1901,17.2,18.4,19,21.3,23,24.4,25,25.3,24.2,21.3,18.6,17.8
1902,16.9,17.8,18.7,20.6,21.8,24.4,25.8,26.3,24.4,21,18.1,17.2
1903,16.9,17.8,18.7,21.4,22.7,24.3,25.3,25.4,24,20.7,17.4,17.1
1904,16.6,17.7,18.3,21.2,22.6,24.5,24.9,25.5,24,21.1,18.4,17.6
1905,17.1,17.8,18.6,21.1,22.6,24.6,25.1,25.1,23.9,21.7,18.8,17.9
1906,16.1,18.3,18.5,20.4,23.3,25.1,25.2,25.5,24,20.5,18,16.2
1907,15.7,17.5,18.6,20.8,22.7,24.3,24.9,24.8,23.7,20.6,17.6,15.7
1908,16.6,17.2,19.3,22,23.8,24.5,24.8,24.8,24.8,22.9,17.7,16.6
1909,15.9,17.6,18.1,20.2,22.2,23.5,24.8,25.7,24,20.4,17.4,17.4
1910,16.1,17.2,18.2,21.5,22.9,24.2,25.8,25.9,23.8,20.1,17.8,17.7
1911,16.1,16.7,18.4,21,23.3,24.6,25.1,25.2,23.6,20.8,18.3,18
1912,16.5,17.9,18.2,21.2,22.9,24.2,24.8,25.2,24,21,18.5,17.7
1913,17,17.5,18.3,21.3,22.3,23.9,24.9,25.3,24,21.1,18.1,17.5
1914,17,18,19,21.1,22.4,24.6,24.9,25.2,24,21.3,18.3,17.8
1915,17.2,18,18.7,21.2,22.9,24.6,25.1,25.3,24.1,21.1,18.7,17.7
1916,16.7,17.9,18.7,21.3,22.8,24.4,25,25.1,23.9,21,18.4,17.6
1917,16.9,17.9,18.6,21.1,22.6,24.3,25,25.3,24,20.9,18.5,17.7
1918,17,17.8,18.8,21,22.9,24.5,24.8,25.3,24,21.2,18.5,17.9
1919,17.5,18.2,18.9,21.1,22.9,24.5,24.8,25.3,24,21.1,18.4,17.8
1920,17,17.7,18.7,21.2,22.7,24.4,24.8,25.1,24,21,18.4,17.7
1921,17,17.6,18.5,21.3,22.6,24.3,24.9,25.2,23.9,21.1,18.5,17.9
1922,17.1,17.9,18.6,21.1,22.8,24.6,24.7,25.1,23.9,21.1,18.3,17.6
1923,17.2,17.6,18.9,20.9,22.7,24.4,24.8,25.1,23.9,21,18.4,17.6
1924,17.1,17.9,19.1,21.2,22.7,24.4,24.8,25.3,23.9,21.2,18.5,17.9
1925,16.8,17.7,18.8,21.2,22.9,24.4,24.8,25.2,24,21.1,18.5,18
1926,16.8,17.6,18.7,21,23,24.5,24.8,25.4,24.1,21.2,18.3,17.8
1927,17.3,17.6,18.9,20.9,22.7,24.4,24.6,25.1,23.9,21.3,18.5,18.1
1928,17.6,18.1,19.1,21.5,23,24.6,24.9,25.2,24.2,21.3,18.5,18
1929,17.2,18.2,19,21.4,23,24.5,24.5,25.1,24,21.2,18.6,17.5
1930,16.7,17.9,18.8,21.1,22.8,24.4,24.8,25.1,24.1,21.3,18.3,17.8
1931,17.4,18,18.9,21.1,22.7,24.4,24.9,25.2,24,21.2,18.6,17.9
1932,17.1,18.1,18.7,21.3,22.8,24.3,24.8,25.1,24,21.2,18.5,17.6
1933,17.3,18.1,18.9,21.2,22.7,24.5,24.8,25.1,23.9,21.1,18.7,18
1934,17.3,17.8,19,21.2,22.9,24.2,24.7,25.1,24,21.3,18.6,17.7
1935,17.2,17.8,19,21,22.7,24.4,24.7,25,23.9,21.3,18.4,17.7
1936,16.9,18,19.1,21.3,23.1,24.4,24.7,25.1,24,21.3,18.5,17.7
1937,17,18.1,18.9,21.3,22.9,24.5,24.8,25.3,24.1,21.4,18.8,18.1
1938,17.5,18.2,18.6,21.3,22.8,24.5,24.8,25.2,24,21.3,18.5,18
1939,17.3,18.2,18.9,21.4,23.2,24.6,24.9,25.2,23.9,21.6,18.6,18
1940,17.5,18.4,19.1,21.4,23.1,24.7,24.8,25.3,24.2,21.4,18.6,18.1
1941,17.3,18.2,18.9,21.4,22.9,24.2,25.1,24.9,23.7,21.2,18.6,17.3
1942,17.1,18.4,18.5,21.5,22.4,24.6,23.9,24.5,23.4,20.6,18.1,17.7
1943,16.6,16.5,17.9,19.9,22.3,23.4,24.6,24.7,23.2,20.5,19,18.6
1944,17.7,18,19.2,21.7,23.2,24.8,24.5,24.8,23.5,20.8,17.7,17.9
1945,17.6,17.4,18.1,21,22.4,24.4,24.8,24.6,23.3,20.2,17.5,17.7
1946,17.3,18.6,18.3,20.8,22.8,24.3,25.1,24.9,24.3,21.4,18.6,17.8
1947,19.7,20.3,20.6,21.7,22.2,25.3,24.9,24.8,23.2,23.3,21.7,18.6
1948,18.4,20.6,16.4,23.2,23.9,24.4,24.8,25.1,23.8,21.4,18.7,18.6
1949,19.1,19,20.8,22.9,24.2,25.3,25.2,25.8,24.3,21.9,19.4,19.3
1950,18.2,18.6,20.8,23.1,24.3,25.4,24.9,25.7,24.4,21.4,18.9,19.2
1951,18.6,18.9,20.7,23.2,24.4,25.9,25.9,24.8,25,24.1,21.6,20.8
1952,19.1,19.9,21.5,24,24.5,25.5,24.4,25.6,24.1,23.1,20.7,20.9
1953,19.2,20.1,21.5,23.1,24.2,25.8,24.2,25,24.9,23,21.6,20.4
1954,19.8,21,22.1,24.2,24.1,25.6,23.8,24.4,26.1,23,21.8,20.8
1955,20.3,18.9,18.2,20.8,22.3,23.6,21.6,23,23.1,20.8,19.4,20.8
1956,18.8,19.6,20.3,21.2,22.5,25,23.6,22.8,24.4,22.8,19.2,19.5
1957,18.3,17.8,16.3,20.7,21.5,23,22.9,23.1,21.3,19.7,17.4,16.5
1958,15.4,17.7,18.9,20.2,22.1,24.1,23.6,23.7,23.8,22,18.5,17.5
1959,13.7,18.7,16,19.3,21,24.3,23.9,22,24.6,19.9,19,18.6
1960,17.6,17.4,16.6,21.7,23.4,23.7,23.3,24.2,25.1,21.7,18.9,18.8
1961,17.8,18.7,19.3,22.1,23.4,24,23,24,24.3,22,19.3,18.8
1962,17.3,17.6,19,20.9,23,23.3,24.4,23.4,23.5,19.5,18.2,17.5
1963,17.2,17.9,18.7,21.9,23,23.5,23.7,24.7,23.3,21.4,19.8,19.4
1964,18,18.1,19,21.4,24.3,24.9,25,26.3,24.7,21,16.6,14.1
1965,13.6,15.5,15.4,21.1,21,23.3,23.8,24.7,22.9,20.4,18.9,17.9
1966,17.1,18.7,18.8,21,21.8,24.4,24.8,26.4,23.4,21.7,18.9,17.4
1967,16,17,19.2,20.5,21.9,23.7,23.7,25.4,24.8,21.2,18.1,17.2
1968,16.7,18.3,19.2,22,22.1,24.4,25,22.6,24.7,19.6,19.5,18.6
1969,19.5,18.6,19.8,21.9,23.3,23.9,25.8,25,23.7,20.7,18.8,17.8
1970,17.8,18.3,19.7,21.5,23.5,24.5,25,23.8,23.9,21.5,18,17.9
1971,17.1,17.4,17.3,19.5,22.1,22.8,24.4,24.2,22.9,20.8,18.7,17.9
1972,16.7,17.1,18.1,20.4,21.2,24.6,24.8,25.1,23.6,21,18,18.1
1973,16.7,16.1,18,19.4,23.7,24.9,25.1,24.9,23.6,20.7,17.2,16.3
1974,16.1,16.8,17.6,19.6,21.5,24.1,23.5,22.8,22.7,18.9,15.4,15.5
1975,15.4,16.3,16.9,20.1,22.1,24.6,24,24.5,25,20.7,15.5,14.5
1976,13.9,16.7,17.1,19.8,21.7,23.8,24,24.5,22.8,20.1,16.4,17.4
1977,15.9,15.2,16.3,19.1,23.4,24.7,25.1,23.7,23.9,21.7,18.5,17.4
1978,16.2,17,18.8,21.2,24,25.5,23.9,25.5,24.6,21.1,19.2,18.8
1979,17.6,17.7,19.7,21.5,23,24.3,25.9,25.3,24.5,21.8,19.3,19.8
1980,18.8,19.5,20.8,22.8,23.9,25.8,25,25.9,24.6,21.7,19.5,18.6
1981,17.7,18.1,19.9,22.2,23.8,24.2,25.7,26,24.6,21,18.5,17.4
1982,17.7,19.8,20.2,22.1,22.5,24,25.3,26.7,24.7,20.9,19.8,19
1983,18.6,18.9,20.4,22.5,22.8,24.7,25.3,27.1,25.2,21.4,18.3,18.5
1984,17.2,16.5,18.3,21.2,22.4,25.3,24.8,24.8,23.4,19.9,18.5,18.1
1985,17.9,18,18.6,22.6,23.8,24.4,25.2,26.4,24.1,21,18.5,17.1
1986,15.4,19.6,18.8,21.9,24.7,27.8,26.4,25.9,24.8,22.8,20.3,20.1
1987,19,19.9,21.9,23.8,25.2,25.9,24.9,27.4,25.1,24,20.1,18.1
1988,19,20,19.7,22.8,23.7,25.6,27.2,26.9,26.5,23,18.6,18.6
1989,17.8,19,20.4,20.6,22.6,24.5,25.1,26.4,24.6,22.3,19.7,19.6
1990,19,21.1,21.3,22.8,24.5,25.5,25.4,26.1,25.8,21.5,18.8,17.1
1991,20.7,19.2,21.3,22.1,23.1,24.5,25,25.7,22.9,20.9,18.4,18.6
1992,15.5,17.3,18.6,21.7,23.5,25,25.1,25.2,24.1,20.4,19.2,18.7
1993,17.7,17.7,19.3,20.9,22.9,25.8,23.5,23.6,24.5,21.9,18.5,17.3
1994,17.2,17.5,19.1,23,23.6,25.7,25.5,25.6,23.9,20.6,17.7,18
1995,17.3,18.5,19.1,21.8,24.1,23.6,25.4,25.6,24.4,21.6,18.6,18.8
1996,18.5,18.1,19.7,24,24.1,24.2,25.5,25.3,25.1,21.5,18.1,17.7
1997,17.7,17.9,18.8,21.3,23.2,24.5,26.5,26.2,24.6,21.5,19.8,17.6
1998,17.4,20.2,20.2,22.7,24.2,25.9,25.7,26.3,25.4,21.4,19,18.2
1999,17.4,18,19.7,21.5,24,24.2,25.3,25.2,24.5,21.1,17.9,17.6
2000,16.5,18.2,18.7,22.7,23.1,25.2,25.8,25.3,24,21.1,18.3,17.5
2001,17.5,17.6,19.5,23,23.3,24.6,25.4,24.7,23.8,21.5,18.2,18.7
2002,16.6,18.3,19.2,22.6,24.5,24.6,25.9,25.6,24.4,20.1,19.3,19.3
2003,17.7,19.9,19.5,22.6,24.6,26.2,25.4,25.5,24.4,21.2,19.1,18
2004,18.6,18.3,19.1,21.6,22.5,23.5,25.7,25.2,24,20.7,18.4,18.4
2005,17.2,18.6,19.6,22.9,22.9,24.2,24.6,25.5,24.4,21,18.4,17.5
2006,17.3,19.4,19.3,21.7,24.6,24.8,24.5,25.4,24.6,22.2,19.2,17.5
2007,16.8,19.5,20.3,22.4,23.9,24.7,25.2,25.7,24.7,20.6,18.9,17.9
2008,16.5,16.1,16.9,21,23.6,25,25.1,25,24.5,21.6,18,17
2009,17,19.4,20.2,22.8,23.4,25.7,25.3,26,24.6,21.5,19.2,18.9
