1901,17.8,20.6,23.4,24.8,24.2,23.7,23.7,23.6,23.4,22.9,21.6,19
1902,17.6,20.9,24,24.9,24.7,24.3,23.9,23.9,23.3,23,22.1,20.2
1903,18,20.3,24.5,25.6,24.5,23.4,23.6,23.4,22.8,22.6,20.6,17
1904,16.1,20.1,23,24.2,24.1,23.6,23.6,23.9,23.7,23.2,21.1,18.1
1905,19.1,21.1,23.1,25,24.5,23.8,23.9,24.2,23.7,23.2,22,21.5
1906,18.9,22.1,23.6,25.6,25.1,24.4,24.2,24.4,24,22.8,21,19.4
1907,17.8,20.9,22.9,24.4,23.9,23.5,23.8,23.6,23.6,23.3,22.1,17.8
1908,17.9,20.5,22.8,24.4,24.1,23.6,23.7,23.7,23.6,23.1,20.9,19.1
1909,17.8,21,23.3,24.7,23.8,23.9,23.5,24,23.8,23.4,21.2,18.5
1910,18.4,20.3,22.7,24.4,24.5,23.7,23.8,24,23,22.7,21.5,17.7
1911,17.1,20.1,23.1,24.9,24.4,23.8,23.7,24.3,23.8,23.1,22.7,20.3
1912,17.9,20.9,24.5,25.1,25.8,24.6,23.5,23.3,23.2,22.6,20.3,18.8
1913,17,20.9,23.6,25.4,23.4,23.5,23,23.3,23.3,22.6,20.7,18.7
1914,16.6,20.9,23.6,25.4,25.5,23.7,23.4,23.4,23.1,22.4,21.7,19.7
1915,17.5,21.8,23.8,25.2,24.4,24.1,23.7,24,23.1,22.6,20.6,17
1916,16.2,20.2,23.7,24.8,24.2,23.2,23.7,23.6,22.9,22.2,19.9,17.7
1917,17.3,20.3,22.3,25.2,24.5,23.2,23.2,23.2,22.8,21.9,20.4,17.8
1918,16,18.9,22.4,23.8,23.7,23.7,24.1,23.6,23.6,23,22.1,20.1
1919,18,21,24.4,25.1,24.6,23.3,23.4,23.4,23.1,22.6,21,19.3
1920,15.9,20.6,23.5,24.7,24.8,23.7,23.4,24.1,23.4,22.2,21.8,19.4
1921,16.7,20,23.4,24.3,23.8,23.6,22.8,23.3,22.6,22.4,20.3,18.6
1922,17.8,21,22.4,24.8,24.6,23.7,22.8,23.5,23.7,22.4,20.5,18.1
1923,16.8,19.4,22.7,23.7,23.3,23,22.6,22.8,22.9,22.3,21.6,19.3
1924,17.7,20.7,23.4,24.3,24.4,23.5,22.6,23.4,23.7,22.5,21.9,17.2
1925,17.6,19.7,23.1,23.5,24.3,23.3,23.4,23.6,23.3,22.2,21.4,17.6
1926,17.6,20.9,23.1,25.4,25.2,24,23.6,23.2,23.4,22.3,21.2,19.1
1927,17.3,20.7,23.8,23.9,23.6,23.3,23.2,23.3,23.2,22.3,21.6,19.1
1928,19.4,20.2,24.3,24.4,24.5,23.6,23.7,23.9,23.1,21.6,20.8,20.1
1929,18.8,20.9,22.8,24.4,25.3,23.9,23.2,23.5,23.3,22.6,21,20
1930,16.1,20.5,22.5,25.1,24.6,24,23.4,23.6,23.2,22.6,21.8,19.8
1931,18.7,21.1,24.6,26.1,25.1,24.4,23.8,23.8,23,21.4,20.8,19.1
1932,16.7,20.1,22.4,24.9,25.2,24.2,23.3,24.1,22.7,22.4,21.5,18.3
1933,16.5,21.5,22.9,25.1,24.9,24.5,23.5,24.1,23.3,22.5,20.4,19.2
1934,16.3,19.7,22.6,24,24.7,24.1,23.3,23.8,23.5,21.8,21.9,18.4
1935,18.7,21.7,24.5,25.3,24.4,24.2,23.7,23.9,23.1,23.2,22.4,19.2
1936,17.1,20.9,22.1,25.4,24.5,24,23.7,23.4,23.2,21.8,21.3,19.8
1937,18.2,21.1,25.1,25,24.4,23.5,23.5,23.5,22.9,22.2,21.2,18.7
1938,17.5,20.5,22,24.4,24.4,24.1,23.4,23.2,23.2,22.6,21.7,19.5
1939,17,20.8,23.1,24.3,23.8,23.5,23.8,23.6,23.3,22.7,22.6,16.3
1940,15.2,21.1,23.6,24.6,24.7,23.9,23.7,23.5,23.8,22.8,21.9,20
1941,20.2,22.4,24.1,25.1,24.8,24.1,24.2,24.2,23.5,23.2,22.4,19.9
1942,17.4,20.7,24.2,24.5,24.2,23.9,23.4,23.2,22.8,22.8,20.9,19.2
1943,16.5,20.1,23.2,24,24.2,23.4,23.5,23.5,23.7,23.4,21.6,18.6
1944,18.2,20.9,23.5,24.9,24.1,23.5,23.8,23.6,23.7,23.2,22,17.4
1945,17,20.2,22.9,24,23.3,23.4,23.8,23.6,23.2,22.1,22.3,18.9
1946,16.2,19.7,23.9,24.4,23.9,24,23.2,23.3,23.3,22,21.8,19.5
1947,19.7,20.3,23.6,23.3,24.1,23.3,23.7,23.6,23.2,22.3,20.7,18.5
1948,17.3,21.8,23.7,24,23.8,23.7,23.3,23.6,23.6,23.3,19.2,20.2
1949,16.8,20.6,23.6,24.6,25,23.6,23.7,23.9,23.9,23.3,21.7,20.5
1950,18.7,20.9,23.7,24.1,24.3,23.5,23.4,23.8,23.3,23.6,22.2,17.9
1951,17.5,20.7,23,25.2,24.5,23.8,23.3,24.1,23.7,23.6,22.8,19.7
1952,18,21.7,24.2,24.6,25.3,23.9,23.9,23.8,23.4,23.1,21.6,17.9
1953,18.3,21.2,24.1,24.5,24.3,23.8,23.4,23.9,23.5,23.4,22.1,19.4
1954,19.9,20.4,22.3,25,24.2,23.9,23.7,23.9,23.3,22.4,20.5,18.4
1955,15.9,20.7,23.7,23.6,24,23.3,23.4,23.3,23.2,22.4,20.9,17.4
1956,15.4,21.4,23.4,24.8,24.4,22.9,23.3,23.3,23.3,22.1,20.3,18.2
1957,16.7,19.5,22.9,24.2,24.2,23.3,23.3,23.2,23.4,22.7,21.5,19.7
1958,18.1,20.2,24.3,25.3,25.1,24,23.5,23,23.2,22.3,20.2,17.8
1959,16.7,21.7,21.9,24.6,24,24.2,23.5,23.5,23.1,22.3,21.3,20.7
1960,17.7,20,24.6,24.7,24.1,23.7,23.6,23.9,23.2,22.9,22.6,18.7
1961,16.4,20.3,23.9,24.4,24.1,23.9,23.7,23.9,23.3,22.8,21.4,19.9
1962,16.4,19.6,23.2,24.4,24.2,23.5,23.9,23.7,23.7,22.9,21.2,18.3
1963,13.9,18.9,22.3,24.4,24.5,23.5,23.6,24,23.9,23.2,22.9,18.8
1964,18.9,19.9,23,25.4,23.6,23.5,24,24,23.4,23.6,21.1,18.4
1965,16.1,22.1,22.5,24.5,24.3,23.6,23.4,23.6,22.3,23.2,22.2,20.5
1966,19.4,22.4,24.9,25.1,23.5,24.3,23.8,23.7,22.9,23.4,21.7,21.2
1967,17.4,19.8,23.4,24.8,24.7,24.2,23.4,24,23.3,21.8,21.9,17.7
1968,18,20,23.4,24.3,24.2,23.6,24.2,23.7,23.4,22.2,21.9,20.4
1969,20.4,21.3,24.3,25.2,24.8,24,23.7,23.9,23.9,23.3,20.5,17.6
1970,17.7,20.8,23.8,24.1,24.2,24.1,23.3,22.7,23,21.6,21.1,20.6
1971,15.7,18.8,21.9,23.9,25.3,23.2,24,23.8,24,22.2,20,19.6
1972,16.2,21.7,22.7,23.2,24.3,23.9,23.8,23.2,23.3,24.3,22.8,20.4
1973,18.2,22.2,25.3,26.4,25.1,24.4,24.1,24.3,23.7,22.8,20.9,18.3
1974,17.1,19.7,21.9,24.3,24.1,23.5,23.9,23.8,23.3,22.6,21.2,19.6
1975,18.8,21.6,24.3,24.8,24.4,23.6,23.8,23.6,23.8,23,21,17.4
1976,16.3,21.3,22.8,24.9,24.6,23.1,23.6,23.7,23.1,22.9,20,19.3
1977,17.8,18.9,22.9,24.3,24,24.5,23.5,23.6,23.2,22.6,21.5,19.8
1978,19.5,21.5,25,24.2,23.9,23.6,23.4,23.5,23.3,22,22,20.1
1979,20,22.4,25.3,24.6,23.8,24.3,24,23.8,23.4,21.7,21.3,19.7
1980,18.3,21.1,25.1,25.2,24.2,23.8,24,23.7,23.1,22.9,22.4,19.9
1981,17.2,21.6,23.7,24.4,24.1,23.2,23.5,24.4,24.3,23.1,22.1,18
1982,16.8,21.4,24,23.6,24.1,23,23.3,23.3,22.9,23.3,23.2,17.9
1983,17.6,21.7,23.6,26.8,25.8,23.7,24.6,24.4,24.4,23.7,20.8,18.8
1984,16.5,20.3,22.8,25.8,24.1,23.2,23.3,23.3,22.6,22.3,21.8,19.1
1985,17.5,22.1,22.5,23.5,23.6,23.5,22.5,23.1,22.7,22.4,22.7,18.9
1986,16.6,20.6,22.4,24.2,23.7,23.2,23.3,23.3,22.7,22.7,21.2,18.8
1987,17.7,20.8,23.5,24,24.1,23.9,23.9,24.3,23,23.9,22.8,17
1988,18.9,21.6,23.1,23.6,24.2,23.4,23.4,23.3,23.1,22,20.4,18.6
1989,19.3,20,22.8,25.3,24.3,23.5,24.1,24,23.8,23.2,21.6,18.5
1990,19.1,21.7,23.4,24.7,23.6,24,23.7,24.2,23.5,23.2,22.5,20
1991,19.8,21.5,25.1,25.8,24.5,24.2,24.1,23.9,24.2,22.9,21.4,20.3
1992,17.8,21.6,24.7,26.2,25.2,24.4,23.7,23.8,23.7,22.2,20.9,20.4
1993,17.8,20.7,23.7,24.8,24.6,24.2,23.3,23.8,23.6,22.7,21.6,19.5
1994,18.7,22.8,23.4,25.7,25.5,24,24.1,24,23.7,22,21.8,21.4
1995,18.2,20.4,23.4,26.3,24.9,24.1,23.6,24.3,23.7,23,21.8,19.2
1996,18.5,19.2,22.6,24.4,23.8,23.9,24,24,23.7,23.3,22.8,19.2
1997,17.8,21.2,23.1,24.1,24.3,23.7,23.9,23.8,23.7,24,22.5,20.7
1998,19.9,23,24.8,25.5,25,24.3,23.9,23.8,24.3,23.4,23,20.4
1999,19,21.2,24.1,24.8,24.3,23.3,24.1,24.6,24.1,23.7,22.1,18.2
2000,19.4,20.5,23.7,24.9,24.3,23.6,24,24.8,24,23.6,21.2,21.2
2001,20.8,21.8,23.7,26.6,24.7,23.7,24,24.1,24.4,23.8,20.8,20.3
2002,18.7,21.4,24.5,25,24.2,24,24.2,24,23.1,23.2,22.6,22.3
2003,18.3,21.8,23.5,25.4,24.5,23.8,23.9,24.2,23.2,23.5,22.5,19.7
2004,18.9,21.2,24.1,25,25.7,23.9,24.4,24.7,24,23.1,22.9,19.5
2005,18.8,23.2,23.2,25.7,24.4,24.9,24,24.2,25,21.3,23.2,20.3
2006,19.4,22.4,23.6,25.1,24.5,24,24.9,24,24,23.4,22.6,20.6
2007,19.1,22.1,24.8,24.4,24,22.5,24.2,23,24,22.9,20.9,21.1
2008,18.6,18.9,22.7,25.1,23.5,23.6,24.4,23.6,24.1,24,22,19.6
2009,17,23,23.6,24.9,24.1,24,23.6,24.6,23.3,23.6,21.9,20.4
