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