1901,22.8,23.4,24.3,24.3,23.4,22,21.5,21.4,21.7,22.9,23.2,23
1902,22.7,23.2,24.1,24,23,22.1,22.1,22,22,23,23.3,23
1903,23.2,23.6,24.5,24.5,23.4,22.1,21.8,21.5,21.7,22.9,23,22.9
1904,22.6,23.5,24.2,24.4,23.5,22.2,21.5,21.4,21.7,22.9,23.2,23
1905,22.8,23.4,24.3,24.3,23.4,22,21.7,21.4,21.7,23.1,23.4,23.2
1906,22.7,23.7,24.3,24.3,23.7,22.4,21.7,21.6,21.9,22.9,23,22.4
1907,22.5,23.6,24.5,24.4,23.6,22.2,21.6,21.4,21.7,22.8,23,22.3
1908,22.7,23.2,24.6,24.6,24.1,22.3,21.7,21.4,22.1,23.8,22.8,22.5
1909,22.4,23.1,24,23.8,23.2,21.8,21.7,21.6,21.8,22.8,23,23
1910,22.7,23.4,24.5,24.5,23.7,22.2,22,21.7,21.7,22.9,23.3,23.3
1911,22.9,22.5,23.9,23.9,22.6,22.3,20.2,20.8,20.9,22,22.6,21.8
1912,22.1,23.1,23.8,23.6,22.5,21.2,20,20.2,20.3,22.2,23.2,21.7
1913,21.9,22.4,23.5,23.6,23.1,21.2,21.5,21.4,21.7,22.9,23.2,23
1914,22.8,23.4,24.3,24.3,23.4,22,21.5,21.4,21.7,22.9,23.2,23.3
1915,22.8,23.5,24.2,24.7,23.3,21.6,21.1,21.1,21.5,22.8,23.4,22.5
1916,22.3,23.8,23.7,23.7,23.5,21.8,21.1,21.4,21.7,22.9,23.5,22.9
1917,22.9,23.9,24.3,23.8,23.4,21.8,21.2,21.1,21.5,22.8,23.5,23.3
1918,22.5,24,24.2,23.9,23.5,21.9,21.5,21.4,21.7,22.9,23.2,23
1919,22.8,23.4,24.3,24.3,23.4,22,21.5,21.4,21.7,22.9,23.2,23
1920,22.8,23.4,24.3,24.3,23.4,22,21.5,21.4,21.7,22.9,23.2,23
1921,22.8,23.4,24.3,24.3,23.4,22,21.5,21.4,22.2,23.4,24.3,24.1
1922,23.8,24.4,25.1,24.7,24,22.8,21.2,21.3,22.1,23.5,24.5,24.2
1923,22.8,23.4,24.3,24.3,23.4,22,21.5,21.4,21.7,22.9,23.2,23
1924,23.3,24.5,25,25,24.2,22.7,23,22.4,22.8,24,24.4,23.9
1925,23.2,23.2,24.3,24.2,24.1,23.3,23.1,22.9,22.4,22.6,23.2,22.7
1926,22.8,23.4,23.8,23.1,24.1,22.9,22.8,22.8,22.4,22.9,23.5,22.2
1927,22.8,23.4,24.3,22.7,22.2,21.1,21.8,22.7,22.7,23.9,24.8,23.6
1928,22.6,23.4,25.2,25.5,24.4,21.9,22.1,21.8,22.6,24.1,25,23.4
1929,22.8,24.6,25.3,24.3,23.9,21.4,20.8,20.6,21.1,22.8,23.2,23.4
1930,23.1,23.4,24.1,24.1,22.4,21,20.5,20.4,21,22.3,23.1,23.1
1931,22.9,23.6,24.2,24.2,24.4,22.6,22.1,21.9,22.3,23.5,23.2,23.3
1932,22.8,24.6,24.3,24.3,23.4,22,21.5,21.4,21.7,22.9,23.2,23
1933,22.6,23.7,24.4,24.9,23.8,22.4,21.7,21.6,21.9,23.3,23.3,22.9
1934,22.1,22.3,23.6,24.7,24.1,22.5,21.8,21.5,21.7,23.1,23.9,23.5
1935,23.5,24.1,24.8,24.2,23.2,21.3,20.9,20.8,21.7,23.3,23.7,22.9
1936,22.6,23.5,24.3,24.5,24,21.5,20.7,20.8,21.3,23.5,24,23.2
1937,23,23.8,24.6,25.4,24.6,22.3,21.5,21.6,22.4,23.5,24.1,22.9
1938,22.6,23.2,24.5,24.3,23.4,22.1,21.4,21.5,21.8,23.1,23.3,22.8
1939,22.3,23.3,24.5,24.9,24.6,22,21.9,21.9,22.6,23.4,23.8,23.3
1940,23.4,24.3,24.5,23.7,24.4,22.7,21.9,21.8,22.2,23.5,24.2,23.4
1941,22.6,23.8,24.8,25.3,24.7,22,21.6,21.8,22.6,23.5,23.8,23.3
1942,22.9,23.9,24.9,25.3,24.2,22.7,21.4,21.6,22,23.3,23.8,23.4
1943,22.9,23.5,24.6,25.4,24.8,22.3,21.7,21.7,21.8,23.2,23.9,23.5
1944,21.8,23.4,24.8,25.4,24.4,22.6,21.8,21.8,22.5,23.6,24.6,24
1945,23.3,23.5,24.7,25.8,24.9,22.1,21.6,21.6,21.9,23.5,23.9,23.5
1946,22.5,23.1,24.6,25.4,24.8,22.8,21.9,21.7,22.1,23.4,24.3,24.1
1947,23.7,23.5,24.9,24.9,23.4,22.4,22,21.4,22,22.7,23.6,23
1948,22.9,23.2,24.5,24.9,24.8,22.1,21.5,21.5,21.9,23,22.8,22.6
1949,22.2,22.9,24.2,25.2,24.7,22.1,21.5,21.7,21.8,23.4,23.8,23.2
1950,22.4,22.5,24.5,24.7,23.5,21.3,21,20.9,21.3,22.5,22.9,22.9
1951,21.9,22.8,24.4,23.7,23.5,21.9,21.5,21.5,22.1,23,23.5,22.9
1952,22.3,23.4,25.7,25.3,25.1,22.6,21.8,21.8,22.8,23.4,23.4,22.9
1953,22.3,23.6,24.8,25.1,24.5,22.2,21.2,21.4,21.4,23,23.5,23.2
1954,22.7,23.5,24.6,24.8,24.8,22.2,21.4,21.3,21.4,22.8,22.8,22.4
1955,22.4,22.4,24.4,24.8,23.5,21.5,21.2,21,22.5,22.9,23.2,23.4
1956,22.4,22.4,23.9,24.5,23.2,21,20.6,20.6,20.8,21.9,21.8,21.7
1957,21.4,21.9,23.8,24.3,23.9,23.4,21.4,22.3,22.1,23.7,23.9,22.8
1958,23,23.9,24.5,24.6,23.9,21.4,21.3,21.6,22.4,23.2,23.9,23.1
1959,22.7,23.8,24,24.2,23.6,21.4,21.6,20.8,22.1,24.2,24.3,24.2
1960,22.7,23.2,25,23.8,23.6,20.6,21.3,20.7,22,22.4,22.7,23.1
1961,23.1,23.7,24.1,24.5,24.6,22.2,21.9,21.7,21.9,22.5,23.4,23.5
1962,22.1,22.7,24.3,24,22.8,21.7,21.1,21.9,22.3,23.4,23.7,23.4
1963,23,23.6,24.8,24,22.8,21.1,20.8,20.9,21.1,22.5,23.7,23
1964,21.9,23.2,24.8,23.9,22.4,21.1,20.2,19.9,20.2,21.5,22.2,22.7
1965,21.6,22.4,23.3,23.7,23.2,20.7,20.3,21,21.5,22.1,22.5,23
1966,22.4,23.9,24.8,24.1,23.3,21.5,21.9,21.1,22.2,21.8,22.4,22.3
1967,22.1,22.9,24,24.3,23.5,22.5,21.7,21.3,21,23,23.1,21.4
1968,21.4,23.2,23.8,23.4,22.7,20.6,20.6,20.8,21.6,22.7,22.9,22.9
1969,23.1,23.6,25,25.2,23.4,22.2,22.4,21.5,22.2,24.2,24.4,23.7
1970,24.8,24.6,26,24.2,24.3,22.7,22.1,22.2,21.9,23.6,23.4,23.7
1971,23.3,23.1,23.9,24.9,22.9,21.6,21.3,21.1,21.2,21.9,23.1,22.7
1972,22.8,24,24,25,24.2,22.2,21.7,21.6,22.4,23.8,24.3,23.9
1973,23.5,23.6,24.7,25.6,24.2,22.5,21.3,22.3,21.4,23.3,23,22.4
1974,22.8,22.5,24.1,24.1,24.1,22.9,22.1,21.9,21.9,23.2,22.9,23.3
1975,22.5,23.7,24.4,24.8,23.9,22.3,21.5,21.1,21.3,23,22.5,23.4
1976,23,23.9,24.3,24.2,23.9,22.5,21.4,21.3,21.5,23.2,23.9,23.9
1977,23.9,23.5,24.7,24,23.4,22.2,22,20.7,22.2,23.7,23.5,23.2
1978,22.8,23.8,25,23.6,22.4,22.3,21.7,21.6,22.3,23.4,23.3,22.6
1979,23.6,23.6,24.3,23.9,22.9,20.9,20.7,20.8,21.8,22.7,23,22.9
1980,22.4,23.3,24,24.9,24.3,21.7,21.4,21.1,21.6,22.7,23.9,23.9
1981,23.6,23.5,24.9,24.1,22.8,22.2,21.4,21.8,22,22.7,22.8,23.1
1982,23.2,23.3,23.7,23.7,22.7,21.2,20.6,20,20.1,21.8,23.3,23.1
1983,22.8,24.5,24.3,25.7,23.5,22.9,22.2,22.5,22.1,23.2,22.8,23.4
1984,22.9,22.4,24.4,25.2,23.7,21.3,21.4,21.3,22,22.3,22.5,22.3
1985,22.9,23,23,24.3,23.6,22.2,21.4,21.6,21.7,22.6,24.2,23.5
1986,22.4,23.1,24.2,23.9,22.8,22.8,21.8,20.7,21.8,23.1,23.9,22.5
1987,22.4,23.5,24.4,24.5,23.6,22.2,21.9,21.6,22.4,23.3,24.1,23.9
1988,24.2,24.4,24.6,24.4,23.7,21.9,21.9,21.9,21.7,23.1,21.9,22.5
1989,22.3,22.8,24.1,23.2,22.6,21.9,21.6,21.1,22.2,22.8,22.3,22.8
1990,22.5,24,24.3,23.3,23.4,21.4,20.9,21.4,21.3,22.3,23.1,22
1991,23.1,23.8,23.9,24.2,23.5,22.3,21.4,20.7,21.3,24.1,22.8,23.6
1992,21,24.3,24.7,25.2,24,22.9,21.5,20.8,21.8,22.5,22.9,22.9
1993,22,22.9,24.4,25.2,24.2,22,21.3,21.1,21.3,21.1,23.4,23.1
1994,23.4,23.6,24.6,25,23.7,22.2,21.7,22.2,21.8,24.4,22.5,23.6
1995,22.6,23.7,24.3,24.5,23.6,22.7,22,21.5,21.9,24.5,24.6,23
1996,22.9,24,24.6,25.1,23.1,22.1,21.6,21.5,21.2,22.9,23.3,22.9
1997,23,23.7,24.6,23.3,23.3,22.2,21.7,22.2,22.4,22.4,21.7,21.9
1998,23.4,23.3,24.7,24.6,23.9,22.6,21.5,20.8,21.6,24,22.4,23.7
1999,23.1,23.4,25.5,23.9,23.2,21.6,21.4,20.8,21.9,22,23.1,22.8
2000,22.2,23,24.4,24.3,22.9,21.7,22.8,21,21.2,22,24.9,23
2001,23.2,23.7,25.4,24.4,23.4,21.5,21.4,20.1,22.1,23.6,23.2,23.4
2002,23.2,23.6,25,25.3,24.1,22.9,21.5,22.1,21.8,22.7,23.3,23.6
2003,23.4,23.7,24.8,25.6,24.5,22.4,22,22.1,22,23.6,23.3,23.2
2004,22.7,23.7,24.8,24.8,24,22.5,22.1,22.1,22.1,22.1,23.5,23.3
2005,22.6,23.6,24.9,25.1,23.6,22.5,21.8,21.9,22.3,23.2,23.9,22.4
2006,23.1,23.9,25.1,24.5,23.6,22.7,21,21.7,21.7,23.8,23.8,24.5
2007,23.5,23.6,24.1,24.7,23.9,22.6,21.8,21.8,22,22.8,23.4,23.4
2008,23.2,23.9,23.8,23.6,23.1,22.1,21.4,22.4,22.6,23.8,23,23
2009,23.3,23.5,25.3,25.4,24.3,22.7,22,22.7,22.6,22.9,23.8,24.6
