1901,17.6,18.2,16.4,11.6,10.3,8.8,9.2,9.4,12,14.7,15.3,17.1
1902,17.5,19.9,17.4,14.4,11.9,10.9,9.7,7.5,12.4,13.1,16.6,17.8
1903,17.3,18.7,17.8,13,9.4,9.7,8.1,9.5,12.6,12.4,15.7,17
1904,16.9,17.3,17.5,13.9,8.5,7.9,9.2,9.4,11.9,12.7,15.6,16.2
1905,16.8,17.4,16.5,12.9,10,9.2,7.7,9.6,11.8,15.4,14.8,16.9
1906,18.6,18.8,17.4,13.8,12.1,8.8,9.1,10.2,10.7,14.1,15.7,16.5
1907,17.7,18.7,18.3,13.9,8.5,8.6,7.9,8.6,11.9,13.1,15.4,18.2
1908,17.9,17.7,16.4,13.6,10.2,9.8,9.4,8.3,11.5,13.2,15.4,17.2
1909,18.5,18.2,16,13.6,7.8,8,8.7,11.4,11.7,12.7,14.6,15.4
1910,18.8,17.5,16.4,14.7,9.4,10,7.5,10.7,11.1,12.7,15.6,16.7
1911,19,18.5,15.6,13.4,10.8,6.9,7.5,8.9,10.7,12.6,16.5,17.8
1912,18.7,19.7,17.6,14,11.5,10.2,7.1,9.9,10.1,13.6,16.4,17.8
1913,16.5,18,16.3,14.1,10.6,7.6,10.3,9.6,11.3,13.5,15.5,16.1
1914,18.5,17.9,17.3,14,9.9,11.4,11.3,9.6,11.4,13.7,15.5,15.9
1915,18.2,19.9,15.4,15.4,12.3,6.2,7.7,10.4,10.5,12.8,14.2,16.4
1916,17.8,16.5,14.8,13.5,10.6,8.1,6.1,8.7,12.5,12.7,15.6,16.3
1917,18.5,17.7,15.8,11.9,8,7.4,6.3,7.6,11.5,12,13.5,16.9
1918,17.9,16.7,15.6,12.7,9,7.4,6.8,8.5,10.5,12.8,15.4,16
1919,17.8,16.9,16.7,14.1,12.4,9.2,9.4,8.3,8.4,12.7,14.4,16.8
1920,18.5,18.4,17.4,14.8,10.5,8.2,6.9,8,10.9,13.7,16.2,17
1921,18,18.1,16.5,12.8,11.8,6.5,6.7,10.2,10.7,13,14.7,18.5
1922,18,17.7,16.4,13.7,10.1,7.7,9.6,10.3,11.5,11.3,15.7,16.7
1923,18.4,18.5,17.8,15.1,8.6,8.8,6.5,10.2,11.4,12.9,15.2,17.8
1924,17.3,17.7,17.4,12.6,9,9.1,7.6,7.9,10.2,11.8,13.9,17.7
1925,18.1,19.5,17.1,14.6,10,6.8,6.3,12,11.7,12.7,15.7,17.9
1926,18.9,18.4,18.7,14,9.5,10.4,7.8,10.8,12.9,14.1,16.4,17.5
1927,18.6,19.1,17.7,13.9,10,8,8.3,9.6,11.5,13.3,15.7,16.5
1928,18.7,18.5,17.2,15.4,10.4,8,8,9,10.7,13.5,16.3,17.6
1929,19.1,18.6,16.8,13.6,9.6,7.8,8.2,9.3,11.1,13.8,15.6,17.7
1930,18.4,18.2,17.2,14.5,11.4,12.3,8.1,9.5,10.7,12.9,15.3,17.3
1931,19.5,19.5,18,13.4,8.8,7.2,8.9,10.5,9.9,13.7,14.9,18.2
1932,18.9,18.8,17.7,14.9,9.7,8,11.2,8.5,11.9,14.5,16.7,17.1
1933,17.3,19,17.7,14.5,11.5,8.1,6.1,9.6,11.7,14.5,15.3,17.6
1934,18.8,17.1,18.4,12.2,11.7,11.2,8.2,9.8,11.6,12.7,15.6,16.7
1935,18.9,19,19,12.5,7.5,11.2,8.4,9.6,10.3,12.3,15.1,17.1
1936,18.6,18,17.9,13.5,13.7,11.1,8.6,7.9,11.8,13.9,15.4,17.4
1937,17.5,18.4,16.4,12.6,9.4,10.6,8.1,11.6,11.2,12,14.4,16.5
1938,18,17.9,18.1,12.9,10.5,10.6,9,9.2,12,12.9,15.4,17.2
1939,18.1,18,17.1,12.7,11.5,10.8,7,11.5,11.5,15.3,14.1,15.5
1940,17,16.4,15.4,13.9,13.4,10.8,11.8,8.6,11.9,12.1,14.8,18.7
1941,19,18.3,15.6,16.9,12.5,8.5,8.3,10.9,7.7,13.5,15.4,16.7
1942,18.4,18.7,17.2,13.7,9,6.7,4.9,10.7,10.9,12.6,15.7,16.8
1943,19.5,18.4,17.2,12.8,12.3,10.4,9.9,6.2,11,15.3,16,16.8
1944,18.5,19.3,16.9,12.5,11.7,10.1,8.5,12.2,14.1,17.1,15.5,19.5
1945,19.5,19.9,17.9,14.5,9.2,7.6,9.1,13.5,12.6,16.4,16.4,17.1
1946,17.6,19.3,16.9,13.3,11.9,8.6,6.5,12,14.2,14.5,17.5,17.1
1947,19.4,20,17,14.4,12,10.9,7.1,9.6,11.9,13.1,16.5,17.6
1948,20.8,18.5,16.8,14.5,10.9,11.1,9.6,8.7,12.9,14,15.5,18.6
1949,19.1,19.1,18.7,13.1,11.4,11,9.5,10.5,12,13,17.3,18.1
1950,18.2,18.2,16.4,15.1,13.6,10.3,8.9,12.4,12,13.7,15.7,17.9
1951,18.8,17.8,16.3,13.3,11.9,10,9,9.6,12.4,14,16.7,17.3
1952,19.6,18.6,18.4,11.3,12.8,7.8,9.7,12,11,13.1,16,17.9
1953,19.7,19,19,13.1,12.4,10.3,5.3,12.2,14.3,14,16.1,18.6
1954,19,19.6,17.5,14.7,10,11.1,8.7,11.5,12.2,13.2,18.2,17.4
1955,19.6,20.9,17.4,14.6,10.5,9.7,5.4,9.8,12.5,12.8,16.4,18.5
1956,18.6,19.4,17.4,12.8,7.8,8.2,8,9.7,13.1,14.9,16.2,18
1957,19.1,17.6,17.8,13.5,13.3,9.8,7.6,10.5,10.7,16,16.9,18.7
1958,20.5,20.2,17.6,13.9,11.2,11.4,11.5,9.3,11.4,14,16.1,17.6
1959,19.3,19.3,17.7,14.7,10.8,9.7,11,9.7,13,14.9,16.5,17.1
1960,19.8,18,17.1,13.8,8.6,9.6,10,10.3,11.9,15.4,15.8,18.6
1961,19.7,20,17.4,14.6,12,11.1,10,12.1,13.7,15.8,17.3,18.6
1962,18.1,16.8,17.5,14.1,9.9,7.7,6.3,8.4,12.7,12.6,16.4,19.6
1963,20.1,19.8,19.2,14.6,11.9,8.9,10.9,11.4,14.4,16.2,17.1,18.3
1964,19.7,19.1,18.2,16.4,11.6,7.6,6.1,10.8,12.3,13.3,15.2,16.9
1965,18.6,18.9,15.6,14,11.4,12.6,8.8,11.5,12.6,14.8,17.1,18.7
1966,19.1,18.9,17.1,15.3,11.5,10.3,9.8,8.4,10.5,14.3,17.3,18.8
1967,17.8,18.5,16.4,13.4,12.5,7.3,9.8,12,13.8,16.7,16.1,17.9
1968,18.1,18.2,17.3,9.8,6.4,9.9,9.4,10.4,9.8,14.4,18.6,18
1969,18.2,20,17.2,13.9,11.8,8.9,8.7,8.6,12.2,12.5,17,16.9
1970,18.5,18.9,18.5,15,12.1,9.8,8.7,9.4,10.8,14.1,13.1,16.4
1971,18.4,18.8,16.5,11.7,9.2,8.5,8.4,11.6,12.1,12.6,14.7,16.2
1972,17.6,16.9,16.5,11.6,12.3,12.6,9,10.2,12.1,12.9,15.9,16.9
1973,19.7,20,17.3,16.6,11.4,10.6,9.7,8.3,11.1,13.8,13.9,16.9
1974,19.1,18.9,17.3,12.9,11.7,7.1,8.4,8.6,10.2,11.3,13.3,16.7
1975,17.3,18.5,17.6,13.7,10.6,9.7,6.7,11.2,12.5,12.5,15.2,17
1976,19.2,17.3,15.3,11.7,10,7.5,8.2,8.6,9.9,12.7,14.9,16.7
1977,19,20.1,18.2,12.6,11.1,10.4,12.7,10.2,12.7,15.9,15.8,18.3
1978,19.4,19.1,17.9,10.6,7.7,9.2,11.1,8.7,12.2,14.8,15.9,18.1
1979,17.6,18.4,17,13,9.3,7,8.4,12.3,10.5,15,14.9,17.7
1980,17.4,19,19.2,15.7,13,8.4,7.2,10,8.6,13.8,15.8,17.6
1981,19.2,19.3,16.2,14.3,13.5,7.4,7.4,9.1,12.1,13.6,16.7,16.3
1982,17.5,18.3,17.3,14.5,10.9,10.2,10.4,12.7,13.3,14,15.6,16.9
1983,19.5,19.2,15.9,15.5,13,7.7,10.1,10.3,9.5,14.5,15.5,18.2
1984,19.9,20.6,18.1,13.4,12.7,10.5,9.8,8.4,11.4,16.5,16.4,15.8
1985,18.3,19.7,17.2,15.3,10.7,8.9,8.8,11.4,12.8,14.6,17.6,18.9
1986,19.3,18.4,17,16.4,12,11.9,9.2,11.6,11.9,13.6,17.4,18.1
1987,19.1,18.1,16.9,15.8,9.3,7.6,12.4,9.3,10.5,14.1,17,16.8
1988,19.3,17.6,18.7,13.5,9.3,7.4,6.2,10.8,13.2,12.5,15.8,17.5
1989,17.9,18.3,16.8,14.8,10.7,9.5,6.7,9.9,10.5,13.1,15.6,18.9
1990,18.7,18.4,18,16.4,10.3,8,7.1,10.1,10,16.6,18.8,17.2
1991,18.6,17.6,18,14.7,13.1,10.3,8.5,11,14.1,14.8,16,18.5
1992,17.9,19.9,18.1,14.4,12.5,12.5,6.7,8.9,11.7,14.1,15.4,18
1993,19.4,18.3,18.1,15.6,11.4,9,8.4,8.7,10.9,15.4,15.8,18.5
1994,18.5,18.8,16.3,14.5,15.6,12.6,10,10.8,12,16.1,15.9,19.1
1995,18.7,18.2,17.2,13.1,10.2,10.3,12.2,11.4,12.7,12.8,17,17.8
1996,19.3,19,17.3,15.6,12,7.9,6.4,12,11.2,14.2,17.1,18.2
1997,19.6,19.4,16.4,13,11.3,9.9,11.4,11.4,13.4,15.8,17.8,19.5
1998,20.2,19.6,17.4,15.3,11.2,9.3,11.1,11.4,11.3,15.4,16.5,17.2
1999,18.9,19,19.3,14.3,10.6,9.2,9.7,10.1,13.7,14.5,15.7,18
2000,19.7,18.6,17.5,15.3,10.7,12,5.5,10.3,12.5,16.1,16,18.2
2001,20.2,20.4,19.2,17,11.3,10.2,9.7,12.9,13.8,15.9,17.2,17.9
2002,19.2,18.6,20.9,16.8,14.1,11.1,10.6,11.4,11.7,17,17.2,19.2
2003,20,20.5,18.4,14.1,11.9,13.1,9.9,8.6,11.7,15.2,16.3,17.7
2004,16.6,17.3,16.2,16.8,10.3,10.6,9.1,10,14.4,14.2,15.9,17.5
2005,19.4,19.2,17.7,15.7,13.7,10.8,8.8,11.9,9.8,15.6,16.5,18.1
2006,20,18.6,18.4,14.5,9.1,10.1,11.8,10,11.4,16.9,16.6,19.5
2007,19.9,19.5,18.7,16.8,9.6,10.9,6.9,9.8,14.4,17.3,15.5,18.2
2008,18.5,18.4,17.7,14,10.2,9.1,11.6,11.3,10.4,15.5,16.7,18.4
2009,18.6,19.7,18.7,15,13,7.5,6.5,11.3,12.7,15.1,19.3,19.4
