955,7.6,9.9,11.3,13.2,17.6,17.4,17.4,17,17.7,16.2,11.7,7.9
1956,7.9,9.4,10.8,15,17.5,18.5,18.5,17.8,17.9,15.4,11.8,8.4
1957,7.8,7.2,10.3,13.7,16.2,19.2,18.8,18.4,18.5,14.6,12.1,9.2
1958,7.9,7.6,11.5,14.5,16.3,20.5,19.8,17.2,18.3,16.4,13.7,9.4
1959,7.8,6.6,10.9,14.6,15.7,18.1,18.7,18.6,16.2,13.3,12.2,10.3
1960,6.3,9.2,10.4,15.6,17.8,19.5,17.4,17.1,15.6,14.4,10.5,8.3
1961,8.2,8.3,9.8,14.1,16.2,19.1,19.1,18.6,16.8,15.5,8.6,5.9
1962,6.7,7,10,13.5,15.6,18.1,19,16.1,16.7,14.5,12.4,8.5
1963,7,7.6,9.1,11.8,14.9,17.7,18,16.9,17.7,14.4,8.2,7.1
1964,7.5,7.3,10.2,12.4,15.7,19.2,17.7,18,17.1,16.5,11.5,8.5
1965,6.9,5.9,8.3,13.2,15.8,19,17.9,16.4,17.1,13.4,7.4,9
1966,6.7,9.7,12.2,13.4,17.8,17.3,18.9,17,15.9,12.6,12.8,8.4
1967,7.4,8,8.2,11.5,15.7,18.2,18.5,18.9,17.1,13.9,7,7.5
1968,5,6.2,9.8,12.5,16.1,17.9,17,18.6,17.6,12.9,10.7,8.1
1969,6.7,9,10.7,13.5,17.2,18.7,18.5,17.5,16.6,13.3,11.8,8.7
1970,5.7,6.9,10.6,13.5,17.1,18.7,18.4,17.5,17.6,13.8,9.6,9.3
1971,6.5,7.3,9.6,12.4,15.4,18.5,18.2,17.2,17.9,14.7,7.7,6.9
1972,8.3,8.4,10.8,12.5,16.5,18.9,19.8,18,17.2,15.9,10.1,9.9
1973,8.5,8.2,10.9,14.9,17,18.4,19.2,18.3,17.5,14.7,10.2,7.3
1974,6.2,9.6,10.2,14.1,16.2,18.6,17.4,17.3,16.3,16.8,12.4,7.4
1975,6.5,7.6,11.2,14.3,16.2,19.3,17.8,18,16.3,17.1,13,8.5
1976,6.3,8.6,11.9,13.9,16,17.8,18.1,17.5,18,14.6,14.1,10.3
1977,7.5,10.4,11.9,11.7,14.4,17.6,19.3,17.7,17.1,12.7,9.1,6.1
1978,5.2,6.8,9.7,12.8,16,18.1,18,16.9,16.1,14.5,10.5,8.4
1979,7.4,7,10.2,14.5,18.6,19.4,17.9,17.6,16.4,13.6,12.9,7
1980,6.1,7.6,9.5,14.5,14.4,18.9,19,17.9,17.6,13.7,11.6,9.9
1981,5.1,9.4,9.4,11.9,15.8,19.1,18.1,18.5,17.7,17.5,11.2,5.1
1982,7.7,6.4,9.5,12.4,16.1,18.6,19.6,19.3,18.5,14.2,9.3,8.2
1983,3.8,4.7,9.6,11.5,14.9,20,20.5,18.9,16.9,14.6,10.7,8.1
1984,6.6,8.9,11.8,13.8,15.5,18.9,17.7,17.8,15.9,16.6,9.9,9.5
1985,5.9,7.6,12.5,14.1,15.7,19.1,16.2,18.8,17.3,14.9,10.2,9
1986,8.5,8,10.2,11.5,15.2,19.5,18,18,15.9,12.3,10.5,6.4
1987,6.7,8.3,9.8,12.4,16.5,19.2,18.6,16.2,16.6,14.9,12.8,9.6
1988,8.4,9.7,11.2,13.2,16.5,18.6,18.6,17.8,17.1,15.2,9.8,6.8
1989,6.2,7.1,11,13.6,17.8,18.9,18,17.8,17.3,15.1,9.7,6.1
1990,9.5,6.7,7.8,11.7,16.6,19.3,17.7,17.8,17,13.4,11.5,8.3
1991,4.4,8.7,11,12.9,15.6,16.9,18.3,16.5,16.2,14.4,9.6,5.3
1992,5,4.7,11,13.5,14.4,18.1,17,16.9,17.2,13.8,9.4,4.5
1993,5.8,7.3,9.5,12,15.1,17.9,18.8,17.3,15.8,15.2,9.7,8.3
1994,7.8,6.3,10.1,12.4,16.5,19.6,18.6,17.6,18.3,14.6,8,6.3
1995,4.4,6.4,12.2,12.6,18,18.6,17.1,17.2,16.7,15.5,10,7.2
1996,8.4,8.7,11.1,14.8,16.5,18.5,18.1,17.9,17.5,15.8,10.7,10
1997,6.3,6.8,10.1,10.3,16,18.5,19.1,18.9,16.2,14.2,11.3,8
1998,7.1,8.4,8.1,12.9,18.4,19.9,17.8,17.4,18.1,16.4,12.4,9.3
1999,8.1,11.2,13.6,15.9,16.4,19.6,18.3,17.7,17.3,15.3,13,8.4
2000,6.9,7.7,9.7,12.3,16.2,19.2,18.7,17.4,17.1,15.7,12.2,9.6
2001,9.2,9.7,10.8,14.1,15.9,18.8,19.9,18.1,17.9,14.8,13.4,10
2002,7.4,10.6,11,12.2,15.4,18.7,18.2,17.9,17.3,14.7,11.9,9.1
2003,8.2,7.6,9.7,13.2,16.1,17.8,18.7,19.5,17.8,16.4,13.4,9.4
2004,7.7,8.9,14.1,11.4,17.4,18.8,17.2,19.3,18.5,13.9,10.4,10.1
2005,6.5,8.7,10.2,12.9,14.8,19.5,19.5,18.3,19.2,14.5,12.1,9.6
2006,9,10.9,11.2,12.2,16.4,18.7,20.2,19.8,18.1,14.8,10.7,9.6
2007,8.7,7,11.7,13.3,17.9,19.2,19.3,18.7,17.5,16.4,11.7,10
2008,7.5,6.8,11,13.9,16.5,18.3,19.1,17.7,18.4,15.1,11.3,10.3
2009,8.7,10.2,10.8,15.4,17.6,20.6,19.7,19.2,19.2,17.3,12.8,9.3
