1901,21,23.4,25.7,28.1,26.4,25.8,25.6,25.4,24.9,24.9,23.1,20.9
1902,19.7,22.7,25.5,27.2,26.9,25.9,25.4,25,24.7,24.4,22.5,21.2
1903,20.6,21.8,26,28.4,27.2,24.8,25.2,24.4,24.6,24.5,21.8,18
1904,18.2,20.9,24.9,26.6,26.5,25.6,25.1,25.2,25.3,25,21.8,19.3
1905,20.8,22.9,25.3,27.9,26.9,25.7,25.4,25.2,25.6,25.1,23.1,22.8
1906,22,23.5,25.6,28.6,27.9,26.1,25.7,25.1,25.9,24.6,22.2,20.6
1907,20.3,22.4,24.2,27.2,26.3,25.2,24.9,24.9,24.9,24.6,22.9,18.9
1908,20.1,22.2,25.3,28.1,26.6,25.6,25.1,24.8,25,24.6,21.4,20.1
1909,20.1,22.5,25.6,27.5,26.2,25.4,25.1,24.9,25.5,25.3,22.3,19.6
1910,20.8,21.6,24.4,27.5,26.8,25.1,25,25,24.8,24.4,22.6,19.2
1911,20,21.6,24.8,27.9,26.8,25.6,25,25.3,25.4,24.8,23.7,21.2
1912,20.6,22.5,25.3,27.9,27.3,25.9,24.8,24.4,24.9,24.1,21.5,20.1
1913,20.6,22.6,24.6,27.4,26.3,25.7,24.4,24.5,24.9,24.3,21.6,19.8
1914,19.5,22.5,25.1,27.8,26.9,25.2,24.9,24.2,24.7,23.7,22.6,20.9
1915,20.7,23.3,25.2,27.3,26,25.9,24.7,24.8,24.5,24.9,22.2,18.5
1916,19,22.4,25.6,27.6,26.8,25.4,25.5,25.3,25.4,24.4,22.3,19.7
1917,19.8,22,24.6,27.5,27,25.1,25.3,25,24.9,24.3,22.9,19.5
1918,19.6,21.3,24.7,26.6,26,25.4,25.9,25.1,25.8,25.1,23.2,21.7
1919,21.3,23,26.2,27.9,27.2,25.5,25.3,25.6,25,24.9,23,20.9
1920,19.7,22.3,25.6,27.3,26.8,25.6,25.7,25.3,25.4,24.5,22.9,21
1921,21.1,21.8,25.5,28.2,26.5,25.8,24.9,25.3,25,24.1,22.1,20.4
1922,21.6,22.8,25.2,27.3,27.1,25.9,25,25.2,25.6,24.7,22.3,20.2
1923,21.1,21.2,25.4,26.8,25.8,25.3,24.3,24.4,24.8,24.1,23,21.1
1924,21.3,22.4,26.2,27.4,27.1,25.6,24.4,24.7,24.7,24,23.2,18.9
1925,20.3,21.7,25.3,26.2,26.6,25.8,25.3,25.1,25.4,24,22.6,19.8
1926,21.4,22.4,25.2,28.1,27.9,25.9,25.5,25.2,25.6,24.8,22.8,21.4
1927,20.8,22.4,25.4,26.8,25.9,25.8,25.4,25.2,25,24.3,22.8,20.8
1928,22.7,22.8,25.5,27.3,26.7,25.1,25.3,25.2,25.2,24.1,22.2,21.2
1929,22.1,22.1,24.9,27.1,26.8,25.2,25.3,25.2,25.4,24.7,22.6,21.4
1930,20.8,22.2,24.6,27.7,26.3,25.7,24.8,24.6,25.1,24.6,23.4,21.5
1931,20.9,22.4,25.2,28.3,28.7,26.4,25.9,25.6,25,23.9,21.8,21.2
1932,19.6,22.3,25,27.6,28.1,26.1,25.3,25.5,25.1,24.6,23.6,19.7
1933,21.2,22.4,25.4,28,26.9,25.5,25,24.6,25,24.8,22,20.2
1934,20.4,22.3,24.8,27,27.6,25.8,24.7,24.7,25.1,24.3,22.7,18.2
1935,21.6,22.9,25.3,27.5,26.9,25.6,24.8,24.3,25.2,25.2,23.5,22.1
1936,20.1,21.4,24.8,27.9,27.3,25.1,24.5,25,24.7,23.7,23.5,23
1937,21.4,23.3,25.6,28.2,26.1,25.4,24.9,25.3,25.3,24.7,24.5,21.7
1938,20.9,22.6,24.7,26.8,25.7,25,24.5,24.7,24.8,24.2,20.4,20.3
1939,20.6,21.4,24.2,26.6,26.1,24.9,24.1,24.4,24.4,24.2,23.1,17.2
1940,18.2,21.2,23.6,27.3,26.1,25.2,24.4,24.7,25,24.3,22.1,19.8
1941,21.3,21.9,25.1,28.4,27.3,25.9,25.7,25.4,25.3,24.7,23.1,22.1
1942,20.3,23.3,25.7,27.5,26.5,25.4,25.2,24.7,24.9,24.8,22.9,20.5
1943,19.9,21.6,25,26.4,26.7,25,25,24.6,24.7,24.6,22.4,20.2
1944,21,22.8,25.6,27.8,26.6,25.2,25.2,25,25,24.8,22.6,19.9
1945,20.8,22.6,25,27.7,26.5,25.5,25.3,24.9,25.2,24,23.4,20.9
1946,19,22.3,25.6,26.3,26.6,26.3,25.8,25.3,25.2,24.2,23,22.7
1947,22.7,23,26,27,28,25.8,25.2,26.3,25.8,25.1,22.8,21.3
1948,20.4,22.4,25.5,26.2,26.8,26.2,25.4,25.6,25.1,24.3,22.2,21.7
1949,20,22,25.1,26.4,26.5,26.3,25.3,24.9,25.3,25.2,23.3,20.7
1950,19.8,21.9,24.5,26.8,27.1,25.5,25.2,25.4,25.1,24.2,23.2,19.4
1951,19.8,21.6,25,27.5,26.9,25.3,25.2,25.4,25.6,24.6,23.7,21.2
1952,20.9,23.3,24.2,26.6,27.5,25.5,24.9,24.7,24.5,24.6,23.1,19.4
1953,20.8,22.1,24.2,27.1,26.4,25.7,24.8,24.6,25.1,24.9,22.9,20.9
1954,20.7,22.4,24.4,27.6,26.1,25.8,25.5,24.9,25.1,24,22.6,20.3
1955,19.2,21.7,23.9,26.3,26.6,24.7,24.8,24.4,24.9,24.4,22,18.2
1956,19,21.9,24.6,27.1,25.8,25.3,24.7,24.7,24.8,24.2,21.9,19.9
1957,20.3,21.1,24.7,27.6,28.3,25.9,25,25.2,25.1,24.7,23.5,21.5
1958,21,22.3,26,28,28.1,26,25.4,25.3,25.3,24.9,21.9,18.8
1959,20.6,22.5,24.7,28.3,27.2,26.1,25,24.9,24.7,24.4,23.4,23.3
1960,21.2,22.3,25,28.5,26.9,26.1,25,25,24.7,24.4,23.7,20.3
1961,20,22.1,24.4,27.4,26.4,25.8,24.8,25,24.5,23.9,22.5,21.1
1962,20,21.4,24.8,27.5,25.7,25.6,25.1,24.9,25,24.1,22.8,20.4
1963,18.7,21.9,24.5,27.1,28.4,25.5,24.5,24.9,25.4,24.3,23.1,20.3
1964,21.2,22.3,25.5,27.6,26.1,25.5,24.7,25,24.9,24.6,21.9,19.6
1965,19.6,22.5,24.3,27.4,27.8,25.3,25.6,24.9,24.9,24.2,22.4,22
1966,21.9,23.1,25.5,28.6,27.5,25.8,25.4,24.8,24.8,24.5,23.2,22.4
1967,21.1,21.8,25.1,27.5,26.7,25.9,25.5,24.9,24.7,24.1,22.6,20.3
1968,20.4,21.5,25.4,26.6,26.3,25.4,25.4,25.3,25.3,24.7,23.5,21.7
1969,20.7,22,25.8,28.7,27.7,25.9,24.9,24.5,25.1,24.7,21.8,20
1970,20.9,22.1,25.6,26.9,26.4,25.4,24.7,24.5,24.8,24.2,22.6,21.4
1971,19.4,21.4,24.8,27.1,26.5,24.9,24.3,24.3,24.9,23.3,20.4,20.3
1972,19.3,22.1,24.4,26.3,27.5,25.8,25.6,24.8,25.4,25,23.3,21.4
1973,20.2,22.8,25,28.3,26.3,25.9,25.3,24.7,24.9,24.7,21.8,19
1974,18.5,21,24.5,26.9,26.2,25.2,25,24.8,24.9,25,22.6,20.4
1975,21,22.3,25.5,27.7,26.2,25.5,25,24.8,24.8,25,22.7,19.3
1976,19.5,21.9,24.6,26.5,25.4,25.2,25.2,24,25.3,24.6,21.2,20.3
1977,20.7,20.8,24.3,26.8,25.3,25.6,24.2,24,23.9,23.5,20.8,20.6
1978,20.4,22.1,25.4,28.4,27.3,26.2,25.7,25.7,25.6,25,23.7,21.8
1979,22.5,24.2,26.6,28.9,27.9,26.6,26.7,25.6,26.2,24.9,23.1,21.7
1980,20.8,23.3,26.5,29.2,28,25.7,25.8,24.7,25.2,24.3,23.6,20.8
1981,20.2,22.6,25.7,27.5,26.6,25,24.4,24.7,25.1,24.9,22.9,19.5
1982,19.9,22.5,26.1,27,27,25.1,25,24.8,24.5,24.7,23.6,19.1
1983,19.6,23.5,26.2,29.5,28.4,26,26,25.2,25.2,24.5,21.3,19.4
1984,20.2,24.4,26.1,28.1,26.7,24.8,24.6,24.8,24.7,23.7,22.9,21
1985,21.9,23.6,26.2,28.1,26.5,24.6,24.3,24.7,25,24.4,22.6,20.5
1986,20,23,24.5,27.6,26.2,25.7,24.8,25.1,25,24.5,23,21.2
1987,21.2,22.6,25.2,27.9,28.1,25.9,25.8,25.2,25.3,25.3,24.2,18.5
1988,20.7,23.7,26.1,27,26.5,25.2,24.8,24.9,25.2,24.1,20.9,19.6
1989,21.3,22,25.2,27.8,26.7,24.8,24.8,24.9,24.8,24,22.2,18.8
1990,21.3,22.7,25.1,27.6,26,25.3,24.8,25.4,24.9,24.7,22.9,20.7
1991,21.7,23.2,26.8,28.6,28.6,25.8,25.9,25.3,25.9,25.1,22.5,21
1992,19.9,21.4,25.4,28.8,28.8,26.9,25.2,25.4,25.3,23.4,21.4,19.1
1993,20.1,21.7,25.5,27.3,27.4,26.3,26.4,25.3,25.5,24.9,22.9,21.1
1994,21.9,24.1,25.1,27.7,26.6,25.3,24,24.4,25.3,24,21.3,21.6
1995,21.6,21.5,25.9,28.3,27.2,26.4,25.4,24.2,25.5,24.5,22.8,19.5
1996,20.9,21.3,25.7,27.1,25.9,24.9,24.6,24.6,24.9,23.9,23.3,20.9
1997,20,21.7,24.8,26.4,27.6,26.6,25.6,25.4,24.9,24.5,23.3,22.4
1998,21.4,22.8,26.4,28.8,28.3,27.1,25.7,26,25.8,25.5,22.6,22.7
1999,22.1,24.6,25.5,26.6,25.1,25.3,24.7,24.8,24.2,24.5,22.7,19.2
2000,21.7,22.5,24.8,27.2,25.5,25.2,24.4,25.4,24.2,25.1,22,21.7
2001,22.6,23.7,25,29,25.6,25,24.4,24.8,24.6,24.3,20.9,21.6
2002,20.4,23,25,27.8,26.2,25.3,24.7,24.2,24.1,24.2,22.6,21.8
2003,20.1,22.2,24.5,27.6,26.6,24.5,24.9,24.7,24.9,24.8,23.1,20.6
2004,20.7,22.5,25.8,28.6,25.8,24.6,24.1,24.6,24.2,24.1,23,19.3
2005,20.6,24,25.2,27.5,27,25.4,25,24.3,24.3,24.5,23,20.8
2006,20.5,23.5,26.3,27.1,25,25.3,24.3,24.1,24.8,24.3,22.9,20.9
2007,20.4,22.4,25.4,28.1,25,25.4,24.7,24.8,25,24.1,21.7,21.1
2008,23,23.1,26.2,28.1,25.6,25.5,25.3,25,25,25,22.6,20.5
2009,20.3,24,25.7,28,26.7,25.3,25.3,25.8,25.9,25.5,23.4,21.5
