1901,23.8,25.3,27.3,29.5,28,25.6,24.4,24.3,25.4,24.6,23.6,21.5
1902,22.8,24.8,28.2,29.3,28.6,26.5,25,25.1,24.3,24.4,23.3,22.4
1903,23.1,25.2,28,29.3,28.1,26,24.5,24.1,24.3,24,22,21
1904,22.2,24.6,27.5,29.2,27.5,24.8,23.9,24.1,24.7,24.6,22.6,21.4
1905,22.6,25.1,27.5,28.3,28.3,26.5,24.9,24.6,24.7,24.5,23.4,21.6
1906,23.6,25.8,27.2,30.1,29.5,26,24.4,24.1,23.7,24.3,23.7,22
1907,22.8,25.3,27.7,28.1,28,25.5,24.5,23.5,24.9,24.8,23.4,22
1908,23,24.9,27,29.8,28,26.3,23.8,23.9,24.8,24.8,22.8,21.4
1909,22.7,25.2,28.2,28.9,27.9,26,24,24.4,23.9,24.5,23.7,22.5
1910,23,25.3,28.2,29.7,28.8,25.8,24.8,23.7,23.6,24,21.9,20.5
1911,23,23.9,27.6,29,28.1,25.7,24.3,24,25.3,24.4,23.6,22.5
1912,22.7,26.3,28.3,29.9,29.4,26,24.4,24.2,24.7,24.2,22.7,21.3
1913,22.1,25.4,27.9,29.7,28.9,25.8,24,24.3,25.3,24.2,23,22.4
1914,22.4,25.6,28.2,29.1,29,26.9,24.5,24.2,25.1,24.6,23.6,22.7
1915,23.4,25.8,27.9,29.5,28.8,26.4,25.1,25.1,25,24.8,23.6,21.4
1916,22.3,25.2,28.3,29.9,28.3,25.1,24.8,24,24.3,24.2,22.9,21.2
1917,22.2,24.5,27.2,29.1,27.6,24.9,25.1,24.2,24.2,23.4,23,21.5
1918,22.3,24.1,27,28.8,27,25.4,25.4,24.6,24.8,25.4,24.4,22.1
1919,23.8,25.9,27.8,30,28.2,25.7,24.7,24.3,24.9,24.8,23.4,22.2
1920,22.8,25.6,28.4,29.2,28.8,26.1,24.7,24.4,24.9,24.9,23.4,21.6
1921,23.6,25.1,28.3,28.9,29.1,26,24.6,24.3,23.9,24.4,22.5,21.6
1922,23.1,25,28.3,29.6,28.2,25.7,24.2,24.2,24.5,24.2,23.2,21.1
1923,22.6,25,27.5,29.1,28.4,26.6,23.7,24.1,24.3,24.8,23.9,22.9
1924,23.4,26,28.4,30.5,29.4,26,24.3,24.5,24.6,24.7,23.2,22
1925,23.2,25,28.1,30.1,27.3,25.8,24.5,24.4,25.2,24.8,23.7,22.4
1926,23.7,25.9,28.7,29.2,29.3,27.2,25.5,24.6,24.8,24.7,23.5,22.6
1927,23.9,26.2,29,30.2,29,26,24,24.5,25,24.6,22.9,22.7
1928,23.9,25.5,28,30,29.5,26.3,24.6,24.1,25.1,24.6,23.7,22.2
1929,23.5,25.5,28,29.1,28.5,25.8,25.1,25.2,25.4,24.5,23.6,22.5
1930,23.3,25.2,27.9,29.6,28,26.3,24.8,24.7,25,24.7,23.2,22.6
1931,23.4,26,28.5,30.5,29.5,27,25.1,24.9,24.6,24.9,23.7,22.2
1932,22.3,25.1,27.6,29.7,28.2,25.9,24.4,25.1,24.7,25.1,23.8,22.2
1933,23,25.9,27.9,29.4,27.4,24.9,24.4,24.2,24.3,24.2,24.1,22.1
1934,22.9,25.2,27.6,29.5,28.7,26,24.8,24.2,25.2,25.3,22.1,21.5
1935,23.1,25.8,28,29,29.2,26.4,24.3,24.3,24.1,25,22.8,22.6
1936,23.7,25.9,27.9,29.6,28.9,24.8,24.4,24.2,25.1,24.9,24,22.9
1937,23.1,26.4,28.5,28.1,28.6,25.8,24.1,24.8,25.1,24.6,23.3,22.3
1938,23.9,26.1,29,29.8,28.6,25,24.3,24.2,24.3,23.8,23.2,22.4
1939,23,25.5,27.7,28.6,28.6,26,24,24.3,24.5,25,23.1,21.7
1940,21.9,25.5,27.6,29.1,27.7,25.9,24.4,24.1,25,25,23.7,22.4
1941,23.5,26.1,29.3,29.9,28.9,25.6,25.2,25.1,25,25,24.2,23.1
1942,23.3,26.1,28.8,28.9,28.9,25.8,24.4,24.3,24.7,24.7,23,22.9
1943,23.7,25.4,28.8,28.5,26.8,24.7,24,24.3,24,23.3,23.3,21.8
1944,23.5,25.4,26.8,28.2,28.7,25.7,24.2,24.8,24.9,24.3,23.5,22.7
1945,23.3,26.4,28.5,28.4,28.2,25.8,24.7,24.5,24.6,24.4,22.9,22.3
1946,22.6,25.6,28.7,28.5,27.6,25.2,24.4,24.2,24.6,24.6,23.2,23
1947,23.8,25.6,28.5,28.6,28.6,25.8,24.6,24.9,24.3,24.1,22.7,22.7
1948,24,26.4,28.4,28.8,27.8,25.8,24.7,24.4,24.6,24.4,24.2,22.1
1949,23.2,25.5,28.9,28.7,27.6,25.4,24.6,24.5,24.2,24.4,22.4,21.9
1950,23.2,25.8,28.3,29.1,28.4,25.5,24.1,24.7,24.3,24.1,22.6,22.3
1951,23,25.2,28,28.7,27.8,24.6,24.4,24.8,25.5,24.6,24.1,21.8
1952,23.4,25.9,27.9,29.8,28.4,25.9,24.7,24.2,24.8,24.6,23.3,22.8
1953,23.3,25.4,28.8,28.7,28.6,26.2,24.4,24.4,24.8,24.2,22.5,22
1954,23.3,26.2,27.8,28.9,27.7,25.5,24,24,24,23.5,22,22.4
1955,23.2,26,28.1,28.4,26.9,25.1,24.6,23.7,25.2,24.7,22.3,21.5
1956,23,25,28.6,29.6,27.5,24.7,23.4,24,24.4,23.9,23.3,21.8
1957,23,25.2,27.2,28.8,28.4,25.7,24.4,24.5,24.9,25.3,23.8,23.3
1958,23.7,26.2,28.5,29.5,28.2,26.6,24.4,24.7,24.6,24.5,24.2,22.6
1959,24,26.1,28.4,29.2,28.8,25.5,23.8,24.3,24.7,24.8,23.7,22.8
1960,23.8,25.7,28.3,29.2,27.8,26,25,24.5,24.5,24.7,23.2,22.6
1961,23.1,25.3,28.5,29.4,27.6,25.2,23.7,24.4,24.5,24.1,23.3,22.1
1962,22.4,25.2,27.4,28.4,27.7,26.4,24.7,24,24.5,24.7,23.1,21.7
1963,22.6,24.7,27.7,28.2,28.2,25.6,25,24.2,25.1,24.6,23.9,22.4
1964,22.5,25.4,28.1,29.8,28.7,26.2,24.7,23.8,23.9,24.8,22.6,21.2
1965,22.3,24.7,27.4,28.4,28.4,25.9,24.6,24.4,25,26.1,24.5,22.8
1966,23.5,25.9,28.3,29.6,27.8,26.4,24.9,25.2,24.8,24.6,23.7,22.2
1967,22.7,24.8,27.4,29.4,28.9,26.5,23.9,24.1,24.3,24,22.5,22.8
1968,22.6,25.2,27.6,28.8,28.9,26.3,24.3,24.7,24.9,24.4,23.7,22.5
1969,22.8,25.7,28.8,29.8,28.8,26.5,24.7,24.8,24.2,24.7,24.1,22.4
1970,23.2,25.3,27.8,29.7,28,25.5,24.8,24,24.5,24.6,23.3,21.1
1971,23,25,27.4,29.2,28.1,24.6,24.8,24.3,24.8,24.1,22.7,21.5
1972,22.3,25,27.6,29.4,27.8,27.3,25,24.8,25.5,25.3,23.8,22.9
1973,23.1,26,28.3,30.8,29.3,26.3,24.9,23.6,24.7,24.7,23.6,21.9
1974,22.8,25.2,28.4,29.6,28.1,25.9,24.7,24.2,24.5,24.2,23.1,21.5
1975,22.6,25.8,27.8,30,27.9,25.2,24.1,24.1,24.2,24,22.4,21.1
1976,21.6,24.6,28.4,28.5,28.4,26.4,24.8,24.4,25.1,25.4,23.9,22.6
1977,22.7,25.5,28.4,29.5,27.8,26.1,24.6,24.7,25.2,25,24.1,22
1978,23.2,25.1,27.8,29.6,28.4,25.1,23.9,24.1,24.5,25.2,24.2,22.9
1979,23.8,25.6,28.1,29.8,28.8,26.6,24.3,24.6,25,25.2,24.1,23.1
1980,23.1,26.1,28.3,29.9,29.6,25.6,25,24.3,25.3,25.4,24.2,22.7
1981,23.4,26.1,28.2,29.4,28.5,25.5,25.3,24.1,25,25.1,23.6,22.3
1982,23,26,28.4,29.5,29,26,25.1,24.7,25.2,25.7,24,22.6
1983,23.2,26.4,28.7,30.1,29.7,27.3,25.5,24.5,24.4,24.7,22.9,22.6
1984,23.4,25.6,28.1,28.9,29.6,25.5,24.4,24.5,24.9,24.4,23.4,22.7
1985,23.9,26.2,29.1,29.9,29,25.5,24.5,24.6,25.5,24.1,23.2,23.1
1986,23.1,25.3,28.6,30.5,28.9,26.2,25.3,24.2,25.5,25.5,23.8,22.9
1987,23.4,25.3,27.7,29.9,29,26.6,25.7,24.9,26.1,25.2,24.2,23
1988,23.3,26.6,28.7,29.5,29.2,26.5,24.8,24.5,24.8,25.1,23.8,22.6
1989,23.4,25.7,28,29.6,28.6,25.6,24.6,24.2,25,24.8,23.6,22.8
1990,23.6,26.1,28.4,30.1,28.1,25.7,24.8,24.2,25.3,25.1,23.7,22.9
1991,24,26,28.8,29.7,29.2,26.1,24.2,24.1,25.5,24.7,23.6,22.1
1992,22.5,25.6,28.1,29.3,28.5,26.1,24.8,24.3,25.1,24.8,24.2,21.9
1993,23.1,25.6,28.1,29.4,29.2,26.7,24.9,24.9,24.5,24.7,24,22.1
1994,23.6,25.8,28.9,29.4,29.1,26,24.4,24.8,25,24.6,22.7,21.5
1995,22.9,26.1,27.9,29.3,27.6,27.1,24.6,25.1,25.3,24.7,23.7,22.6
1996,23.7,26,28.9,29.2,29.5,26.5,25.2,24.6,25.1,24.2,23.7,22.3
1997,23.2,25.5,28.3,28.1,29,27.2,25.4,24.7,25.8,25.5,24.7,23.7
1998,24.8,26.7,29,30.6,29.5,27.3,25.4,25.3,25,24.7,23.8,22.7
1999,23.3,26.3,29,29.3,27.2,25.6,24.7,24.9,25.4,24.9,23.6,22.4
2000,24,26,27.9,29.5,27.7,25.7,24.6,24.4,25.4,24.7,23.8,22.1
2001,23.9,26.8,28.4,29.8,28.5,26.3,25.1,24.6,25.7,24.5,24.3,22.8
2002,23.7,26,29,30,29,26.4,25.8,24.8,25.9,25.5,24,23
2003,24,27,28.9,29.7,29.7,27.4,25.5,25.4,25.5,25.1,24.4,22.9
2004,23.9,26,29.3,29.9,26.9,25.5,25,24.8,25,24.6,23.9,22.7
2005,24.1,26.2,28.4,28.8,29,26.7,25.1,24.9,25,24.4,22.8,22.8
2006,24,25.8,27.9,29.6,28.3,26,25.5,25.1,25.8,25.2,24.4,22.8
2007,24.1,26.1,29.1,29.4,28.6,26.6,25.5,24.8,24.8,25,23.5,22.9
2008,24,25.8,27.4,28.3,28.5,25.9,25.4,24.7,25,24.8,23.8,23.4
2009,23.9,26.8,29,29.6,28.5,26.3,25,25.4,25.2,24.7,24.2,23.5
