1901,18.1,18.2,17.7,15.2,11.3,7.8,7.3,10.3,14,16.8,17.3,17.5
1902,17.6,17.9,16.9,15.8,11,7.8,7.7,10.2,14.8,16.2,17.6,18.1
1903,17.8,18.1,18,16.3,11.8,7.8,7.5,10.3,13.6,16.5,17.5,17.6
1904,17.3,17.5,16.8,14.8,10.9,8.1,7.2,10.1,13.7,16.7,17.8,17.4
1905,17.8,17.8,16.8,14.8,10.8,7.9,7,10.3,14.5,17.3,17.6,18.1
1906,18,17.4,16.8,15,11.1,7.8,7.2,9.9,14.1,16.3,16.9,17.6
1907,17.3,17.6,16.8,14.4,11,7.5,6.6,9.5,14,16.4,17.3,17.3
1908,17.4,17.5,16.8,14.6,10.7,8.2,7.3,10.5,14.7,17.1,17.2,17.7
1909,17.4,17.6,16.4,13.7,10.9,7.3,7.4,10.3,14.1,16.6,17.2,17.9
1910,17.4,17.7,16.5,14.3,10.5,7.7,7.2,10.2,14,16.3,16.7,17.6
1911,17.2,17.5,16.7,14.7,10.7,7.1,6.9,9.9,13.7,16.9,17.6,18.5
1912,17.5,18.1,16.8,15.8,11.7,7.5,7,9.8,14,16.4,18.2,17.9
1913,18,18.1,16.8,15.2,11.1,7.5,7.6,10.2,14.3,16.8,17.4,18.5
1914,18,17.6,17.3,15.5,11.1,8,7.1,9.8,14.8,17,17.6,17.7
1915,17.5,17.5,16.3,15.2,10.7,7.7,7.7,9.9,14,16.6,17.5,17.9
1916,17.5,18.2,17.4,14.5,10.7,7.9,7.5,9.8,14.3,17.1,17.3,17.5
1917,17.3,17.8,16.9,14.9,11.3,8.1,7.4,9.9,14.1,17.1,17.7,17.2
1918,16.6,17.1,16.3,13.4,9.7,7.9,7.9,8.9,13.6,16.2,16.3,16.9
1919,16.9,17.3,16.5,15.3,9.5,7,7.9,9.4,14.1,15.7,17,17.2
1920,18.5,17.8,16.8,14.3,10.9,7.7,7.3,9.4,14.2,15.7,17.3,18.5
1921,18.4,18.1,17.1,15.2,10.9,8.1,7,9.6,13.9,16.4,16.9,17.5
1922,19.2,18.6,18,15.3,11.8,9.2,7.7,10.8,13.9,14.4,17.2,18.6
1923,16.8,17.6,16.6,14.6,11,8.8,7.5,11.3,12.2,16,17.9,18.4
1924,18.6,17.9,17.9,14.2,10.9,9,7,9.6,13.8,16.1,17,17.3
1925,17.6,17.2,17,15.4,10,8.8,7.2,9.4,12.4,15.6,17.3,18.1
1926,18.2,18.2,17.1,15.5,10.7,8,6.7,8.7,14,15.9,17.3,17.5
1927,17.8,17.6,17.1,15.1,10.1,7.2,6.9,9,13.9,15.7,17.3,17.9
1928,18.2,18.5,17.9,15.3,10.2,8.6,6.3,9.3,15.3,17.3,18,18.4
1929,17.9,18.2,16.9,14.4,11.4,8.5,7.4,10,15,18,18.4,17.5
1930,17.8,18.4,17.2,15.3,9.7,7.2,6.8,9.5,13.2,16.4,18.2,18.1
1931,18.4,19.1,18.6,16,12,8.1,7.5,10.1,13.9,16.8,15.7,17.2
1932,17.9,18.2,16.7,15.6,11.1,7.1,5.7,8.7,14.3,17.1,17.7,18
1933,17.7,17.9,17.8,15.6,10.9,8.7,8.1,10.1,13.4,16.7,17.1,17.3
1934,17.9,18.4,17.4,15.3,12,9.4,8.9,11.3,13.9,16.4,17.7,18.1
1935,18.2,17.6,17.4,14.8,11.8,7.2,7.4,8.2,14.5,17,17.6,18.3
1936,17.8,19,16.6,13.9,10.3,7,7.2,9.5,12.7,17,17.1,17.6
1937,18.2,18.4,17.1,14.8,9.9,6.6,6,8.6,12.6,14.5,16.6,15.9
1938,17.8,18,17.1,16.2,11.7,7.7,7.3,10.2,14.3,17.2,16.2,17.3
1939,18.5,19,18,15,12.9,8.5,8.8,11.3,13.9,16.6,17.1,17.5
1940,18.1,18.7,18.4,16.3,11.1,9.1,8,11.6,15.9,16.4,18.2,19
1941,18.9,19.1,18,16.4,11.9,9.5,8.6,11.3,15.1,18.1,18.3,17.8
1942,18.9,19.1,18.5,15.7,11.9,9.8,8.1,12,16.4,17.2,18,17.7
1943,18.6,18.3,18,16.2,11.9,8,8.5,11,15.5,18.6,18.1,17.9
1944,18.1,18.8,17.7,15.8,10.6,9.3,8.5,11.1,15.1,17.4,17.7,18
1945,18.1,18.3,18.2,15.4,11.5,6.6,8,10.4,15.1,17.7,18,17.4
1946,18.6,19.1,17.8,15.3,11.6,7.8,6.5,8.8,14.2,17.2,17.4,17.1
1947,17.6,17.9,17.5,15.2,11.2,7.5,5.3,9.6,14.3,16.1,17.2,17.3
1948,17.4,17.7,17.2,14.7,12.1,7.6,7.8,9.9,13.5,16.6,17.1,17.3
1949,18.5,17.8,18.4,15.8,13,9.1,8.8,11.6,15.7,18,18.6,18
1950,17.5,18.1,18.1,15.9,11,8.1,9.7,10.4,14.7,17.3,18.7,17.9
1951,18,17.4,17.8,15.8,12.2,7.6,7.5,10.4,14.2,17,18,18.4
1952,18.5,18.5,17.7,16.3,11,9.5,8.4,11,15.2,17.1,17.6,18.2
1953,18.4,18.6,17.8,16.1,11.9,6.3,6.8,9.9,12.2,16.6,17.8,18.1
1954,17.9,18.5,17.9,15,11.3,6.3,5.4,9.6,14.6,16.8,17.9,17.9
1955,17.7,18.2,18.3,16,12.6,9.6,7.3,9,13.7,17,17.7,18
1956,17.6,17.9,18.2,16.9,11.1,8.1,7.4,9.9,13,15.9,17.7,17.4
1957,18,18,18.1,15.1,10.7,7.6,8.5,10.5,16.5,16.4,17.7,18.3
1958,18.8,18.8,18,15.8,11.3,8.4,7.1,8.9,15.5,16.6,17.7,18.3
1959,18.1,18.7,17.5,15.2,11.2,8.6,9.1,9.2,13.6,15.9,17.3,18.3
1960,17.9,18.2,17.7,15.8,11.5,10,6.9,11,14.7,16.1,17.8,18.6
1961,17.7,17.9,18,16.1,12.1,7.9,9,8.8,14.6,17,17,17
1962,17.7,18.3,17.7,15.7,9.6,6.8,7.9,10,13.8,15.8,17.4,17.4
1963,17.5,17.9,17.2,14.4,9.5,6.4,7.3,9.2,14.7,16.4,17,17
1964,17.6,18.4,17.4,13.4,10.5,5.4,5.5,10,14.8,16.1,16.1,16.9
1965,17.4,17.2,16.6,13.2,9.2,7.5,6.8,9.9,14.9,15.8,17.6,16.9
1966,17.2,18,16.8,14.9,10.9,9.2,7,10.3,14.1,16.3,17.2,17.1
1967,17.3,17.6,17.4,15.7,11.1,9,6.6,10.1,13.9,16.7,16.6,17.6
1968,16.9,17.5,17,14.2,10.8,5,6.8,10.3,14.3,15.8,17,16.9
1969,17.6,18,18.2,15.4,11.3,6.9,7.9,11.4,13.8,16.4,16.9,17.4
1970,16.8,18.3,15.2,14.7,10.7,7.7,7.5,10.4,14.6,16.2,17.1,17
1971,17.4,17.8,16.6,15,10.6,7.9,7.7,8.8,13.9,16.1,16.7,17.4
1972,17.3,16.9,17.2,15.6,11.5,6.3,7.2,8.8,14.7,16.7,15.8,17.3
1973,18,17,17.7,15,11.2,7.9,7.8,10.2,14.8,16.9,16.9,17.2
1974,17.1,17.6,17.1,14.6,10.8,6.8,7.1,10.4,13.7,16.4,17.4,18
1975,16.9,17.3,17.5,15.1,12,8.8,7.2,9.8,14.5,15.5,17.2,17.5
1976,17.5,17.3,17.7,15.9,10.9,7.7,6.6,8.2,14.2,17.3,17.3,17.9
1977,17.5,18,17.4,15,10.8,7,8,10.3,15.1,17.7,16.8,18.5
1978,17.9,17.7,18.2,16.3,10.6,8.3,6.9,10.7,14.6,16.4,17,17.5
1979,16.7,17.1,17.7,14,10.3,7.1,6.7,10.3,13.5,17,17.8,17.4
1980,16.7,17.5,17.2,15.3,10.5,6.2,7,10.1,14,16.6,17.2,17.4
1981,17.4,18,18,14.8,10.3,7,6.8,11,13.3,16.5,17.9,17.6
1982,17.8,18.1,17,15.8,9.9,8.6,7.8,10.7,15.4,17.2,17.7,17.5
1983,17.6,17.9,17.7,15.3,10.5,8.7,9,8.9,12.4,17.5,17.9,20.5
1984,17.5,17.7,17.3,14.8,12.1,9.1,7.1,10.3,15.5,17.6,17.6,18
1985,18.2,18.8,18.3,15,11.3,7.4,8,10.4,15.4,17.4,17.9,17.8
1986,17.9,17.6,17.6,15.4,12.2,8.3,6.4,10.5,14.7,16.9,17.4,17.7
1987,18,18.1,17.7,14,12.4,7.3,7.1,11.8,16.3,17.8,18.7,18.5
1988,18.3,18.2,17.9,16.4,11,9.3,7,10.6,14.2,16.4,17.3,17.3
1989,18,17.4,17.1,15.6,10.5,7.8,6.7,10.9,13.4,16.1,17.4,17.9
1990,17.7,17.2,15,15.9,13.3,9.8,7.3,10.7,14.7,17.5,18.3,17.5
1991,18.5,17.9,17,14.2,11.9,7.6,6.8,9.6,13.2,16.6,17.6,17.4
1992,17.4,18.1,17.8,15.2,11.9,8.8,8.4,10,15.8,17.4,17,17.3
1993,17.6,17.4,17.1,15.6,12.2,8.4,8.3,10.8,13.7,18.3,17.6,18.4
1994,17.8,19.2,18.7,13.7,12.4,7.9,7.3,11.2,15.5,18,19.7,18.3
1995,19.4,17.9,18,14.9,12.9,7.6,7.8,14,15.3,18.9,19.6,18.5
1996,18.2,18.5,15.9,15.4,11.8,7.5,7.5,11.8,15.8,19.4,19.4,19.1
1997,18.1,18.2,18.4,15.8,11.4,10.1,8.9,11.6,16.2,17.6,19.1,19.6
1998,18.8,19.3,18.6,16.4,12.5,9.3,9.3,12.1,15.5,18.7,18.7,17.8
1999,17.3,18.2,17.3,15.2,12,8.7,8,10.9,13.9,16.6,17.5,18.5
2000,18.2,18,17.6,13.3,12.7,10.2,8.2,10.6,15.3,17.5,16.3,17.4
2001,17.9,18.3,18.3,16.4,12.9,7.9,7.5,12,15.6,16.8,17.3,18.8
2002,18.2,18.5,18,16.4,12,9,9.5,12,14.3,17.2,19.2,18.6
2003,18.7,19,18.4,15.6,11.9,10.6,7.6,11.1,15.3,18,18.5,18
2004,18.2,18.3,18.9,16.9,10.8,7.6,7.1,10.8,14.8,16.7,17.3,18.1
2005,19.2,18.7,19.3,17,13.2,10.6,9.3,11.9,13.4,18.4,19.1,17.9
2006,17.1,17.5,17.2,15.1,10.9,7.8,7.7,10.5,14,17.3,17.4,17.6
2007,17.4,17.8,17.3,15.3,11.1,7.9,7.3,10.2,14.6,16.6,17.5,17.4
2008,17.5,17.4,17,15,11.2,7.6,7.5,10.3,14.5,16.9,17.6,17.7
2009,18.8,18.6,17.3,14.6,11.1,8.1,7.3,13.5,14.8,17,17.4,19.3
