1901,16.9,17.5,21.6,23.9,24.2,24.3,24,24,23.9,23.5,19.8,17.7
1902,17.8,18.2,22.3,21.5,23.5,23.1,23.2,23.6,23.7,22.7,20.5,17.9
1903,17.1,18,20.9,23.6,23.7,23.4,24.4,23.1,24,24.1,20.5,18.1
1904,17.5,18.6,21.8,21.8,23.1,23.9,23.4,23.8,24.4,23.5,20,17.4
1905,16.2,16.6,19.7,21.3,23.4,24.3,24,22.9,24.4,23.2,20.7,17.7
1906,17.4,17.5,20.5,22.2,23.7,23.8,24.3,23,25,23.3,20.9,18.4
1907,18.4,18.3,20.7,22.4,23.5,23.5,23.2,24.3,23.5,23.8,21,18.6
1908,17.6,18.9,22.6,24.6,23.8,24.2,23.5,24.3,24.3,23.3,20.2,18.9
1909,17.4,18.6,23.2,22.7,23,23.3,24.3,23,25,24,21.7,18.1
1910,17.4,18.6,21.2,22.3,24,22.9,22.9,23.5,24.6,22.8,21.1,18.2
1911,17.9,18.2,20.8,22.5,23,23.6,23.1,23.5,23.9,22.9,20.1,17.8
1912,17.8,18.4,21.1,21.8,23.6,23.8,23.4,23.6,24.1,22.7,20.7,18
1913,18.1,20.1,20.6,22,22.6,23.3,23.9,23.5,23.8,22.9,19.7,17.3
1914,17.5,18.5,21.5,21.8,23.2,24.1,24.1,22.8,24,22.1,20.9,18.7
1915,18.3,19.3,21.5,23.5,23,23.3,23.2,23.6,23.6,25,21.9,18.7
1916,17.7,19,22.7,22.3,24.4,24.3,23.4,23.9,24.2,22.6,21.3,17.7
1917,17.6,17.6,21.7,22.2,23.4,23.3,23.7,23.7,23.7,23,21.4,18.4
1918,17.9,18.1,21.5,21.9,23.2,22.2,23.6,23,24.3,22.8,20.8,18.9
1919,18.7,18.1,23.9,23.2,24.6,24.5,23.4,24.8,23.2,22.9,20.8,18.4
1920,18.6,17.8,20.5,22.5,23.6,24,24.6,23.8,24.1,23.2,21.7,20.1
1921,19.5,19.9,21.9,23.3,23.9,23.4,24,23.8,25.1,22.1,21.1,18.6
1922,18.9,20,22.8,24.3,24.4,23.9,24.1,23.6,24.8,23.6,21.4,19.1
1923,19.7,17.6,23.4,23.3,22.8,23.7,23.9,24.5,24.8,23.1,21.3,19.4
1924,18.3,18.9,24.2,23.9,22.9,23.7,23.5,23.3,23.9,23.4,20.3,18.3
1925,16.1,17.1,22.2,22.5,22.6,23.9,23.8,23.3,23.8,21.8,20.7,18.7
1926,18,18.4,20.4,22.5,23.1,23.6,23.6,24,24.3,23.9,20.8,19.2
1927,17.1,17.5,20.4,22.4,23.5,23.9,24.8,24.2,23.4,23.1,20.8,19.8
1928,19,19.8,22.5,24.4,23.7,23.2,24.3,24,24.2,22.8,20.2,19.8
1929,18.3,18.3,23,22.7,22.9,23.8,24.6,23.9,24.2,23.7,20.7,18.7
1930,16.6,19.3,21.3,23.2,23.7,23.2,25,23.5,25,22.4,20.6,18.9
1931,19.1,19.9,22.5,23.5,23.4,23.6,23.6,24.9,23.7,23.4,20.4,18.7
1932,18.2,16.8,22.4,23.8,23.4,23.4,24.4,24,24.4,23.8,21.7,18.9
1933,18.3,19.7,23.8,22.7,22.8,23.4,24.3,24.1,24.6,23.9,20.9,18.7
1934,18.5,18.8,22.4,23.6,23.7,22.4,24.1,24.2,25.1,22.9,20.3,18.1
1935,17.9,18.7,22.9,23.5,24.4,22.6,24.7,23.5,24.6,23.9,21.8,18.3
1936,16.4,17.2,22.3,23.1,24,23.5,23.9,23.8,24.4,22.3,22.3,18.7
1937,16.6,18.6,21.8,24.4,23.5,24.1,25,23.5,24.3,23.6,20.9,18.9
1938,18.8,18.7,21.9,24.9,23.2,23.4,23.7,23.9,24.4,23.6,19.6,18.8
1939,18.3,19.2,22.4,24,23.9,23.4,23.5,24.4,24.1,23.3,21.5,18.8
1940,17.8,19.2,18.6,23.9,23.3,23.7,23.6,24.8,24.6,24.5,21,19.1
1941,17.9,19.6,22.7,23.8,23.8,23.3,24,24.4,24.1,23.8,20.9,20
1942,18.9,20.3,21.8,23.5,23.5,23.4,24.6,24,24.1,24.8,21.9,18.8
1943,18.2,17.7,20.3,21.8,23.8,23.1,24.3,23.4,24.4,24.1,22.5,19.9
1944,17,18.1,22.5,22.3,23.6,23.6,24.9,24.8,23.6,23.8,21.3,20
1945,18.6,17.2,22.5,23.7,23.1,24,24.1,23.1,24.7,22.4,21.9,18.3
1946,19.3,21.3,22.2,23.1,23.6,23.7,24,24.7,24.8,22.4,22.2,19.1
1947,18.4,19.8,22.3,22.9,23.7,23.7,23.7,24.3,24.5,22.6,21.5,19.5
1948,18.2,17.5,20.4,23,21.9,23.6,23.8,24.2,24.6,22.6,20.9,18.3
1949,17.8,18.6,21.5,21,22.5,23.4,23.5,23.8,24.1,23.5,20.8,18.3
1950,18.1,18.2,21.1,23.5,24.6,23.5,24.3,23.1,24.8,23,20.7,18.8
1951,17.6,20.1,22,22,24.1,23.3,23.2,24.1,24.5,23.3,21,19.2
1952,18.5,20.9,21,24,24,24.6,24.1,23.9,24,23.5,21.1,18.8
1953,17.4,20.3,21.7,24.5,23.4,24.1,24.2,24.9,24.1,23.1,21.1,19.7
1954,17.1,20.3,23.1,23.5,24,22.9,23.2,23.1,24.7,22.3,20.5,18.4
1955,17.9,19.7,22,23.6,24.4,23.4,22.9,23.1,24.4,24,21.4,18.1
1956,17.5,19.4,22.5,24.3,22.4,22.5,24.1,23.9,24.9,23.5,20.7,18.4
1957,18,17.2,22.4,24.7,23.9,23.5,24.3,24.5,24.6,23.3,21.5,19.2
1958,18.8,17.9,23.5,24.5,23.2,25.7,25,23.1,25.2,24.3,22,18.9
1959,17.7,17.1,21.6,24.4,22.5,23.3,24.4,24.5,23.9,22.3,20.9,20
1960,19,21,22,26.5,25.2,24.3,23.2,25.1,24.5,24.7,21.4,20
1961,20,17.7,22.4,24,23.9,24.1,25,24.1,24.7,23.9,20.7,17.9
1962,17.3,18.7,22.7,23.9,23.6,24.2,25.2,23,25.8,24,20.7,19.1
1963,18.4,20.5,22.5,22.4,22.8,23.6,24.1,24.1,25.4,22.9,20.7,18.2
1964,17,19.2,22.7,21.8,24,23.2,23.1,24.8,24.7,24,22,19.2
1965,18.7,18.3,21.3,22.6,24.4,23.9,24.4,23.5,24.3,23.1,21.8,19.7
1966,19.4,21.3,22.3,24.5,24.6,22.4,24.1,23.4,24.3,22,21.4,17.8
1967,17.9,18.9,19.8,22.1,23.8,23.4,24.4,25.1,23.8,22.9,19.9,17.8
1968,16.8,16.8,21,22.3,23.1,23.5,23.9,24.2,24.2,23,20.6,18.9
1969,16.9,18.6,23,23.6,25.8,23.2,24.5,23.2,25.1,22.9,19.9,18.1
1970,16.2,18.6,21.5,23.4,23.5,23.9,23.2,24.3,24.1,22.6,19.6,18
1971,16.4,17.8,22.2,21.9,24.5,23.6,24,23.1,24,23.1,19.3,17.2
1972,17.6,17.1,21.8,22,24.1,23.6,24.1,24.3,24.7,23.2,20.6,18.1
1973,17.6,19.6,21.1,24.5,23.1,23.2,25,24.6,23.9,23.8,19.7,17.4
1974,16.5,18.7,20.9,21.6,23.5,23.7,22.7,23.6,23,24,21.4,17.3
1975,17.1,19.5,24.4,24.1,23.3,24.2,22.7,24.4,24,24.8,20.8,18.7
1976,16.7,18.1,22.2,23.2,23.4,22.7,23.8,23.3,24.8,22.9,20.7,17.7
1977,16.4,18.3,22.4,20.1,22.4,22.6,24.3,24.2,25,22.1,19.9,17.9
1978,15.6,18.3,21.6,23.9,22.6,23.4,24.2,25.6,23.8,24.1,20.6,19
1979,18.6,19.2,22.1,25,25.8,25.2,23.9,24.5,23.6,23,21.6,17.7
1980,16.9,18.3,21.6,24.3,23.4,24.1,24.4,24.2,24.5,22.4,21.1,18.8
1981,17.2,18.7,20.5,22.2,23,24.7,23.7,24.2,24.7,24.3,21.2,18.2
1982,18.1,17.8,21.2,21.1,24.9,23.4,23.8,24.6,24.2,24,19.7,17.1
1983,16.1,16.5,19.6,22.1,23.5,24.3,24.3,24,24.3,24.3,21,17
1984,16.1,18.5,23.2,23.7,22.5,24.5,23.5,24.9,23,23.3,20.7,17.6
1985,17.2,17.8,21.8,22.6,23.6,23.5,23.5,24.4,23.9,23.8,20,18.2
1986,17.5,18.6,21.6,21.5,24.3,25.5,23.6,24,22.9,21.7,20.1,17.9
1987,18.4,20,20.1,22.3,24.6,24,23.6,23.4,23.6,23.5,21.5,19.2
1988,18.8,20.2,21.4,24.1,21.7,25.3,24,23.2,24.4,24,21.5,19.4
1989,16.4,18.3,22,23.5,24.9,24.3,23.8,24.6,23.8,23.2,20.2,17.5
1990,17.6,18.1,19.7,21.9,23.1,23.6,24.2,24.6,23.9,22.9,20.6,17.5
1991,16.2,19.4,22.6,22.8,21.5,23,24.6,23.9,23.3,22.8,19,16.4
1992,16.1,15.1,21.3,23.9,23.2,24.8,23.6,24.5,24.2,22.3,20,16.5
1993,15.7,17.2,19.9,22.5,22.3,23.6,24.1,23.3,24.2,23.3,20.3,18.9
1994,18.2,17,20.3,22.7,24.9,23.7,24.9,24.6,25.2,22.7,19.9,17.4
1995,16.2,16.9,21.6,24.2,24.9,24.2,23.6,23.8,23.7,24,20.2,17.3
1996,16.7,18.9,20.9,23.3,23.4,24.2,23.3,23.5,24.9,23.5,20.6,18.5
1997,16.9,15.9,20.8,20.8,24.3,23.4,23.9,24.5,22.9,23.2,20.4,17.3
1998,16.2,18,19.6,22.3,24.7,23.7,23.2,23.3,25.5,24.8,21.9,19.5
1999,18.2,21.2,22.8,24.9,22.9,24.3,23.7,23.5,24.5,23.5,20.6,18.7
2000,17,16.8,19.6,22.4,22.8,23.7,24.5,23.4,23.5,23.5,20.6,18.2
2001,18.5,19.3,22,24.3,23.1,23.8,24.6,24.5,25.1,23.3,21.4,19
2002,17.6,20.2,21.6,22.1,23,23.5,23.1,24.2,24.8,23.6,20.9,17.8
2003,18.2,18.2,20.5,22.7,23.3,23.8,24.3,24.9,25,24.3,21.3,17.2
2004,16.8,19,23.7,21.6,24.2,23.9,23.5,25.2,24.2,23.2,20.3,19.2
2005,17,19,20.8,23.4,23.6,24.7,24.7,24.1,25.9,23.5,20.7,19.2
2006,18.6,21.1,22.8,22.9,23.9,24,25.2,26,24.7,24.1,20.6,18.5
2007,17.6,17.3,22.1,22.5,24.5,24.3,23.9,24.9,24.7,23.5,21.1,18.5
2008,17.2,17.5,22.1,24.1,23.6,23.5,24,23.8,25.2,23.5,21.2,19
2009,18.5,20.7,22.8,24.1,24.5,24.6,25,24.8,26,24.6,21.4,18.1
