1901,5.5,4.6,5.8,10.2,15,15.2,18.6,16.4,14.5,10.4,8,4.9
1902,5.7,4.1,8.2,10.8,11.6,15.1,15.1,15.4,14.5,10.8,9.2,6.4
1903,5.2,8.1,7.4,8.8,13.2,14.5,14.9,15.3,13.4,10.5,7.5,4.9
1904,6.1,4.1,6.4,9.7,12.9,15.9,16.9,15.8,13.5,11.1,7,5.9
1905,6.6,6.1,7.6,8.4,13.7,17.3,17.1,15.3,13.5,9.1,6.5,6.9
1906,6,4.1,6.5,9.7,11.4,16.3,16.1,17.1,15.4,11.8,8.4,5.1
1907,5.6,5.2,8.3,9.7,12.5,13.2,15.4,14,14.5,10.9,7.6,5.5
1908,5.7,6.7,6.2,8.3,13.9,15.9,15.9,15.3,13.5,13.3,9.2,6.6
1909,6.1,6.5,5.1,10.4,13.4,14.1,15.1,16,13.3,10.4,6.1,4.3
1910,4.8,5.8,8.1,8.7,13.9,16,15.2,16.2,13.9,11.6,5.1,6.7
1911,6.2,6.7,7.1,9.7,15,15.6,17.7,17.9,14,10.4,6.7,6.7
1912,4.9,6.1,8.7,10.8,13.1,14.5,15.4,13.2,12.4,10.2,6.7,6.8
1913,5.3,6.6,6.7,9.4,12.5,15.1,15.6,16.3,14.3,11.7,8.9,5.7
1914,5.6,7.6,6.9,11.5,12.5,16.1,16.7,17.2,14.2,11.6,7.7,4.3
1915,4.7,5,6.8,10,12.6,15.8,15.3,15.9,14.2,10.8,5,4.5
1916,8.2,4.8,4.5,9.8,12.7,13.4,16,17.1,13.9,10.9,8,4.4
1917,3.1,4.9,5.4,7.5,13.9,15.4,17.4,17.1,14.2,8.2,8.6,4.9
1918,4.2,7.7,7.6,9.7,14.7,15.3,16.1,16.4,11.3,10.2,7.4,6.8
1919,4.7,4.2,4.7,9.5,15.4,14.6,15,15.7,13.2,10.2,4.3,5.4
1920,5.8,7.3,7.5,8.9,13,16,14.8,14.7,13.7,12.2,9.1,5.5
1921,7.1,7,7.7,11.3,12.9,15.9,17.6,15,14.4,13.4,7.7,8.4
1922,5.4,6.8,7.1,7.7,13.6,14.4,14,14.2,13.2,9.9,8.3,6.4
1923,7.8,6.5,8.1,9.2,10.7,13.6,16.6,15.2,12.9,10.5,4.9,5.8
1924,6.5,6.1,5.7,9.2,12.4,14.5,15.7,14.9,13.2,11.2,8.9,8.1
1925,6.9,5.5,6.7,9.3,12.7,16.3,17.4,16.3,12.4,11.4,6.2,4.3
1926,6.6,7.3,7.8,11.4,12.4,15.3,17,17,14.3,9,7.3,6.3
1927,5.8,7,8.7,9.2,12.6,13.1,16.8,17,12.6,11.5,7.2,3.6
1928,6.3,7.2,6.8,10.1,13.7,13.6,15.2,16.1,13.7,11.3,8.1,5.5
1929,4,4.5,8.8,9.1,14,14.5,16.3,15.6,14.8,10.1,7.5,6.3
1930,5.5,3.8,6.4,10.4,13.3,16.9,15.7,16,14.1,10.7,7,6.4
1931,5.2,5.5,5.3,9.3,13,14.1,15.2,15.5,13,11,8.7,7.8
1932,8.1,6.9,7,8.8,12.3,16.5,16.1,16.3,13.5,9.7,7.8,6.7
1933,4.7,5.9,8.3,10.7,13.4,16.8,17.9,17.1,15.4,11.3,7.2,5.2
1934,6.9,7.7,6.3,8.7,12.8,15.9,18,15.7,14.1,10.7,7.2,8
1935,6.4,6.6,8.1,9.4,13.3,15.2,17,17.1,13.8,10.4,7.2,4.1
1936,4.5,4.8,7.4,9.1,13.4,16.1,16.1,16.6,14.3,11.4,7.7,6.9
1937,5.9,5.2,4.1,9.9,13.8,15.4,15.8,16.6,13.8,11,7.5,4.1
1938,6.3,6.6,9.7,10.9,12.6,14.3,14.7,16.5,13.9,11,8.4,5.3
1939,4.3,7.1,7.4,9.8,13.1,16.4,15.2,17,14.6,10.2,8.3,5.8
1940,2.9,4.5,7,9.8,14.4,18.3,15.4,16.3,12.9,10.3,7.7,6
1941,2.1,4.8,5.8,8.3,12.4,16.3,16.5,15.4,15.2,12,7.6,7.4
1942,4.6,4.7,5.5,11,13.3,15,15.8,16.1,13.2,10.6,7.9,8
1943,5.8,8.3,8.6,11.2,13.5,15.7,16.7,15.5,13.6,12,7.9,6.7
1944,7.5,6.2,7.9,11.4,12.8,14.8,16.7,17.7,13.4,10.7,6.8,6.1
1945,3.1,8,10,11.1,13.5,15.5,16.8,17.3,15.2,12.9,9.6,7.7
1946,5.9,7,7.7,11.4,14.3,15.1,15.8,15.4,14,10.6,8.2,6
1947,4.8,0.9,3.8,9.1,14.5,15.4,16.6,19.9,14.7,12.6,7.7,6.1
1948,4.7,6.4,10.4,11.1,14.1,14.9,16,15.2,13.8,11,9.6,7.5
1949,7,7.8,8,11,13.4,16.7,17.2,16.8,15.7,12.4,8.6,6.4
1950,6.4,5.8,9.1,9,14.1,16.6,16.5,16.6,13,10.8,6.4,3.4
1951,4.8,5,5.4,8.4,12.7,15.8,16.1,15.4,14.2,12.2,9,6.7
1952,3.9,6.2,7.5,11.5,14.8,14.4,16.4,16,12,10,5.8,5.3
1953,6.5,7.3,9.4,9.1,14.4,16.4,15.8,16.6,14.6,12,9.5,8.6
1954,5.5,4.5,7.4,10.8,13.6,15,14.5,15.2,13,11.3,8.2,7.5
1955,3.8,3.2,6.2,11.9,12.4,15.4,18.5,18.7,15,10.8,8.6,6.1
1956,4.8,4.6,8.2,9.9,13.9,15,15.9,14.2,14.2,10.9,8.5,7.6
1957,7.3,5.8,9.3,11,13.2,16.7,15.4,15.9,12.6,11.7,8.2,6.6
1958,5.3,5.3,4.7,9.7,13.1,15.2,15.9,16,15.7,12.2,9,5.8
1959,3.5,7.7,8.5,10.5,15.3,16.3,16.4,17.1,15.8,13.8,8.6,6.7
1960,5.8,4.9,7.5,11.3,15.4,17.2,16.2,16.1,14.4,11.5,8.1,5.4
1961,5.3,7.7,9.6,10.8,13.5,14.9,14.9,15.4,14.7,11.3,6.9,4.2
1962,6.2,6.8,4.7,10,12.3,15,15.9,14.9,13,11.8,7.2,5.9
1963,1.7,2.9,7.4,9.8,11.9,16.6,15.8,14.6,13.2,11.7,7.7,5.5
1964,6.9,6.4,6.9,10.5,14.1,14.6,15.3,15.1,14,10.7,8.5,5.6
1965,4.5,5.5,6.7,9.9,12.7,15.4,14.7,15.3,12.8,12,5.7,5.1
1966,4.2,5.1,7.7,8,12.7,15.9,15.5,15.6,14.2,10.6,6.3,5.9
1967,5.8,6.8,7.6,9.8,12.1,15.7,15.7,16,14.3,10.3,7.7,6.1
1968,5.6,3.8,7.5,10.4,11.3,16.3,16.1,17.3,14.4,12.1,7.7,5.9
1969,5.8,3,5.5,9.8,12.4,16.2,16.2,17,14.1,13.4,5.4,5.7
1970,5.2,4.3,5.8,8.2,13.6,17.9,14.1,16.3,13.6,11,7.3,6.4
1971,6.3,6.7,7.4,10.5,13.7,14.6,16.7,16.2,15.2,12.5,7.7,8.3
1972,5.3,6.3,7.7,10.1,12.9,13.4,16.2,15.2,13.2,12.5,7.2,7.1
1973,6.3,5.6,8.4,8.9,12.6,15.2,16.3,16.8,14.1,10.8,7.2,6.1
1974,7.4,6.8,7.6,11.4,13.2,15.7,15.1,16,12.7,9.8,7.2,7.9
1975,6.6,7.1,6.4,9.6,13.1,16.1,17,18.3,13.5,12,8.1,7.9
1976,6.5,6.5,6.9,10.8,13.1,16.5,18,18.7,13.9,10.9,7.4,4
1977,4.4,4.7,8,8.7,13.6,14.8,17.4,16.8,13.2,12.3,7,7
1978,4.3,3.4,7.4,9.1,14.9,15.2,15.4,15.6,13.6,12.2,9.3,5.7
1979,3,3.8,5.3,8.8,11,15.9,15.2,15.3,13.5,12.3,7.6,6.1
1980,4.6,6.4,6.2,11.1,15.2,15.5,15.7,16.3,14.7,9.8,7.6,7.1
1981,6.3,5.7,7.7,10.6,14.1,14.3,15.1,16.7,14.6,8.6,8.1,2.8
1982,4.2,6.8,7,10.7,13.6,16.8,17.6,16.1,13.5,11.3,7.8,5.8
1983,6.8,4.6,7.6,8.4,12.1,14.8,18.4,18.2,13.1,11.1,8.8,7.5
1984,3.5,6.2,6.3,11.3,13.4,15.5,17.2,18.5,13.2,11.3,8,7.2
1985,3,5.9,6.1,9.8,13,14.5,15.5,15,13.2,12,5.4,6.4
1986,4.9,2.3,6.8,8,11.8,16.3,15,14.4,13,11.2,8.5,6
1987,3.5,5.6,5.6,11,12.6,13.7,16,15.5,13.5,10,7.5,6.8
1988,5.1,5.8,6.9,10,14.8,16.6,15.3,15.4,13.5,10.9,7.9,8.5
1989,8.7,6.8,7.6,8.6,13.7,15.3,18.1,15.8,13.9,11.7,7.8,4.8
1990,7.1,6.5,9,9.9,14.3,15.3,17,16.8,13.2,11.8,7.5,6.3
1991,5.3,5.3,8.5,10.2,13.5,14.1,17.7,17.5,15,10.5,8.1,7.6
1992,7,7.7,7.9,10,15.2,17.3,16.2,15.5,12.9,9.3,7.6,5.7
1993,6.6,7.7,8.1,10.6,12.6,15.1,15,15.3,13.5,9.6,7.3,5
1994,5.7,4.4,7.2,9.3,13.1,15,16.9,15.9,13.3,11,10.6,7.3
1995,5.6,5.9,6,10.1,13.4,16.1,18.3,18.9,14,13.4,9.2,4.7
1996,6.3,5.7,5.9,10.3,11.7,15.6,16.1,16.6,15,12.1,6.7,5.3
1997,5.2,7.2,9,11.2,13.3,15,17.5,18.7,14.3,11.6,9.7,7.3
1998,6.4,8.8,8.1,9,13.8,14.7,15.6,16,14.5,10.3,7.7,7.5
1999,5.8,6,8,10.5,13.7,14.6,16.9,16.1,15.2,11.6,8.8,5.3
2000,6.3,6.7,8.5,9.2,14.5,15,16.2,17,14.9,11.3,7.6,6.2
2001,5.1,5.6,6.2,9.2,14.9,14.5,15.6,16.6,13.6,13,8.5,5.7
2002,7.1,6.5,8.2,11,14.1,15.6,15.3,16.9,14.9,10.1,9.1,6.1
2003,5.3,6.5,9.2,12.3,13.3,16.7,17.8,18.2,14.6,10.4,9,6.4
2004,5.7,6.6,8.1,10.9,14.5,15.9,16.2,17.7,14.4,10.6,8.8,7.2
2005,6.6,5.5,8.3,10.6,13,15.8,16.3,16.5,14.6,13,7.8,6.6
2006,6.3,6.5,5.8,9.8,13.5,16.8,18.7,16.2,15.8,12.6,8.3,7.8
2007,6.4,6.9,8.4,12.6,13.4,15.9,16.1,15.9,13.9,12.4,8.7,6.7
2008,6,7.7,7,9.9,15.8,15.6,17.1,16.5,14,10.1,7.5,5.5
2009,5.3,5.9,8.1,11.5,13.9,17,17.1,16.6,14.5,11.9,8.3,4.8
