1901,7,5.2,8,10.7,12.4,17.1,17.6,19.8,17,12.6,9.6,6
1902,6.5,8.4,9.2,11.3,11.5,14.9,17.9,19.7,17.2,12.6,10.7,7.2
1903,6.9,7.4,8.8,10.5,11.8,15.5,18.6,19.7,17,14.5,10.4,5.9
1904,5.7,7.5,7.5,10.4,14,16.1,18.4,19,17.2,14.9,10.8,8.9
1905,5.7,5.8,9.7,11.6,12.5,15.3,18.4,19.8,16.6,12.8,9.4,7.1
1906,6.5,5.8,8,9.4,12.3,17.1,18.4,20.4,17.9,14.4,9.7,5.6
1907,5.2,5,7.9,10.4,11.9,16.1,17.1,19.6,18.4,12.7,10.4,9
1908,7.4,6.2,7.4,9,13.1,14.4,17.5,19.3,18.3,14.8,11.6,8.4
1909,5.5,5.7,8.5,10.7,12.9,14,17.3,19.4,15.8,14.4,10.9,9.2
1910,6.4,8.2,7,10.2,11.1,15.7,17.2,18.3,16.7,14.2,10.3,8.3
1911,3.7,7.1,7.8,8.9,11.7,14.5,18.1,19.9,19.1,13.6,10.2,8.7
1912,7.4,9.9,10.1,9.8,13.6,15.8,16.2,17,16.1,13,9.3,6.5
1913,8.4,7.4,8.8,9.5,12.6,16.7,17.2,17.8,16,13.6,10.9,6.8
1914,5.1,8,8.9,10.3,12.6,13.9,16.8,18.7,18.3,13.8,9.8,7.9
1915,6,7.3,9,8.8,13.3,15.7,19.1,20.2,17.1,12.6,10.6,8.2
1916,6.2,6.8,7.9,9.7,13.1,15.4,17.4,18.9,16.7,14.3,10.1,8.6
1917,6.1,7.2,7.5,8.9,13.1,15.6,19,18.6,18.2,13,9.1,4.5
1918,8,7.1,7.7,9,12.3,15.4,18,19.1,17.6,11.6,10.1,7
1919,5.4,9.3,8.9,9.3,12.1,16.2,17.4,20.3,17.7,12.2,9.2,5.4
1920,6.5,8.2,8.4,11.3,13.8,16.5,17.4,19.2,18,13.4,10.1,6.9
1921,6.4,7.4,8.2,9.5,12.1,15,18.6,18.8,17.7,15.7,9.7,5.5
1922,6.3,7,7.6,10.1,13.2,15.2,18.5,18.9,16.3,14,10.3,6
1923,4,7.8,8.9,8.7,12.9,14.3,18.9,20.3,16.6,15.3,9.1,4.7
1924,6.5,5.1,9.1,10.3,14.7,16.8,18.5,18.3,17.2,14.2,9.9,7.4
1925,6,6.2,5.5,9.7,11.7,13.9,16.3,19,16.7,13.6,8.8,9.2
1926,7.4,9.5,9.5,10.8,11.4,15,17.8,19.7,19.3,15.3,8.9,6
1927,6.2,6.6,8.5,10.2,13.9,16.7,17,19.3,17.1,14.8,8.8,7.9
1928,5.2,7.5,8.9,9.8,11.1,15.8,20.1,19.7,18.3,13.9,8.6,6.1
1929,6.2,8,8.8,10.9,12,16.4,19,19.4,17.8,13.7,9.8,8.3
1930,7.9,5.6,8.9,9.3,12.7,14.3,17.5,20.2,18.2,15.8,11.1,8
1931,6.1,7,10,11,12.8,16.6,17.8,18.1,17,14.4,10.9,5.5
1932,6.3,6.2,9.2,9.4,12.6,14.8,17.2,19.1,17.2,12.8,10.4,8.2
1933,6,6.8,9,11.4,14.7,15.2,18.2,21.4,16.9,14.3,7.7,4.8
1934,4.9,5.3,7,9.5,12.7,16.2,18.4,18,17.9,13.8,8.3,9.1
1935,4.5,5.6,8.8,10.4,11.6,15.4,19,19.2,17.8,12.4,9.6,7.8
1936,9.2,9.4,8.9,10.8,10.8,14,17.3,20,18.5,12.7,8.5,5.6
1937,7.5,8.6,8.6,11.2,12.4,15,18.9,19,17.1,14,12.4,6.9
1938,5.6,6.3,8.8,10.4,12.6,17.6,18.4,18.2,15.8,14.2,11.5,7
1939,8.1,7.2,7.8,9.8,11.9,14.9,18.3,18.4,17.3,13.6,9.7,7.6
1940,7.1,9.3,10.8,11.6,12.5,15,17.8,19.5,17.6,12.9,9.6,4.9
1941,6.1,7.7,8.9,10.3,11.3,15.4,18.5,19.6,19,14.7,9.8,5.9
1942,5.4,4.9,10.1,10.2,13.6,15.3,18,19,17.8,15.7,11.3,8.1
1943,7.4,7,9.1,12.2,13.9,17.8,17.8,20.4,16,12.8,7.8,7.1
1944,5.5,4.2,8,12,13.9,16,17.9,18.6,17.5,11.3,9.2,5.4
1945,3.1,6.4,8.7,13.4,13.9,17.4,17.3,18,17.5,15.4,12.6,8.8
1946,5.9,7.1,8.4,10.3,11.2,15.9,19.7,19.7,17.2,14.1,10.7,5.4
1947,5.5,8.2,9.8,11.9,12,15.8,18.5,18.5,17.4,14.6,10.2,5.1
1948,6.6,7.9,10,10.7,11.9,15.8,17.3,18.9,17,13.5,10.5,8.8
1949,5.7,6.9,8.7,11.7,12,16.3,18,20.8,17.4,14.6,10.3,7
1950,6,6.6,8.2,9.3,12.1,16.1,18.9,18.2,16.5,14,10.9,5.9
1951,5.8,6.4,9.2,10.9,10.1,16.4,17.7,17.5,16.7,11.5,9.8,8.5
1952,4.1,6.9,9.6,9.5,12.3,16,17.4,17.4,14.8,13.8,10,6.5
1953,5.7,6.6,8.7,11.1,13.8,14.3,18.6,19.6,17.6,13.3,11.9,9
1954,4.9,5.3,8.6,9.5,13.1,15.4,17.7,17.7,16.9,15.1,12.4,8
1955,9.9,8.6,8.4,11.9,15.3,16.2,17.4,18.7,18,14.1,12.3,9
1956,6.5,4.2,7.7,9.3,11.3,15,16.6,17.6,15.1,14.8,7.6,4.7
1957,4.1,7.4,9.7,9.1,11.5,14,18.7,19.2,19,13.2,9,5.6
1958,5.7,9.3,7.9,9.3,13.2,14.6,17.1,18.2,17.7,13.2,9.3,9.3
1959,8.6,6.5,9.8,10.5,12.1,15.6,18.5,18.2,17,14,9.6,7.4
1960,5.8,8.4,9.5,10.6,13.5,17.6,18.4,17.6,16.9,12.5,10.6,5.8
1961,5.6,8,8.9,11.6,14.6,16,18.5,20.1,18.4,12.9,10.1,8.5
1962,7.6,6.1,9.6,11.1,12.1,15.3,18.2,19.1,19,15.8,7.9,6.7
1963,8.4,6.7,8.3,9.8,12,15,17.6,17.1,15.3,13.4,11,8.1
1964,7,7.7,9.1,8.3,13.6,15.3,17.8,18.3,18.9,12.1,8.8,4.5
1965,5.4,5.8,9.2,9.7,12.5,16.4,16.3,17.5,14.1,13.8,9.9,7.1
1966,7.6,7.9,5.8,9.6,12.1,15.1,17.7,17.8,17,12.2,6.5,5.2
1967,4.8,7.2,8.9,9.3,11.6,14.9,18.2,18.5,16.3,14.4,10.1,4.6
1968,4.5,8.1,8.6,10.6,12,15.6,18.5,18.5,16.9,14.7,11.1,7.1
1969,7.7,7.7,9.3,9.9,12.2,14.8,18.7,18.8,15.5,13.9,9.8,4.9
1970,8.4,6.3,6.8,9.2,10.7,14.1,17.6,17.7,17.1,11.9,10.1,3.8
1971,6,6.9,6.5,9.6,10.9,12.5,17.3,17.6,16.7,15.1,7.1,6.1
1972,5.2,7.5,8.1,9.4,10.7,14,16.6,17.7,15.1,12.9,9.9,6.7
1973,4.8,5.1,6.2,8.8,12.8,15.6,17.4,19,15.6,12.4,10.5,5.1
1974,6.9,6.9,7.6,8.7,12.1,15.4,18.4,18.8,16,10.9,8.9,6
1975,6.2,8.1,7.4,9,11.1,14.3,17.6,18.8,15.5,13.1,8.3,6.1
1976,3.7,7.7,7.4,8.4,12,16.1,18.4,18.8,15.9,11.9,6.6,8.4
1977,7,7.5,8.5,10.2,11.5,13,15.8,16,17.3,14.8,10.1,10.1
1978,7.3,8.7,8.2,9.8,10.9,13.8,18.3,19,18.7,13.6,10.3,10
1979,8.9,8.6,7.9,9.2,12.5,16.4,18.6,19.2,17.5,13.6,9.1,6.6
1980,6.1,8.1,8.6,10.8,12.5,16.7,17.9,19.8,19.1,13.7,10.2,5.3
1981,4.4,6.5,10.1,10.5,12.7,16.9,18.4,18.9,17.6,13.7,11.6,8.9
1982,7.4,8.3,8.8,10.5,13.1,16.7,17.4,17.6,17.2,11.9,9.7,5.6
1983,5.4,5.8,9.4,9.4,11.6,16.5,17,18.3,18.3,15.8,13.3,7.6
1984,6.6,6.1,7.3,11.1,10.1,14.4,17.9,18.8,17.8,12.8,11.3,8.1
1985,4.8,9.2,7.2,10.1,11.3,16.3,18.9,18.7,19.3,15.1,10.5,7.5
1986,6.1,7.5,8.3,8.1,13.2,16.2,18.2,17.8,18.2,14.9,9.7,6.1
1987,6,7.7,9.6,10.8,12.8,16.1,18.4,18.6,18.5,13.4,9.8,9.9
1988,8.1,7.4,8.8,11,12.6,15.2,18.3,19.7,16.8,14.5,11.7,6.1
1989,5.8,7.6,9.2,9.3,12.8,15.9,19.9,20.1,17.1,15.3,11.7,10
1990,6.4,8.4,9.9,9.8,14,16.3,18.8,19.4,19,13.6,8.5,6.4
1991,5.4,5.3,9.2,9.1,11.5,16.2,18.2,18.9,18.1,11.9,8.4,7.3
1992,4.9,5.8,8.1,9.5,12.8,14.3,18.2,18.4,15.6,12,8.8,7.3
1993,3.8,5.5,7.7,9.7,12,15.4,19.1,19.4,16.4,12,9.3,6.3
1994,5.7,6.6,8.9,9.7,13.4,16.4,18.7,19.4,16.1,14.6,11.2,7.6
1995,5.9,7.8,8.8,10.7,13.9,16.3,19,19.9,15.9,15.4,12.7,10.5
1996,9.8,6.7,9.3,11.4,13,16.7,19,18.3,16.2,13.3,10.2,9.3
1997,7.1,8.5,9.6,12.3,14,16.4,17.2,18.7,17.7,16.2,11.5,8.5
1998,7.3,9.3,9.1,9.8,12.9,16.4,18.8,19.5,18,12.1,10.5,5.1
1999,5.5,6,9.1,11,13.5,16.4,19.7,19.2,17.3,14.7,8.4,7.4
2000,4.5,7.1,8.7,10,13,16.7,17.7,18,17.3,12.5,9.1,7.9
2001,7.7,8.3,10.9,10.9,12.5,16.2,18.4,19.6,17.8,14.8,8.8,7
2002,7.8,7.5,9.3,11,12.7,16.2,18.3,18.5,17,14.7,11,9.9
2003,6.4,7.2,10.2,11.1,13.8,17.5,18.1,20.2,17.7,15.1,11,7.6
2004,7.5,8,9.4,9.5,12.1,16.9,19.1,19.3,17.2,14.1,8.7,6.3
2005,3.3,3.6,8.6,10.6,13.6,17,19.3,18.7,16.8,14.7,9.1,7.3
2006,5.1,6.5,9.2,11.8,14,16.6,18.6,19.3,18,15.8,12.8,6.5
2007,5.3,9.5,8.5,10.6,12.8,15.2,18.1,18,17.2,14,9.1,6.7
2008,6.6,9.2,8.7,10.4,12.7,15.9,18.3,18.6,17.4,13.7,8.3,6
2009,6.5,7.1,9.4,9.6,13.2,16.9,18.4,19.7,17.6,14.4,9.8,7.5
