1901,22.7,24.7,28,31.5,31,29.6,29,29.3,29.5,28.9,25.5,23.1
1902,23.2,24.6,28.8,29.5,30.7,28.3,28.4,28.7,29.2,28,25.9,23
1903,22.4,24.5,27.8,31.2,30.1,28.6,29,28.2,29.7,29.5,26,22.9
1904,22.1,24.9,27.7,29.7,29.9,29.2,28.4,28.9,29.6,29.2,25.2,22.2
1905,22.3,24.2,26.4,29.5,30.5,29.7,28.7,27.9,30.1,28.8,26.2,23.2
1906,23,24.4,27.2,29.6,30.5,29.2,29.1,27.8,30.4,28.8,26.2,23.1
1907,23.1,24.8,26.8,30,30.2,28.5,27.9,29.4,28.7,29.3,26.5,23.1
1908,22.9,25.3,28.9,32.1,30.4,29.5,28.2,29.2,29.3,28.8,25.4,23
1909,22.4,24.9,29.5,30.6,29.4,28.6,28.7,28.5,30.5,29.8,27.2,23.4
1910,22.9,25,27.7,30.8,31.1,28.2,27.6,28.7,29.9,28.4,26.5,23.3
1911,23.5,24.5,27.5,30.9,30.1,29.1,27.9,28.7,29.4,28.6,26.2,23
1912,23.1,25,27.5,29.7,30.6,29.2,27.9,28.4,29.4,28.2,25.9,23.3
1913,23,25.1,26.9,29.5,29,28.8,28.3,28.7,29.3,28.5,25,22.5
1914,22.8,24.7,28.1,30.1,30.3,29.5,28.9,27.8,29.3,27.6,26.1,23.9
1915,23.7,26,28.2,31.4,29.9,28.4,27.7,28.1,29,30.8,27.2,23.7
1916,22.6,25.6,29.3,30.1,31.4,30.1,28.8,29.4,30.1,27.7,26.9,22.7
1917,22.6,24.1,27.8,29.3,30.9,28.6,29.1,28.9,29.3,28.6,27.3,23.4
1918,22.8,24.6,27.2,29.2,29.4,27.8,28.8,28.1,30.4,28.4,26.3,24.5
1919,24.2,25.1,30.1,31.4,31.9,30.1,28.3,30.1,28.9,28.7,26.2,23.2
1920,23.7,24.1,26.9,30.4,30.2,29.6,29.7,29.2,29.5,28.9,27.2,24.7
1921,24.2,25.4,28.6,31.5,30.6,28.9,28.8,29,30.6,27.9,26.1,23.5
1922,24.5,26.7,28.5,31.3,30.9,29.2,28.9,28.8,30.3,29.4,25.9,23.9
1923,25.1,23.9,29.8,30.8,29.3,28.7,29,29.2,30.4,28.6,26.8,24.7
1924,24.2,25.4,31.1,31.4,30.2,28.8,28.2,28.3,30,28.4,25.4,23.7
1925,22.7,23.8,28.9,30.1,29.5,29.6,29,28.3,29.8,27.2,26,23.3
1926,23.4,24.3,26.4,30.1,30,29,28.5,29.4,30.2,29.8,26.2,24.3
1927,22.5,23.7,27,29.7,30.1,29.1,29.7,29.2,29.2,28.1,25.9,25
1928,24.7,26.4,28.8,32.5,31,28.2,29.2,29.1,30.2,28.5,25.3,25.1
1929,23.7,25.2,29.4,30.4,29.5,29.1,29.7,29.2,29.8,29.4,25.7,23.9
1930,21.8,25,27.7,30.8,30.1,28.7,29.8,28.4,30.5,28.2,25.7,24.1
1931,24.3,26,28.9,32.3,30.4,29,28.7,30,30.1,28.9,25.4,23.7
1932,23.7,22.9,29,32.1,31.2,29.1,29.7,28.7,30,29.5,26.7,23.8
1933,24.6,26.4,30.4,30.8,29.6,29,29.2,29.1,30,29,25.8,22.8
1934,23.8,24.7,28.8,32,30.9,28.4,29.5,29.3,30.5,28.7,24.9,23.2
1935,23.4,24.7,30.2,31.7,32.4,28.1,29.9,28.7,30.3,28.8,26.2,23.4
1936,22.2,23.3,28.9,30.8,30.3,29.4,28.7,28.2,29.6,27.5,27.1,23.8
1937,22.9,25.3,29,32.5,30.3,29.2,30,28.4,29.8,28.8,26.4,23.5
1938,23.6,25.2,27.8,33,29.3,28.6,28.6,28.8,30,28.4,25.9,23.9
1939,23,25.6,28.5,31,31.1,29,28.7,29.9,29.6,29.1,27.5,23.7
1940,22.9,26.3,25.6,32.3,30.1,29.7,28.3,29.8,29.8,30,26.4,24.3
1941,23.6,26,29.6,32.2,31.1,28.9,29.3,29.9,29.5,29.7,26.8,25.2
1942,24.8,27.6,28.6,31.4,30.5,28.7,29.5,29.2,30,30.8,27.3,24.2
1943,24.3,24.4,27.1,30.3,30.7,28.5,29.3,28.6,29.7,29.8,27.7,24.8
1944,22.7,24.8,29.1,30.3,29.9,28.7,29.6,30,29.1,29.2,27.2,25.1
1945,24.6,24,29.2,32.7,29.6,30.1,29.1,28.4,30.4,28,27.9,23.7
1946,24.7,27.5,29.1,32.1,31.1,29.7,29.2,30.5,30.6,28.8,28.2,24.4
1947,24.7,26.2,29.4,29.8,31.1,29.1,28.8,29.8,30.3,28.5,27.8,24.9
1948,24,24.1,27,31.4,28.2,28.9,28.8,29.6,30.7,28.8,25.9,24.5
1949,22.8,25.2,28.3,29.3,30,29,28.4,28.8,30.2,29.2,26.3,24
1950,23.6,25.2,28,31.4,31.5,28.8,29.1,28.6,30,28.8,26.5,23.3
1951,23.1,26.8,28.6,29.7,31.7,28.3,27.8,29.3,30.1,28.9,26.2,23.6
1952,23.6,27,27.8,31.7,31.3,29.9,29.1,29.3,29.7,29.3,26.5,23.9
1953,23.6,26.7,28.7,33.1,30,30.1,29,30.7,29.5,28.7,26.9,24.7
1954,22.7,26.2,29.6,31.8,30.5,28.7,27.6,28.3,30.1,27.9,26.4,23.3
1955,23.3,26.7,28.6,31.5,31.3,28.9,27.4,28.3,30,28.8,26.3,22.1
1956,21.7,25.3,28.2,32.3,28.6,27.4,29.1,29,30,28.4,25.3,23.2
1957,23.1,23.4,28.7,31.9,31,28.6,28.4,29,30,27.9,26.1,23.4
1958,23.2,23.7,30.5,32.2,30.1,31.1,29.1,27.7,30.2,28.9,26.3,22.9
1959,22.2,22.5,27.2,32.3,29.1,28.8,29.1,29.4,28.9,27.8,25.7,23.8
1960,23.8,26.7,28.9,34.1,31.8,29.8,28.1,30.2,30.3,29.2,26,24.3
1961,23.9,24.1,28.2,31.6,30.2,29.9,29.8,29.2,30.3,29.2,25.4,22.5
1962,22.5,25.2,28.8,32,30.5,28.8,30.1,28.5,30.7,28.7,25.8,23.6
1963,23.3,26.5,28.4,29.9,29.9,29.3,29,28.8,30.7,27.8,25.7,23.5
1964,22,24.9,28.7,30,30.9,28.9,27.8,29.5,30.2,29.7,26.3,22.9
1965,23.1,23.8,27.2,30.8,30.6,29.4,29.2,28.1,28.7,27.9,25.9,23.1
1966,23.3,26.6,28.9,31.7,31.6,27.9,28.6,28.3,29.4,27.6,27,23.2
1967,22.8,25.2,26.2,29.6,30.5,28.6,28.8,30.5,29.2,28.4,24.8,23.1
1968,22.3,23,26.4,29.7,30,28.8,29,29.2,29.9,28,26,24.1
1969,22.7,25.7,31.3,31.6,32.7,28.8,29.3,28.6,30.8,28.4,25.9,23.9
1970,22.5,25.8,28.3,31.3,29.5,29.6,28.1,29.8,30.1,28.9,25,23
1971,21.9,24.5,29.3,30.5,30.8,29.3,29.2,28.2,29.6,29.1,25.8,23.2
1972,23.3,24.6,29.1,30,31.8,30.3,28.4,29.8,30.4,29,25.7,23.6
1973,23.2,26.2,29.1,32.6,30.2,29,29.9,30,29.8,29.2,24.4,22.8
1974,22.5,25.8,27.1,28.8,30.5,29.5,28,28.7,28.3,30.1,26.3,22.3
1975,22.5,25.1,31.5,32.5,29.6,29.6,28.9,30,29.6,29.6,24.8,22.3
1976,22,23.9,30.9,31.3,29.5,29.1,29,28.8,30,28.2,25.9,22.5
1977,22.2,25,28.7,28,29.3,28.3,28.9,29.3,30.5,27.4,25.6,23.2
1978,21.7,25.1,28.3,32.7,29.8,29.2,29.3,30.7,29,29.8,26.1,24.4
1979,24.2,25.7,27.7,32.9,34,30.8,29.9,29.5,28.9,28.3,26.8,22
1980,22.4,25,28.2,32.8,31.8,29.3,28.8,28.8,29.9,27.6,26.2,24.1
1981,23,25.7,26.2,31.6,29.4,28.9,29.4,29,30.2,29.4,25.7,23.6
1982,23.7,23.8,27.9,28.3,31.4,28.5,28.6,29.4,30.1,29,25.1,21.9
1983,21.6,22.1,24.4,29.1,31.3,29.8,29.3,29.2,29.9,29.9,25.7,21.5
1984,21.6,25.7,29.4,31.1,29.7,29.5,27.7,29.7,28.6,28.6,26.4,23.2
1985,23,23.7,28,30.2,30.2,28.5,27.8,29.5,28.9,29,24.7,23.2
1986,23.1,25.6,27.7,29.6,31.7,31.4,28.2,29.5,29.1,27.4,26.4,23.5
1987,23.5,26.4,26.4,29.6,32.5,28.5,28.7,28.9,28.6,29.3,26.5,23.9
1988,24,26.5,28.5,32,27.6,29.8,28.6,28.3,29.4,29.9,26.8,24.7
1989,22.8,24.6,28.4,31.1,31.8,29.6,28.5,29.4,29.6,28.9,25.4,22.6
1990,24.1,25.3,25.7,30.8,29.6,27.9,28.7,30.1,29.8,28.8,25.6,23.3
1991,22.3,26.6,29.2,31.2,29.1,28.8,29.4,28.9,29.7,28.3,24.4,22.5
1992,21.8,20.6,27.2,31.8,30.6,31.5,28.9,29.6,30,27.3,25.8,22
1993,21.3,23.2,26.3,31.5,29,30.3,29.9,28,30.1,28.6,26.2,24.7
1994,24.8,24.3,27.3,31.2,32.9,29.3,30.1,29.8,30.6,28.2,25.6,22.6
1995,22.8,23.4,28.2,32.4,31.9,29.1,28.7,29,28.8,29.4,24.8,22.7
1996,22.6,26.2,26.2,30.5,30,29.8,28.3,29.2,30.1,29.2,26,23.5
1997,22.2,22.3,26.8,29,31.6,28.8,29,29.6,28,28.3,25.6,22.9
1998,22,23.8,25.8,30,31.5,28.4,28.5,28.2,30.9,30.5,27.6,25.3
1999,24.5,28.1,28.7,33.2,29,29.7,28.7,28,30.6,29.2,25.8,24.1
2000,23.1,22.9,25.6,30.6,29.6,28.9,29.1,28.4,29,29.3,26.3,23.7
2001,23.7,25.1,28,31.7,28.9,28.7,28.9,30.4,30.3,28.5,25.6,23.8
2002,22.6,26.2,27.8,30.5,29.9,29.6,28.4,29.7,30.1,29.1,25.5,22.6
2003,23.2,24.6,26.5,30.6,29.1,29.7,29.3,29.9,30.6,29.6,26.7,23.4
2004,22.4,25.5,29.6,29.7,29.8,29.4,28.5,30.2,28.8,28.9,26,23.3
2005,22.8,25.9,26.7,31.7,31.2,30.5,30.2,29.4,31.7,29.2,26.4,24
2006,24.1,26.7,29.3,30.9,30.4,29.6,30.3,31.4,29.9,29.7,26.3,23.4
2007,23.2,23.3,29.3,30.2,31,29.9,28.7,30.1,29.9,28.9,26.3,23.6
2008,22.9,24.2,28.1,32.4,30.1,29.1,29.1,29.1,30.9,29,26.9,23.6
2009,23.7,27.4,29,31.8,31.7,29.9,29.8,30.2,31.7,30.1,26.8,23.3
