1901,17.7,20.7,22.8,25.1,24.4,24.8,24.8,24.5,23.7,23.4,21.3,17.5
1902,16.3,20,22.7,24.3,25,25.1,24.6,24.2,23.4,23.1,21,18.1
1903,17.4,19.2,23.5,25.7,25.3,23.8,24.4,23.6,23.3,23,19.9,14.5
1904,14.6,18.2,22.1,23.8,24.6,24.6,24.3,24.4,24.1,23.6,20.1,15.9
1905,17.9,20.8,22.6,25.3,24.9,24.7,24.6,24.6,24.3,23.7,21.5,19.9
1906,18.8,21.1,22.9,26,26,25.2,25,24.5,24.6,23.2,20.4,17.4
1907,16.9,19.9,21.5,24.4,24.3,24.2,24.2,24,23.7,23.3,21.2,15.5
1908,16.8,19.6,22.4,25.1,24.6,24.6,24.3,24,23.8,23.3,19.7,16.8
1909,16.8,19.9,22.7,24.5,24.3,24.5,24.2,24.2,24.1,23.8,20.4,16.2
1910,17.6,18.9,21.6,24.5,24.8,24.1,24.3,24.3,23.4,23,20.8,15.8
1911,16.5,19,22.2,25,24.9,24.6,24.3,24.6,24.1,23.5,22.3,18.2
1912,17.3,19.9,22.9,25,25.6,25,24,23.6,23.5,22.7,19.6,16.8
1913,16.9,19.9,22,24.8,24.1,24.5,23.6,23.7,23.6,22.9,19.9,16.5
1914,16.1,20,22.4,25.1,25.3,24.3,24,23.4,23.4,22.5,20.9,17.7
1915,17.2,20.8,22.5,24.6,24.2,24.8,23.9,24.1,23.3,23.3,20.2,15
1916,15.5,19.5,23,24.7,24.9,24.4,24.6,24.2,23.8,22.8,19.9,16.1
1917,16.5,19.2,21.5,24.8,25.1,24,24.3,23.8,23.5,22.6,20.6,15.9
1918,16.2,18.2,21.8,23.6,24.2,24.5,25,24.2,24.3,23.6,21.5,18.4
1919,17.7,20.2,23.6,24.9,25,24.4,24.3,24.5,23.5,23.2,20.9,17.6
1920,15.9,19.7,22.8,24.5,25,24.6,24.5,24.4,24.1,22.8,21.1,17.5
1921,17.1,18.9,22.7,25,24.5,24.7,23.7,24.2,23.4,22.6,19.9,16.8
1922,18,19.8,22.2,24.7,25.3,24.8,23.8,24.1,24.1,23.1,20.4,16.6
1923,17.1,18.7,22.3,23.9,23.9,24.1,23.4,23.5,23.5,22.8,21.4,17.9
1924,17.7,19.8,22.9,24.3,25,24.4,23.5,23.9,23.4,22.7,21.7,15.5
1925,16.9,18.9,22.4,23.4,24.8,24.6,24.2,24.2,23.9,22.7,20.8,16.1
1926,17.8,19.8,22.5,25.1,25.8,25,24.4,24.2,24.2,23.1,21,18
1927,17.4,19.8,22.8,23.8,24.1,24.7,24.2,24.2,23.5,22.9,21,17.2
1928,19,19.8,22.7,24.1,24.7,24.1,24.1,24.3,23.5,22.4,20.2,17.5
1929,18.4,19.1,21.5,24,25,24.2,23.9,24.2,23.9,23.1,20.7,18.1
1930,17.6,19.4,21.6,24.3,24.6,24.7,23.7,23.9,23.9,23.2,21.5,17.9
1931,17.4,19.3,22.8,25.3,26.6,25.2,24.8,24.5,23.5,22.4,19.8,17.6
1932,15.9,19.8,22,24.7,26,25.3,24.3,25.1,24,23.2,21.8,16.4
1933,17.6,19.9,22.5,25.1,25.2,24.7,24.1,24.2,23.9,23.5,19.9,16.9
1934,16.6,19.3,22.1,24.4,25.8,25,24,24.1,24.1,23.1,21.3,14.9
1935,18.1,20.4,22.6,24.7,24.9,24.8,24,23.8,23.8,23.9,22,18.5
1936,16.6,19,22,25.2,25.6,24.3,24,24.4,23.4,22.3,20.7,18.7
1937,17.4,20.6,22.6,25.4,24.9,24.7,24.1,24.1,23.7,22.5,22.7,18.6
1938,17.3,19.1,20.7,23.9,24.3,24.3,24,24.3,23.8,22.9,19.3,17.4
1939,16.8,18.5,22,24.7,24.2,24.3,24.6,24.6,23.7,23,21.9,13.2
1940,12.7,18.5,20,24.2,24.6,24.5,24.3,24.4,24.2,22.8,21.1,17.7
1941,19.3,19.5,23.2,26,24.8,25.5,25.5,25.1,24.3,23.5,21.6,19
1942,16.6,19.6,22.7,24.7,24.9,24.3,24.7,24,23.7,22.9,21,17.4
1943,15.8,19.1,21.5,23.5,24.4,23.6,23.8,23.4,23.4,23.3,20.9,17.2
1944,17.9,20.3,22.3,24.2,24.3,23.9,24.1,24.1,23.9,23.7,21,15.8
1945,16.7,19.7,22.2,24.3,23.7,24.2,24.6,23.8,23.5,22.3,21.6,18.1
1946,14.3,20.4,22.9,23.8,24,24.2,23.7,24,23.4,22.2,19.7,18.2
1947,19.1,19.3,22,23.4,24.3,24,24,25.1,24.4,23.7,20.5,17.2
1948,15.7,19.3,22.4,23.7,24.1,24.4,23.9,24.7,23.5,22.9,19.3,17.8
1949,15.6,17.7,21.3,23.5,23.9,24.7,24.1,23.8,23.9,23.6,21.6,17.4
1950,15.3,17.4,21.2,23.9,24.3,24.3,24.4,24.9,23.9,23.5,21.6,16.4
1951,17.2,17.8,21.5,23.9,24.8,24.4,24,24.5,24,23.3,21.9,18.4
1952,17.5,20.4,22.1,23.2,24.8,24.4,24.4,24,23.4,23.7,20.8,15.1
1953,17.9,19.7,20.9,24,24.5,24.4,24,24,23.8,23.3,21.3,17.3
1954,18.1,18.9,21.2,24.6,24.7,24.4,23.8,24.1,23.7,22.9,19.9,16.7
1955,14.3,18.6,20.9,23.3,24.4,23.7,23.2,23.3,23.2,22.4,19.3,13.5
1956,14.8,19.3,21.9,23.6,23.9,23.7,23.2,23.6,23.2,22.1,19,15.1
1957,16.3,18.2,21.7,24,25.1,25,24,24.1,23.7,23.2,20.5,17.5
1958,17.8,19.1,23.1,24.7,25.5,24.8,24.9,23.9,24.3,23.7,19.1,14.5
1959,16.2,20,21,24.7,24.4,24.9,24,24.2,23.9,23,21.1,19.5
1960,17.8,18.3,22.6,25.5,25,24.6,23.9,24.6,23.9,23.3,22.1,17.3
1961,16.9,20,21.7,24.9,25.1,24.8,24.4,24.6,23.8,22.7,20.4,17.7
1962,16.7,17.7,22.5,24.6,22.8,24.6,24.3,24,23.8,22.7,20.5,16.5
1963,14.1,18.8,21.7,24.1,25.5,24.9,24.2,24.1,24.5,23.3,22,17.8
1964,17.5,19,22.4,24.8,24.6,24.3,23.8,24.2,23.6,23.5,20.4,16.8
1965,15.7,19.8,21,24,25.1,24.2,24.5,24,23.8,23,20.8,19.2
1966,19,20.4,22.9,25.7,25.4,24.6,24.6,24.3,23.5,23.1,20.9,19.8
1967,18.5,19.1,21.9,24.3,24.8,24.5,24.7,24.5,23.9,22.7,20.8,16.4
1968,16.5,19.5,22.8,24.1,24.8,24.6,24.3,24.5,23.7,22.7,21,18
1969,19.7,19.7,23.9,25.4,25.8,24.6,23.8,23.5,23.3,22.9,19.5,15.9
1970,18.8,19.2,23.2,24.7,25.1,24.4,24,23.6,23.7,22.9,21.1,19.5
1971,16.5,18.2,22.1,24.1,24.8,24.3,24.1,23.8,23.8,22,18,18
1972,16,19.9,21.6,24.2,25.9,24.7,25.4,24.5,23.8,23.9,22.7,19.3
1973,16.8,19.9,22.8,25.7,24.9,24.9,24.7,24.2,23.8,23.1,20.1,14.9
1974,15.5,17.9,22.2,24.2,24.2,24.4,23.9,24.1,23.5,23.8,21.7,18.1
1975,19.8,19.4,22.7,25.1,24.2,24.6,24.1,24.2,23.8,23.8,21.1,15.8
1976,15.4,19.1,22.4,24.6,24.5,24.6,24.5,23.7,24.1,24,19.9,17.5
1977,18.5,18.7,22.6,24.1,24.8,25.1,24.4,24.1,23.8,23.6,20.3,17.7
1978,18.9,21.2,23.4,25.5,25.6,24.9,24.5,24.7,24,23.5,20.7,17.7
1979,19.1,21.8,23.6,25.6,25.7,25.3,25.8,25,24.2,22.9,19.4,17
1980,16.1,20.5,23.5,26,24.9,24.3,25.1,24,24.4,23.2,21.8,17.6
1981,15.5,19.9,22.3,24,24.6,23.6,23.2,23.9,23.4,23,21.7,16.7
1982,16,19.7,23.1,24.3,24.8,24.1,24.2,23.9,23,22.9,21.8,15
1983,16.1,20.4,22.3,25.6,25.2,24.3,24.1,23.9,24,23.1,19.8,16.3
1984,16.7,22,22.5,24.9,24.2,23.2,23,24,23,22.3,20.5,17
1985,18.4,20.9,22.7,24.4,24,23.6,22.8,23.8,23,22.7,21.4,16.7
1986,15.6,19.6,20.6,23.9,24.3,24.5,24.1,23.7,23,23.2,20.8,18.1
1987,17.6,19.8,22.2,24.4,25.2,24.9,25.4,24.1,23.7,23.5,23.2,14.8
1988,17.6,21.4,23.9,24.3,24.5,24.7,23.7,23.8,23.8,23.1,19.5,16.4
1989,19,19.6,22.6,25.1,24.7,24.2,24.3,24.1,23.6,23.3,21,15.6
1990,19.6,21.2,22.4,24.4,24.5,24.7,24.5,24.2,23.6,23.7,21.2,17.4
1991,19.7,19.6,24.3,26.2,25.6,25.2,25.8,25.1,25,24,20,18.8
1992,17.7,19.2,22.6,25.8,26.2,25.4,24.8,24.7,24.3,22.9,19.5,16.5
1993,18.3,18.6,23.1,25.2,25.4,25.2,25.5,24.6,24.4,23.7,20.6,17.6
1994,18.2,22.6,22.3,25,25.2,24.9,24.7,24.8,24.5,22,19.3,18.8
1995,18.5,18.8,23.1,25.1,25.4,25.2,24.6,23.7,24.5,23.5,21.7,16.6
1996,17.1,18.6,22.5,24,24.2,24.1,24.1,24.1,23.7,23.2,22.3,17.7
1997,17.4,19,21.8,24.2,25.1,25.6,24.6,24.8,23.4,23.3,21.4,19
1998,18.9,20.7,24,25.6,25.6,26.1,24.6,24.6,24.1,23.7,21.4,19.4
1999,19.2,21.1,23.3,24.6,24.6,24.2,24.2,24,23.1,23.1,22.2,16.9
2000,18.2,19.8,22.1,24.3,24.9,24.8,24.4,24.7,23.8,24.3,20.4,19.5
2001,20.5,20.9,22.8,26.1,24.5,24.6,24.3,24.4,23.6,23.6,18.9,19
2002,17.3,20.9,22.4,24.5,24.8,25.1,24.6,23.8,23.4,22.8,22.1,20.4
2003,17.5,19.8,22,25.2,25.3,24,23.9,24.2,23.5,23.2,20.9,16.8
2004,18,19.6,22.6,25.4,24.2,24,23.6,24.1,23.2,22.9,20.8,15.4
2005,17.7,21.7,22.6,24.7,25,24.5,24,24.1,23.4,23.3,21.8,18.7
2006,17.1,20.9,23.6,24.1,23.4,23.4,24.5,23.7,23.4,23.2,21.2,17.5
2007,17.7,19.4,23.3,25,23,23.9,24.1,24.3,23.8,23,19.9,18.6
2008,18.8,20.7,23.1,25.2,24.2,24.2,24.4,24,23.7,23.8,21,17.5
2009,16.3,21,23.3,25.1,24.8,24.6,24.8,24.6,24.3,24.1,21.2,18.5
