1901,20.6,21,26.7,29.6,30.4,28.6,25.8,24.5,25.5,26.4,23.1,21.6
1902,22.1,23.5,27.6,29.8,31.1,28.9,26.5,25.7,25.1,26.4,22.3,20.9
1903,21,21.5,24.9,28.9,30.1,29,26,25,25.3,25,21.8,20.3
1904,21.4,22.6,25.4,29.4,30.8,28,25.6,25.4,25.4,26,22,20.9
1905,20.2,20,24.4,27.3,31.6,29.2,25.6,25.1,25.2,26.6,23.5,20.4
1906,20.2,21.4,25.7,29.7,31.2,27.6,25.3,25.1,24.5,25.3,23.7,21.5
1907,21.5,22.8,25.9,28.1,29.7,28.4,26.2,23.9,25.1,26.6,23.9,20
1908,20.7,22.2,25.6,30,30.3,28.6,24.8,24.4,25.5,26.1,22.4,19.4
1909,21.5,22.8,27.6,28.4,31.1,27.6,24.9,24.9,24.7,25.4,22.9,21.5
1910,21.1,22.6,26.5,29.6,30.5,27.7,25.6,24.9,24.9,24.7,21,20.3
1911,22.1,22.3,25.3,29.1,31.4,27.4,26.4,24.7,25.2,27.2,24.4,22.5
1912,21.9,23.9,26.5,30.5,31.2,29.9,26.2,24.9,25.8,26.1,22.6,20.7
1913,20.4,23.6,25.6,30.4,30.4,27,25.4,24.7,25.5,26.3,23.3,22
1914,21.8,23.3,25.7,29,31.5,28.2,25.3,24.9,25.5,26.2,24.1,21.5
1915,21.6,22.5,26.3,29.6,31,29.8,26.5,25.1,25.7,25.7,24.3,20.7
1916,21.4,22.2,27.7,30.3,31.5,27.1,26.7,25.1,25.7,25.6,23.1,20.4
1917,21.4,22.6,25.9,28.2,30.2,27.2,25.8,25.3,25.2,24.6,21.7,20.4
1918,20.1,23.3,26.1,28.2,30,27.7,26.9,25.6,25.7,27.2,25.1,21.8
1919,22,23.3,26.8,29.3,30.7,27.6,25.5,25,25.6,25.7,24.4,20.8
1920,22.2,22.5,26.7,29.2,30,28,24.9,24.8,26,26.5,23.4,21.3
1921,21.8,22.7,27.7,30.8,31,28.4,26.4,24.6,24.7,25.8,22.4,21.5
1922,21.5,24,26.9,30.2,30.9,28.1,25,24.6,25,25.8,22.7,19.8
1923,21.3,21.8,26.8,29.1,30,29.7,25.4,24.6,25.1,25.4,22.8,22.2
1924,22.1,23.6,28.3,30.5,30.9,28.9,26.2,25.4,25.3,24.4,21.5,21.1
1925,19.6,21.8,27,30.8,30.4,27,25.2,25.3,25.9,26.9,24.6,21.4
1926,22.3,24.7,26.7,27.6,30.6,30.1,26.2,25,25.4,26.4,22.7,20.9
1927,21.1,22.4,26.3,29.2,30.4,27.8,25,24.5,25.6,25.7,21.1,21.1
1928,21.4,22.7,26.5,29.6,30.6,28.5,25.5,24.7,24.6,25.7,23.5,21
1929,20.6,22.6,27.8,29.4,31.1,27.7,25.4,24.8,25.9,25.5,23.6,21.1
1930,21.5,21.3,26.9,29,30.9,28.3,24.7,24.6,25.5,26.5,22,21.7
1931,22,23.2,25.9,30.8,31.1,30,25.8,25.3,25.3,24.8,22.7,20.6
1932,21.4,21.7,26.3,29,30.9,28.2,25.4,25.7,25.7,26.5,22.9,21
1933,21,23,26.5,29.3,29.4,27.3,25.9,24.9,25.1,25.3,23.3,20.6
1934,20,23.1,25.8,29.7,30.3,28.1,25.4,24.6,24.8,25.7,20.7,20.6
1935,19.8,22.5,25.5,27.9,30.6,28.5,25.4,25.1,24.7,26.1,22.4,21.3
1936,20.7,22.2,26.3,28.9,31.4,27,25.6,25.2,26,25.9,23.8,20.6
1937,20.1,23.1,25.7,28.8,30.5,28.2,25,25.1,25.4,25.4,23.1,20.7
1938,22.3,21.5,27.5,30.1,30.4,26.2,25.1,25.4,25.4,24.8,21.9,20.7
1939,21.8,23.7,25.5,29,30.2,28.3,25.4,25.4,25.1,26.1,22.1,20.1
1940,20.8,23.3,24.3,29.2,30.8,28.3,25.3,24.8,25.7,25.8,23.6,20.8
1941,20.7,23.9,27.6,30.5,31.2,29.1,25.8,25.8,26.2,27,23.7,22.7
1942,21.1,23.6,27.7,31,31.2,29,25,25.1,25.1,26.4,22.4,20.9
1943,21.7,22.3,27.1,29.2,31,27.2,24.9,24.6,25.2,25.2,23.9,20.1
1944,21.2,22.2,25.8,29,31.5,28.6,25.4,24.9,25.9,25.6,23.4,22.3
1945,20.1,22.3,26.8,28.7,30.5,28.7,25.4,25.5,25.2,25.8,22,19.7
1946,20.9,23.9,26.9,30.1,30.2,27.6,25.3,24.7,25.4,26.7,23.6,22.9
1947,21.3,23.5,27,28.8,30.9,29.3,25.9,26.2,25.1,24.3,23.4,21.7
1948,22.1,23.2,27,30.6,31.5,28.6,25.9,25.3,25.2,26.7,24.4,20.4
1949,22.4,22.9,27.5,30.1,30.9,27.9,26.3,25.7,25.3,26.1,22.7,20.9
1950,21.7,21.9,26.1,29.6,30.4,28.8,25.5,25.8,25.6,25.1,22,20.9
1951,20.8,22.8,26.8,28.6,30.9,28.4,26.5,25.2,26.2,27.1,24.4,20.7
1952,21.7,24.1,25.9,30.3,31.2,28.2,25.9,24.7,25.7,26.5,22.5,23.1
1953,21.2,25,28,30.1,30.6,28.6,26,25.1,25.9,26.2,23.2,21.4
1954,20.7,24.3,26.9,30,31.4,28,25.5,25.3,24.3,24.8,22.6,21.6
1955,22.3,23.9,27.7,28.8,30.8,28.2,26.3,24.9,25.6,25.4,21.7,20.9
1956,21.9,23,27.7,30.4,30,27.6,24.5,24.6,25.1,25.3,22.9,21.2
1957,21.7,22,25.7,29.7,30.7,29.2,25.8,25.2,25.6,26.7,24.3,22.9
1958,22.3,23.2,27,30.6,31.4,29.4,25.7,25.7,25.4,26.1,24.2,22.1
1959,22.3,23.6,27.7,30.3,31.6,28.7,24.9,24.9,25.1,25.5,23.4,22.3
1960,21.3,24.4,26.3,30,30.8,28.1,26.2,24.5,25.8,25.7,23.3,22.8
1961,22,21.7,27.9,30,30.4,27.8,25.2,25.4,24.8,25,23.8,21.5
1962,20,23.5,26.6,29.7,31.2,28.6,25.7,25.2,25.3,25.4,23.4,21.7
1963,21.6,23.3,26.3,28.3,30.5,28.1,25.8,24.5,25.1,25.7,23.6,21.5
1964,19.7,22.2,27.1,30.6,30.4,28,25.6,24.6,24.9,25.5,22.1,20.4
1965,21.5,22.6,25.7,29.1,30.7,28.6,25.9,25.7,25.9,26.4,23.6,21.7
1966,21.1,23.8,26.1,29.5,29.9,29,26.8,25.4,25.7,26.8,24.3,21.3
1967,20.3,23.6,26.4,29.4,31,28.2,25.9,24.9,25.1,25.7,23,22.4
1968,19.7,21.6,25.8,29.1,30.1,29.2,25.9,24.9,26.3,25,22.2,20.8
1969,20.6,23.2,27.7,30.5,31.5,28.8,26,25.1,25.1,26.1,24.5,21.7
1970,20.9,23.2,26.2,30.3,31.4,27.4,25.9,25,25.1,25.8,21.4,19.3
1971,19.9,22.4,26.2,30.5,30.4,26.9,25.6,25.1,25.8,24.6,21.2,19.3
1972,20.4,21.2,27.3,28.9,30.8,29.4,26.3,25.5,26.1,27,22.6,22.1
1973,20.8,23.7,26.8,31.2,31.7,28.7,25.3,24.9,24.5,25.4,22,21.2
1974,20.5,22.4,27.2,30.1,30.3,28.8,26.3,25,26.2,25.5,21,19.8
1975,19.6,22.1,25.5,30.1,30.5,27.8,25.8,25.1,25.3,25.7,21.3,19.5
1976,20.2,22.4,26.7,29,29.9,27.1,25.9,25.1,25.3,26.6,25.3,22
1977,20.5,23.3,28.2,29.5,30.3,28.3,25.8,25.2,25.1,26.2,24.9,20.9
1978,20.5,22.3,25.1,29.5,31,27.3,25.2,24.8,25.6,25.9,24.6,21.3
1979,22.1,21.5,25.4,29.6,30.4,29.2,26.4,24.9,26.2,26.7,24.8,21.8
1980,21.4,23.2,26.4,30.7,31.2,27.3,25.7,25.1,25.9,26.5,24.3,20.6
1981,20.1,23,26,29.6,30.9,29.4,25.6,24.8,26.2,26.1,22,21.1
1982,21.4,22.6,25.4,28.5,30.2,28.9,26.9,25.4,25.9,26.7,23.6,21.7
1983,20.4,21.2,25.7,28,31,29.2,27.1,25.6,25.7,24.9,21.2,20.6
1984,20.4,21.8,27.2,29.8,31.3,28.1,25.4,24.3,24.9,25.5,21.8,21.4
1985,21.2,22.2,27.5,28.8,31.1,28,26.1,25,26.1,24.4,22.3,21.7
1986,21.2,22.8,26.6,29.4,30.7,28,25.6,24.7,26.2,26.3,24,20.8
1987,21.8,23,26.6,29.8,30.3,29,27,25.8,26.7,26,24.1,21.3
1988,22,23.7,26,29.9,30.9,28.9,26.1,25.7,26.4,24.9,22.4,20.8
1989,20.7,22.2,25.9,28.9,30.8,27.3,26.1,24.8,25.8,25.8,23.9,20.8
1990,22,22.6,25.1,29.1,30.3,27.4,25.2,24.9,25.1,25.6,23.7,21.6
1991,20.4,23.2,26.5,29.2,31.4,28.4,25.8,24.8,25.9,25.8,23.6,20.3
1992,20.6,21.4,26.3,29,30.9,29.5,27,25.1,25.9,25.6,23.5,20.8
1993,21.3,22.2,25.6,28.8,31.2,29,25.9,25.4,25.3,26.2,23.5,20.4
1994,21.3,21.8,27,28.5,30.9,27.2,24.9,24.9,24.7,26.1,23.1,20.2
1995,19.2,22.8,26,29.2,30.5,30.2,26.6,26.2,25.8,26.3,23.1,22.3
1996,21.9,23.6,27.7,29.2,30.7,29.1,26.5,25,25.7,25,22.6,20.9
1997,20,21.6,26.7,28.2,30,27.8,26.3,25.3,25.6,26.1,25.4,21.8
1998,21.4,22.5,26.2,30.3,32.3,29.4,26.4,26.2,26,26.3,23.7,20.8
1999,20.2,23.9,27.2,30.3,30.3,27.6,25.9,25.3,25.1,25.6,23.2,20.7
2000,21.5,21.8,25.6,30.7,29.8,27.8,25.4,25.8,26,26.9,23.8,20.8
2001,21.3,23.4,26,29.7,30.4,27.5,25.1,25.1,26.3,25.9,23.4,21.6
2002,19.8,23.6,26.7,30.5,31.6,28.1,26.5,24.8,25.6,26.9,23.7,22.4
2003,21.9,24,26.5,30.4,31.2,28.4,26.2,25.4,25.2,26.1,24.7,21.7
2004,21.2,23.3,28.1,29.9,30.6,28.1,26.3,24.7,26.1,25.4,23.9,21.2
2005,20.6,22.6,26.3,29.4,30.8,29.1,26.2,25.1,25.6,25.2,22.4,20.5
2006,21,24.1,26.1,29.4,31.2,28.3,25.4,24.8,26.1,26.2,24,22
2007,21.7,23.4,26.6,30.3,30.9,29.2,26.2,25.7,26.1,25.8,23.7,22.1
2008,20.7,21.7,27.5,29.7,30.7,27.5,26,25.1,25.7,25.6,23.9,23
2009,22.6,24.3,27.5,30.6,31.2,29.5,26.1,26.1,26.7,25.7,23.8,22.5
