1901,23.8,22,25.7,28.7,30,30.1,29.9,29.1,28.6,27.6,25.2,22.8
1902,23.4,23.3,27.2,29.1,30.8,30.1,29.9,29.6,28.8,27.5,26,24.3
1903,22.3,22.7,27,29.3,29.6,30.1,29.7,29,27.9,27.1,24,21.6
1904,21.6,23.8,25.3,28.1,29.4,29.6,29.5,29.2,28.8,27.5,24.7,22.1
1905,24.5,22.3,24.1,27.7,30.3,30.1,30,29.5,28.8,27.4,25.3,25.2
1906,22.8,24.2,25.2,28.4,30.2,30.7,30.3,30.2,29.2,27,24.2,23.6
1907,23,23.1,25.4,27.8,29.5,29.5,30,29.4,28.9,28.3,26,22.2
1908,23.3,22.8,24.6,27.6,29.5,29.7,29.9,29.5,29,27.5,25,23.3
1909,22.8,23.7,25.7,28.4,29,30.4,29.8,29.9,29.4,28,25.2,23.1
1910,23.5,23.2,25.2,27.9,30.5,30.3,30,29.7,28.3,26.9,24.9,21.6
1911,21.9,23.5,26.1,28.1,29.3,30.4,29.8,29.8,29.3,27,25.6,24.2
1912,21.6,23.7,26.2,28.5,31.2,30.5,30,29.4,28.6,27.5,24.8,22.6
1913,22.1,23.8,25,28.8,29.7,30,29.7,29.3,29,27.5,25.2,22.4
1914,23.3,24.6,26.9,29.1,31,30.3,29.5,29.6,28.8,27.6,25.2,23.7
1915,22.5,25.3,26.3,29.9,29.5,30.3,30,30.1,28.9,28,25.1,22.6
1916,22.3,23.1,24.7,28.4,30.4,29.3,30.3,29.7,28.6,27,24.3,22.6
1917,21.2,23.5,24.6,28.3,29.4,30,29.2,29.4,29.3,27.2,24.2,21.5
1918,20.4,22.6,25.4,28,29.3,29.5,30.1,28.7,28.6,27.6,25.3,24.7
1919,23.5,23.2,27,29.3,30.2,30.2,29.5,30,28.9,26.8,24.7,22.8
1920,22.1,22.8,25.1,27.9,29.6,29.9,29.8,29.6,28.9,26.9,25.4,23.5
1921,22,23.4,26.1,28.9,29.8,30.2,29.6,29.8,28.4,27.2,24.9,23.4
1922,22.4,23.5,24.9,28.4,30.5,29.8,29.6,29.5,28.2,26.9,24.3,22.8
1923,22.8,22.8,26,28.2,29.2,29.4,29.3,28.7,28.4,26.6,25.6,23.5
1924,23,23.2,24.9,27.2,30.2,29.6,29.2,29.4,29.7,27.4,25.2,22.6
1925,21.3,21.5,25.5,25.5,29.6,29.9,29.9,29.8,28.9,26.4,25.9,23.2
1926,22.7,23.1,25.3,27.6,29.8,29.1,29.9,28.9,29.3,26.3,24.7,22.5
1927,22.9,23,25,27.1,28.8,30.6,29.8,29.9,28.8,26.3,25.7,24.5
1928,24.5,22.3,27.6,28.1,29.9,29.5,30.4,29.6,28.2,25.8,24.5,24.7
1929,24.4,23.5,25.3,27.1,32.3,31.9,29.9,29.2,28.5,28.1,24.5,25.3
1930,20.3,23.4,24.3,31.7,30.6,31.4,28.8,29.2,27.4,27.7,26.6,24.2
1931,24.3,25.3,26.8,31.3,31.4,31.2,31.1,28.9,29.1,25,25,23.6
1932,22.8,22,24.6,29.6,31.5,30.7,29.6,29.3,27.5,26.8,25.5,23
1933,18.9,25.5,25.9,30,31.3,31.5,30,29.5,29.2,27.4,24.3,24.4
1934,20.5,22.3,25,26.3,29.8,30.9,28.5,28.6,28.2,24.8,25.2,23.6
1935,23.4,24.4,27,29.6,29.3,31.5,29.6,29.6,27,27.2,25.9,22
1936,20.7,23.5,22.5,30,30.3,30.9,30,28.8,28.8,26.6,26,24.3
1937,23.2,24.1,27.9,29.1,30.3,29.9,29.5,28.8,28,27.7,24.2,24.1
1938,22.9,23.1,24.4,28.1,29.9,30.6,29.3,28.4,28,27,24.3,23.2
1939,22.5,24.6,27.3,27.1,29.4,30,29.6,29,28.3,27.4,25.4,22.2
1940,23.3,24.5,26,27,30.2,31.2,31,28.9,28.9,28.3,25.8,25.7
1941,26.5,25.7,26.2,28.8,30.8,30.7,31,29.7,28.5,27.1,24.8,23.4
1942,22.7,24.1,27.4,29.1,30.2,30.5,29.9,28.8,28.2,26.4,25,23.1
1943,22.2,24.4,27.1,28.3,30.5,30.9,30.7,29.7,30.2,27.8,25.4,23.3
1944,23.8,23.2,26.1,29.1,30.1,30.5,30.9,29.5,29.3,27.5,26,20.5
1945,22.2,20,25.1,27.8,28.5,30,30,29.5,28.6,25.7,26.4,24.1
1946,25,27.6,26.9,30.6,29.8,30.3,29.1,28.7,28.4,27,25.6,22.4
1947,25.6,23,24.3,26.3,29.8,30,29,28.9,28.1,26.4,24.5,22.6
1948,23.1,24.5,26.3,27,29.3,28.9,28.9,28.8,29.4,28.5,24.7,25.5
1949,22.5,25.3,28.1,28.9,31.4,31.4,30.9,30.5,29.5,27.6,25.3,24
1950,25.2,23.5,27.5,28.1,30.4,30,30.5,29.4,28.9,27,25.5,22.4
1951,21.7,25.3,24.7,28.5,29.2,29.7,30.7,29.8,29.8,28.4,25.4,23.7
1952,24,26.4,29.1,29.8,32.2,31.2,31.2,29.3,28.7,27.5,26.6,22.1
1953,23.7,24.2,28.5,27.5,31.1,31.2,31.8,30.6,28.7,29.1,25.7,23
1954,25.2,25.8,23.9,30,31.6,32,32.1,30.6,28.7,27.8,26.3,22.5
1955,21,26.2,28.5,29,31.7,31.2,30.8,30.4,30.1,28.3,24.3,24.8
1956,22.3,25.3,28.6,29.4,31.2,31,31.1,29.5,29.4,27.8,24,21.4
1957,23.5,21.9,25.1,28.7,31.1,30.5,30.5,29.7,29,26.5,26.2,24.9
1958,22.4,21.8,28.1,29.9,31.5,29.6,29.7,29.6,28.6,26.5,25.1,24.5
1959,23.2,24.6,24.8,29.3,30.1,31.5,30.1,29,28.6,27.3,26.2,24.5
1960,23.5,24.4,28.7,28.2,30.4,29.8,29.9,29.2,28.2,26.3,25.6,22.9
1961,22.2,23.3,27,28.9,29.7,30.3,30.7,30,28.7,27.3,26,24.9
1962,20.9,23.8,25.6,27.8,30.8,30,30.3,29.9,28.2,27.5,24.3,23.3
1963,20.4,22.8,25.3,28.3,31.3,29.8,29,29.2,28.9,27.3,26.7,24.1
1964,23.3,22,25.9,30.6,29.7,29.9,30.1,29.2,28.4,27.7,24.1,22.7
1965,22.9,25.4,25.8,28.5,29.5,29.1,29.3,29.3,28,27.8,25.6,23.4
1966,24.8,25.6,27.1,29.9,28.5,30,29.8,29.3,28.7,27.9,25.5,24.4
1967,20.2,21.4,26.2,27.5,30.8,29.9,30.8,28.9,27.3,26.1,25.3,21
1968,22.8,18.4,25.1,26.6,30,29.4,30.6,29.4,28,26.8,25.7,26.3
1969,23.7,22.7,24.5,28,30.6,29.8,29.6,29.8,29.3,27.7,24.4,22.4
1970,21.5,25,24.7,27,29.8,30.3,30.3,29.3,28.2,25.4,23.7,22.8
1971,20.7,22.4,24.9,28.5,29,29.4,28.9,28.7,29.1,25.6,23.9,22.3
1972,21.4,23,25.5,26.8,29.8,29.8,29,28.2,28.6,27.6,25.3,23.5
1973,22.3,27,28.4,30,31.1,30.2,29.7,28.7,28,26.3,24.1,22.5
1974,22.7,22,24.3,27.1,30.2,29.6,30.6,29.2,29.4,26.7,23.7,21.9
1975,21.5,24,26.8,29.3,30.7,29.7,30,28.8,29.3,26.8,24.1,20.3
1976,21.6,24.8,25.2,28.4,29.7,29.6,29,28.9,28.6,27.3,23.1,22.9
1977,20.6,20.5,25.8,29,31.4,32.1,30,30.2,28.3,28.2,25.4,25.4
1978,23,23.3,26.4,28.4,29.4,30.1,30.4,29.1,27.8,26,25,24.5
1979,24.9,25.9,26.7,27.8,29.3,29.5,30.5,29.5,28.5,27.2,24.6,24.7
1980,24.1,21.7,28.5,29.4,29.8,30.2,30,30.2,28.3,27.7,25.8,23.9
1981,22.7,25.4,27.9,29.9,28.9,29.4,29.3,30.3,29.1,27,24.6,21.6
1982,23.2,23.6,27,26.4,29.2,29.8,30.1,30,28.4,28.3,25.9,22.2
1983,20.7,22.1,23.6,29.1,31,31,31.4,29.8,30.4,27.6,25.6,22.4
1984,20,20.9,25,29.6,29.4,30,30.4,29.5,28.9,27.9,25.8,22.5
1985,21.7,23.9,23.6,25.4,30.5,29.8,30.2,29.1,27.5,27.8,26.1,23.5
1986,22.6,23.1,25.1,29.2,29.4,30.3,30,30,29.6,27.5,24.7,23.3
1987,23.6,26,29.1,28.5,30.7,30.7,30.7,30.7,29.9,29.2,25.8,22.1
1988,24.3,24.3,24.4,26.2,31.2,30.9,30.8,29.7,30,26.2,23.6,23.3
1989,21.4,22.9,24.5,28.7,29.8,30.4,30.1,30.5,30.1,27.3,25.3,23.9
1990,22.8,23.4,24.7,28.9,28.5,30.1,30.5,30.7,29.4,27.3,25.8,24.8
1991,24.8,24.9,27.2,29.7,30.8,30,30.1,30.1,29.9,27.7,25.3,23.8
1992,21.9,22.3,26.4,28.9,30.7,30.1,29.7,30.7,29.6,26.6,25.8,24.5
1993,21.7,25.7,26.5,28.6,30.7,31.4,31.1,30.1,29.3,27.8,25.6,23.1
1994,24.1,24.8,24.8,30.2,31.7,30,29.3,30.1,28.8,28.4,27.1,25.3
1995,22.8,22.8,26,30,30.2,30.6,30.5,29.8,29.3,27.5,24.7,23.1
1996,24,21.2,27.1,26.1,29.8,31.4,31.2,30.2,28.5,28.2,26.1,23.5
1997,23.3,21.8,26.7,28.3,29.9,30.1,29.9,30.6,28,28.7,27.5,25.1
1998,25.2,24.9,27.6,29.7,30.6,31.3,30.7,30.9,29.5,29,26.4,23.6
1999,22.5,25.1,27.4,28.7,28.8,30.6,30.8,29.9,29.6,28.1,25.4,21.5
2000,23.5,22.6,26.1,29,29.7,30.2,30.1,30.5,29.3,27.9,24.8,24.1
2001,24.5,23.9,26.3,29.9,30.3,30.3,30,30.2,29.6,28.9,25.3,23.3
2002,23.5,25.4,27.8,30.5,30.6,31,30,29.7,27.9,28.1,25.8,23.8
2003,22.8,26,26.7,30.7,31.2,31.1,31.3,30.5,29.1,28.8,26.5,23.6
2004,23.9,23.2,26.2,29,30.3,31,30.5,30.7,29.7,28.5,26.7,25.1
2005,23.7,25.1,24.9,28.9,31.7,31.3,31,30.2,30.3,28.7,27.2,22.7
2006,23.3,25.2,26.2,30.2,31,31.4,31.1,30,29.4,29.6,27.3,24.5
2007,21.9,26.3,27.4,27.3,29.6,30.4,30.8,28.8,28.9,27.2,24.2,24.6
2008,21.9,18,25.6,28.9,29.4,29.4,30,29.5,29.5,27.8,25.6,23.4
2009,20.5,27.7,26.2,26.9,28.6,30.5,29.5,29.7,29.1,27.5,24.1,23.3
