1901,6.3,6.6,6.9,10.9,15.5,15.5,18.8,17.2,15.7,11.4,9.1,6.3
1902,6.8,5.5,8.9,11.5,11.7,15.4,15.8,16.4,15.8,12.1,9.7,7.3
1903,6.1,9,8.4,9.5,13.2,15.2,16.1,16.3,14.8,11.4,8.7,5.8
1904,6.4,5.5,7.2,10.2,12.8,16.2,17.4,16.6,14.7,12.2,8.2,7
1905,7.2,7.2,8.7,9.4,13.8,17.4,17.7,16,14.7,10.5,7.9,7.9
1906,7.1,5.6,7.7,10.6,11.4,16.3,17,17.8,17,12.7,9.1,6.1
1907,6.6,6.3,9.3,10.3,12.5,13.8,16.5,15.3,15.8,11.5,8.7,6.4
1908,6.7,7.7,7.4,9.3,13.9,15.9,16.8,16.2,14.6,14.3,10.2,7.4
1909,7,7.4,6.4,11.1,13.8,14.9,15.8,16.9,14.8,11.6,7.5,5.8
1910,5.9,7,9,9.3,13.6,16.4,16.3,16.9,15.2,12.7,6.5,7.4
1911,6.9,8,8.2,10.3,15,16.3,17.9,18.8,15.4,11.8,7.7,7.3
1912,6,7.2,9.4,11.6,13.5,15.1,16.3,14.3,13.7,11.2,7.9,7.9
1913,6.3,7.6,7.9,10.4,12.8,15.4,16.2,17.4,15.5,12.8,9.7,7
1914,6.3,8.2,8.3,12.6,12.7,16.2,17.4,18,15.4,12.8,9,5.5
1915,5.6,6.2,8.3,10.6,13,16.4,16.4,16.9,15.7,12.4,6.6,5.9
1916,8.9,6.2,5.9,10.5,12.8,14.2,16.7,18,15.3,11.9,8.7,5.6
1917,4.1,6.4,6.7,8.4,13.5,15.9,18.5,17.9,15.4,9.5,9.4,6.1
1918,5.6,8.3,8.6,10.6,14.6,15.7,17,17,12.7,11.2,8.6,8
1919,5.8,5.7,6.5,10.3,15.6,15,15.8,16.6,14.5,11.6,6.3,6.7
1920,7,8.2,8.4,9.7,13,16.3,15.9,15.7,15,13.3,10.1,6.8
1921,8.3,8.1,8.8,12.1,13.2,16.2,18.5,15.9,15.6,14.3,9.2,9.3
1922,6.7,7.9,8.4,8.8,13.5,14.9,15,15,14.4,11.4,9.2,7.4
1923,8.7,7.8,9.3,10,11.1,13.9,17.3,16.2,14.1,11.6,6.3,7
1924,7.4,7.4,7.3,9.9,12.7,15,16.5,15.9,14.3,12.4,9.8,8.9
1925,7.7,6.8,8.2,10.3,12.5,16.4,17.4,17.2,13.7,12.6,7.8,6.2
1926,7.7,8.5,9,12.4,12.9,15.9,17.9,18.2,15.9,10.7,8.4,7.4
1927,7,8.3,9.7,10.1,13.1,14,17.4,17.6,14.3,12.9,8.8,5.1
1928,7.6,8.4,7.9,10.9,13.9,14.1,15.9,17.1,15.2,12.6,9.4,7
1929,5.6,5.9,10,10.2,14.3,15.2,17.2,16.4,16.2,11.4,8.8,7.2
1930,6.4,5.6,7.8,11,13.5,17.3,16.3,16.5,15.4,11.7,8.4,7.4
1931,6.7,7,7.3,10.3,13.2,14.8,15.9,16.7,14.5,12.1,9.7,8.7
1932,9.2,7.9,8.7,10.1,13,17.5,17.2,17.2,14.8,11.3,9.2,7.7
1933,6.1,7.1,9.6,11.5,13.7,17.4,18.5,18,16.8,12.6,8.4,6.3
1934,7.9,8.7,8,9.8,12.9,16.6,19,16.6,15.4,11.6,8.3,9.1
1935,7.5,7.9,9.6,10.7,14.1,16,18,17.8,15.5,11.5,8.3,5.6
1936,5.7,6.5,8.8,10.2,14.1,16.8,17.2,17.5,15.9,12.7,8.8,8.1
1937,7,6.8,6.1,10.9,14.1,16,16.8,17.4,15.2,12.2,8.8,6.1
1938,7.5,7.9,10.6,12,13.3,15.1,15.7,17.6,15.5,12.2,9.6,6.7
1939,5.7,8.3,9.1,11.3,13.6,17.3,16.3,17.9,16,11.6,9.6,7.1
1940,4.5,5.9,8.5,11.2,14.8,18.9,16.8,17.3,14.8,11.6,9.1,7.2
1941,3.6,6.3,7.5,9.5,13,17,17.2,16.4,16.7,13.6,9.1,8.6
1942,6.5,6.5,7.5,12.1,13.6,15.5,16.6,16.8,14.4,11.7,9.4,9.2
1943,7.4,9.1,10,12.1,13.9,16.3,17.8,16.6,15.2,13.1,9.2,7.8
1944,8.6,7.6,9.2,12.5,13.3,15.3,17.8,18.7,14.9,11.8,8.3,7.4
1945,4.6,9,11,11.9,14,16.1,17.4,18.2,16.4,13.9,11.2,8.9
1946,7.4,8.3,9.2,11.9,14.8,15.5,16.5,16.3,15.4,12.4,9.5,7.5
1947,6.1,2.6,5.7,10.3,14.2,15.6,17.3,20.6,16,13.8,9,7.5
1948,6.4,7.7,11.7,12.1,14.5,15.6,16.9,16.5,15,12.2,10.9,8.7
1949,8.2,8.9,9.6,11.9,13.6,17.5,18.1,17.4,17,13.5,10,7.9
1950,7.8,7.3,10.2,10.1,14.4,17,17.6,17.6,14.6,12,7.7,4.7
1951,6.1,6.3,7.1,9.1,13.1,16.4,16.9,16.6,15.5,13.4,10.1,8
1952,5.6,7.3,9,12.2,14.7,15.1,17.5,17.2,13.5,11.5,7.3,6.7
1953,7.6,8.3,10.4,10.4,14.7,16.7,16.8,17.4,15.8,13.1,10.3,9.9
1954,6.7,5.9,9,11.8,13.8,15.8,15.4,16.2,14.5,12.3,9.2,8.7
1955,5.3,5,7.9,12.7,12.9,16,18.9,19,16.4,11.8,9.4,7.8
1956,6.3,6.1,9.6,10.9,14.1,15.6,17.2,15.5,15.3,11.9,9.5,8.5
1957,8.1,7.2,10.5,11.9,13.7,17.1,16.5,17,13.9,12.4,9.1,8.1
1958,6.6,6.6,6.7,10.7,13,16,17.2,17.2,17.2,13,10.5,7.5
1959,5.1,9.3,10.1,11.7,15.5,17.1,17.5,17.7,17.1,14.9,9.8,8.1
1960,7,6.7,8.7,12.3,15.6,17.6,17.5,17.3,15.9,12.4,9.4,7
1961,6.9,9.1,10.8,12,13.8,15.9,16.1,16.7,16.3,12.5,8.4,5.9
1962,7.5,7.9,6.3,11.2,12.8,15.7,16.9,16.3,14.6,13,8.7,7.3
1963,3.6,4.7,9.3,10.8,12.7,17.1,17,15.6,14.6,12.8,9,6.6
1964,8.1,7.6,8.3,11.5,14.8,15.3,16.7,16.3,15.6,12.1,10.1,7
1965,5.7,6.6,8.2,11.1,13.5,16.3,16.1,16.4,14.1,13.2,7.1,6.7
1966,5.6,6.7,9.2,9.2,13.3,16.5,16.6,16.8,15.6,11.7,7.7,7.4
1967,6.9,8,9,10.9,12.9,16.2,16.9,17,15.7,11.5,8.8,7.2
1968,7.1,5.6,8.8,11.6,12.2,16.9,17.1,18.1,15.8,13.8,9.1,7.2
1969,7,4.5,7.2,11.1,13,16.9,17.3,17.7,15.3,14.5,7.1,7
1970,6.7,5.7,7.3,9.6,13.9,18.4,15.5,17.1,15.2,12.2,8.7,7.4
1971,7.8,8.3,9,11.3,14.3,15.2,17.7,17.1,16.6,13.8,9.4,9.3
1972,6.6,7.7,9.1,11,13.4,14.1,16.8,15.8,14.5,13.3,8.4,8.8
1973,7.7,7,9.9,9.9,13,16,17.2,17.7,15.3,11.7,8.5,7.4
1974,8.4,8.1,8.7,12.2,13.6,16.1,16.4,17.3,14.2,10.7,8.3,8.8
1975,7.8,8.5,7.6,10.8,12.9,16.5,17.8,18.9,14.9,13,9.4,8.5
1976,7.5,7.7,8.5,11.6,13.7,17,18.6,19.5,15.2,12.2,8.9,5.4
1977,5.9,6.2,9.3,9.9,13.6,15.3,18.1,18,14.7,13.5,8.3,8.2
1978,5.8,5.6,8.7,10,14.8,15.5,16.3,16.4,15.1,13.1,10.3,7
1979,4.4,5.1,6.8,9.8,11.3,16.1,16.3,16.5,14.9,13.4,9.1,7.5
1980,5.9,7.8,7.8,11.8,15,15.7,16.4,17.3,16,11.2,8.8,8.2
1981,7.4,6.9,9.2,11.4,14.1,14.9,16.2,17.3,16.2,9.9,9.4,4.8
1982,6,8.1,8.5,11.7,14.4,17.5,18.2,17,15,12.6,9,7.1
1983,7.7,6.1,8.8,9.4,12.6,15.4,19.1,18.5,14.8,12.2,9.8,8.5
1984,5.2,7.5,7.8,12.3,13.5,15.9,17.7,19,14.7,12.5,8.9,8.4
1985,4.2,6.9,7.4,11.1,13.3,15.4,16.5,16.1,14.9,13.3,6.7,7.7
1986,5.9,3.5,8.5,8.9,12.4,16.5,16.1,15.1,13.9,12.3,9.5,7.3
1987,5,6.8,7.3,11.8,12.8,14.6,17.2,16.3,15.3,11.3,8.9,8.1
1988,6.4,7.1,8.5,11.3,15.1,16.4,16.4,16.3,14.5,12.2,9,9.3
1989,9.4,8.1,9.1,9.4,14,16,18.6,16.9,15.1,12.7,8.5,6.3
1990,8,7.8,9.9,10.7,14.4,15.8,17.9,17.6,14.4,12.6,8.6,7.3
1991,6.7,6.4,9.7,11,13.3,14.8,18.7,18.5,16.1,11.5,9,8.8
1992,8,9,9.5,10.8,15.3,17.4,17.2,16.5,14.1,10.2,8.9,7.2
1993,7.7,8.7,9.3,11.3,13.2,15.8,15.9,16,14.8,10.3,8.7,6.6
1994,6.9,5.8,8.7,10.4,13.3,15.3,17.8,16.7,14.6,12.1,11.7,8.4
1995,7,7.5,7.5,10.9,13.5,16.2,19,19.4,15.4,14.4,10.4,6
1996,7.5,7.2,7.5,11.6,12,15.9,16.7,17,16.1,13.2,8.2,6.6
1997,6.4,8.6,10.4,12,13.9,15.8,18.3,19.4,15.6,12.7,10.8,8.7
1998,7.8,9.9,9.7,10.2,14,15.4,16.4,16.8,15.8,11.7,9,9
1999,7.1,7.4,9.4,11.4,14,15.1,17.7,17.2,16.3,12.9,9.8,6.9
2000,7.6,8.4,9.6,10.3,14.5,15.6,17.2,18,16,12.1,8.8,7.3
2001,6.5,7.2,7.5,10.3,14.9,14.9,16.5,17.4,14.9,14,10,7.8
2002,8.5,8.2,9.6,11.9,14.3,16,16.4,17.5,16,11.1,10.3,7.5
2003,6.6,7.7,10.7,12.8,13.4,16.9,18.5,18.5,15.7,11.3,10.1,8.1
2004,7.3,7.8,9.4,11.8,14.2,16.3,17,18.5,15.8,11.5,10.4,8.9
2005,8.1,6.9,9.8,11.5,13.5,16.3,17.1,17.4,16.2,14.3,9.3,7.9
2006,7.8,7.6,7.6,10.6,13.8,17,19.4,17.1,17.3,13.8,9.4,9
2007,7.7,8.2,9.7,13.4,13.9,16.6,16.9,16.5,15,13.6,10.2,8.5
2008,7.5,9.1,8.5,10.9,15.8,16,17.8,17.3,15.4,11.4,8.8,7.2
2009,6.8,7.4,9.6,12.4,14.2,17.4,17.8,17.4,15.6,13.1,9.3,6.2
