1901,17.6,18.3,16.6,13.2,11.4,9.1,10.4,10.1,11.8,14.5,14.9,16.4
1902,17.4,19.5,18,15.5,13.2,11.4,11.5,9.1,12.9,13.5,16.7,18.3
1903,16.9,18.8,18.8,14.4,11.1,11.2,9.7,10.7,12.5,12.6,15.7,17.9
1904,17.1,17.7,18.2,14.5,10.1,8.5,10.1,10.5,12.6,13.1,15.5,16.6
1905,17.1,18,16.3,14.6,11.9,9.6,9.7,10.5,12.7,16,15.1,17.3
1906,17.6,17.7,16.8,14.5,13,10.2,10.1,11.6,11.4,14.3,15.1,16.9
1907,17.1,18.3,18.4,14.7,9.8,9.6,8.7,9.6,12.6,12.9,14.8,17.8
1908,17.3,17.5,16.3,14.6,11.6,10.4,10.4,9.2,12,13,14.9,16.9
1909,18.2,19,16,14,9.6,9.3,10.3,11,11.8,12.6,14.8,15.3
1910,18.8,17.9,17.2,15.7,10.3,10.9,8.8,11.2,11.5,12.4,14.9,16.4
1911,18.6,18.7,15.7,14.4,12.4,8.3,8.7,9.6,11.3,12.5,16,17.5
1912,18.3,19.6,17.3,14.9,13.4,10.9,8.1,10.4,9.8,13,15.9,17.3
1913,17,18.7,17.7,15.1,12.6,9.4,10.4,10.8,12.3,14.3,15.5,16.6
1914,19.1,18.1,17.2,14.9,11.4,11.8,12,11,12.6,14.5,16.4,16.5
1915,18.7,20.1,16.8,16.9,13.9,8.6,8.9,10.8,12.3,13.1,14.5,16.2
1916,18.6,17.2,15.5,14.3,12.2,9.8,8.9,9.8,13,12.8,15.5,16.7
1917,17.3,17.9,16.5,13.4,8.7,8.2,7.6,8.2,11.6,12.3,12.8,15.4
1918,17.3,17,15.7,13.7,10.8,8.8,7.7,8.5,10.4,12.5,13.9,15.1
1919,16.3,16.7,16.4,14.4,13.4,10.4,10,9,9.4,12.2,13.6,15.7
1920,18.4,18.6,16.9,15.4,11.4,9.4,10,8.5,11.1,14,15.1,17.2
1921,17.6,17.8,17,13.3,12,7.8,7.4,11.4,10.9,12.6,13.4,17.2
1922,17.3,17.2,16.9,14.4,11.5,9.4,10,10.9,12,12.2,14.3,16.4
1923,17.4,18,17.4,15.6,11,9.5,8.2,10.5,11.2,12.6,14.4,17.5
1924,16.7,17,17.5,14.1,11.5,10.1,9.1,8.6,11.1,11.5,13.6,16.5
1925,18.3,19.1,16.9,15.9,11.5,8.1,7.2,11.6,12.1,12.8,15.1,17.1
1926,17.7,16.8,17.6,14.8,10.9,10.7,8.7,10.9,12.9,13.5,15.3,17.3
1927,17.8,18,17.6,14.8,10.9,9.6,8.7,9.8,11.5,12.5,15,16.2
1928,17.3,18.5,17.6,16.2,11.7,9.7,9.8,9.7,12,13.1,15.3,17.3
1929,17.9,18.2,16.6,12.9,10.5,9.3,9.9,9.9,12.4,13.7,14.1,17.4
1930,17.8,17.8,16.7,14.2,12.7,11.3,9.3,10.8,10.9,12.9,14.4,16.8
1931,18.8,17.9,17.4,14.3,11.2,8.8,10.2,10,10.8,13.1,14,17.4
1932,17.3,19,18,15.6,11.9,9.7,10.9,9.6,12.7,14.7,15.9,16.6
1933,17.5,18.5,16.2,13.5,12.1,8.1,8.3,10.2,12,13.2,13.8,16.2
1934,17.7,17.6,17.7,14.4,12,10.8,9.6,10.5,11.8,13.2,15,16.4
1935,17.4,18.5,17.9,13,10.9,10.9,10.4,10,11.1,13.2,14.6,17.5
1936,17.9,17.1,16.7,14.9,14.3,11.9,10.9,9.8,11.6,13.9,14.8,17
1937,15.8,18,17.6,13.5,10.5,10.2,11,11.8,12.2,12.6,13.8,15.3
1938,18.3,17.6,17.9,14.4,11.3,10.1,9.7,9.5,12.2,12.9,14.5,16.6
1939,17.2,17.8,17.5,13.6,12.8,10.2,8.5,11.9,11.6,14.3,14.4,16.1
1940,18,17.1,17.1,14.5,14,11.3,12.2,10.3,11.9,12.6,14.4,18.9
1941,18,18.3,16.1,17,12.7,9,9,11.2,9.3,12.9,14.2,16.1
1942,17.7,17.7,17,13.5,11.1,8.5,6.6,10.3,11.1,12.2,14.2,15.3
1943,16.6,17.2,17.1,13.1,12.8,11,10,7.9,10.1,13.6,14.4,15.4
1944,17,17.1,17,12.9,11.6,9.8,8.6,11.6,13,16,13.8,16.9
1945,17.2,18.1,16.8,14.1,9.9,8,9.9,12.3,11.4,14.1,15.1,16
1946,17,18.4,16.3,13.5,12.8,9.5,8,11.1,13.4,13.8,15.5,16.1
1947,17.9,19,16.2,14,12.7,10.7,8.4,9.8,10.9,11.3,13.8,15.2
1948,18.3,17.9,16.3,14.3,11.9,10.4,10.4,8.8,12.8,12.9,14.7,16.8
1949,17.7,17.7,18.7,13.7,11.8,11.6,10.4,10.7,11.4,12.8,15,16.6
1950,17.4,17.8,17,15.4,13.2,10.5,9.7,11.7,12,12.7,14.4,16.7
1951,17.6,17.7,16.6,11.9,11.9,9.9,9.4,9.7,12.8,12.8,15.1,15.7
1952,18.3,17.7,18,12.8,13,9.2,9.9,11.9,10.9,13.1,15.2,17
1953,18.5,17.6,17.9,13.7,13,10.1,7.6,10.8,13.2,13.2,14.7,16.6
1954,18.4,18.5,17.3,14.5,11.4,10.9,9.7,11.8,12.2,12.7,15.1,16.3
1955,18,19,17.1,14.4,11.3,9.2,8.2,9.9,12.4,12.4,14.6,17.4
1956,19.2,18.6,17.1,13.7,10.1,9.3,9.2,9.9,12.8,13.9,14,16.3
1957,18.3,17.3,17.8,14.1,13.3,10.2,9.4,10.6,11.4,15,15.4,18.2
1958,19.6,19.1,17.3,14.4,12.2,11.3,12.5,11.8,11.8,13.9,16.1,17.6
1959,18.7,19.2,17.7,17,12.6,9.8,11.9,11.2,13.6,15.1,15.8,17.5
1960,18.1,17.6,17.9,14.3,10.4,10,10.6,11.4,12.8,15.4,15.8,17.6
1961,18.5,19,17.5,15.3,12.7,11.4,11.3,12.6,14.1,15.9,16.5,17.5
1962,17.4,17.1,17.7,14.4,11,8.9,9,10.1,12.1,12.4,15.2,17.1
1963,18.7,18.6,19,14.8,12.2,10.3,11.4,11.5,14.6,14.4,15.9,16.6
1964,17.8,18.4,17.3,15.7,12.7,9.1,7.8,11.3,12.4,13.2,14.4,16
1965,17.5,19.1,16,14.8,11.9,12.6,9.8,11.7,12.9,13.6,15.8,17.8
1966,18.7,18.9,17.9,15.3,13.2,11.3,11.6,9.6,11.3,13.2,15.5,17.5
1967,17.5,18,16.9,15,14.3,9.9,11.1,12.4,13.3,16.2,15.4,16.1
1968,17.5,16.9,17.3,12.1,9.7,10,10.4,11,11.4,13.8,17.1,16.9
1969,18,18.8,17.3,14.8,12.6,10.8,9.7,10.4,12.5,12.1,15.8,16.2
1970,17.9,18.8,18.1,15,13.5,11.2,10.2,10.4,12,13.6,13.9,17.1
1971,18.5,19.2,17.7,13.3,10.8,9.2,9.2,11.1,13,13.6,14.5,16.7
1972,17.8,17.3,17.6,13.2,13.7,12.2,9.6,11.2,12.1,13.3,15.7,17.6
1973,19,19.9,17.6,17.3,12.8,11.9,11.6,10.1,11.9,13.3,14.4,17.6
1974,19.3,19.3,18.6,14.7,13.5,9.2,10.5,10.5,12.2,13.1,14.4,16.5
1975,17.3,18.7,18.1,14.7,12.2,10.7,8.2,11.9,12.9,13.2,14.8,17
1976,19,18.1,16.4,13.9,12,9.7,9.5,10.2,11.3,12.9,15.1,17.3
1977,18.9,20.1,18.2,14.3,12.6,11,13.3,11.8,13.8,15.2,15.7,17.2
1978,18.5,18,18,12.7,9.6,9.7,11.8,10.4,12.6,14.9,15.5,17
1979,16.2,18.5,16.6,14.1,11,7.9,8.9,12.3,11.6,14.7,14.8,17.3
1980,17.5,18.2,19.2,16.1,13.9,9.2,9.5,10.4,10.2,13.7,14.9,18
1981,18.4,19.3,16.9,14.9,14.4,9.8,9.4,11.4,13.1,13,16.4,16.6
1982,16.8,18.7,17.5,14.6,12.2,12.1,10.9,12.6,13.5,13.7,15.8,17.3
1983,19.3,19.2,16.9,15.6,13.9,9.1,10.7,11.4,10.8,14.4,16.7,18
1984,20,20.9,18.2,14.8,14.3,11.4,10.6,9.3,12,14.9,15.5,16.2
1985,17.4,19.4,18.5,16.1,12.1,10.4,10.3,12.8,13.2,15.1,16.1,18
1986,19.1,18.8,17.9,16.6,12.7,12.3,10.3,12.3,12.9,14,16.5,18
1987,19.1,19,17.7,16.7,10.9,8.3,12.6,10.1,11,13.8,16.3,17.8
1988,19.5,18.1,18.8,14.6,11.4,8.6,8.4,9.9,12.8,13.3,15,17.3
1989,18.3,19.1,18.1,16.4,12.4,10.8,8.5,11.2,12.6,12.6,15.4,17.9
1990,18.6,19.2,18.5,17.1,11.7,9.4,9.1,10.7,11.4,15.9,18.2,17.3
1991,17.7,18.1,17.8,15.7,14.2,11.1,10.1,11.5,13.3,14.7,16.2,18.7
1992,18.4,19.8,18.6,15.7,13,12.4,8.8,10,12.3,14.3,15.2,17
1993,19.2,17.4,17.9,16.3,12.8,9.7,10.2,9.2,11.4,15.4,14.6,17.2
1994,17.6,19.2,17,15.2,15.1,10.3,10.4,10.5,13.5,15.2,16.3,18.9
1995,18.9,18.4,18.5,17.1,12.8,10.1,12.5,12,12.5,13.1,16,18.2
1996,19.1,19.3,18.3,16.3,13.2,9.7,8,11.2,12.1,15,16.5,19.2
1997,18.8,19.5,17.1,14.9,12.7,10.8,11.8,12.2,13.5,14.6,16.7,19.2
1998,19.2,19.4,18.2,16.1,12.7,9.7,11.1,12.5,12.7,14.4,15.2,17.9
1999,18.8,19,19.3,14.7,12,9.8,10.5,11,12.8,13.2,14.4,17.5
2000,19,18.4,17.4,16,12.5,12.4,7.7,9.8,12.2,15.7,15.9,18.3
2001,20,20.5,20,17.3,12.6,11.6,10.4,13.2,13.4,15.5,16.4,17.5
2002,18.9,18.3,20.5,17,14.8,12,12.4,12.8,11.9,16.9,17.2,18.6
2003,19.4,21.1,19,15.9,12.8,12.6,11.3,10.3,12.3,14.7,16.3,17.8
2004,17.9,18,18.1,16.9,11.8,11.3,10,11.6,14.7,13.9,16,17.3
2005,19,18.7,18,16.9,14.5,14.1,11,13.1,12.4,15.1,16.2,17.1
2006,19.9,19.2,19.3,15.5,11.5,11.8,12.5,11.8,12.3,15.2,15.7,19.1
2007,19.4,19.4,19.8,17.2,11.6,11.3,9.3,11,14.7,16.2,15.6,18.4
2008,18.2,18.8,18.1,15.2,12.5,10.1,12.1,12.3,11.9,14.8,15.6,17.3
2009,18.1,19.5,18.9,15.9,13.8,9.6,9.5,12,13.6,14.3,18.8,19.1
