1901,22.7,22.9,23.5,23.7,22.8,21.6,20.9,21,21.1,21.9,22.8,22.9
1902,22.7,22.9,23.5,23.7,22.8,21.6,20.9,21,21.1,21.9,22.8,22.9
1903,22.7,22.9,23.5,23.7,22.8,21.6,20.9,21,21.1,21.9,22.8,22.9
1904,22.7,22.9,23.5,23.7,22.8,21.6,20.9,21,21.1,21.9,22.8,22.9
1905,22.7,22.9,23.5,23.7,22.8,21.6,20.9,21,21.1,21.9,22.8,22.9
1906,22.7,22.9,23.5,23.7,22.8,21.6,20.9,21,21.1,21.9,22.8,22.9
1907,22.7,22.9,23.5,23.7,22.8,21.6,20.9,21,21.1,21.9,22.8,22.9
1908,22.7,22.9,23.5,23.7,22.8,21.6,20.9,21,21.1,21.9,22.8,22.9
1909,22.7,22.9,23.5,23.7,22.8,21.6,20.9,21,21.1,21.9,22.8,22.9
1910,22.7,22.9,23.5,23.7,22.8,21.6,20.9,21,21.1,21.9,22.8,22.9
1911,22.7,22.4,23.3,23.5,22.3,21.6,20.1,20.7,20.6,21.4,22.5,22.2
1912,22.3,22.7,23.2,23.3,22.3,21.1,20,20.3,20.3,21.5,22.8,22.1
1913,22.2,22.3,23,23.3,22.6,21.1,20.9,21,21.1,21.9,22.8,22.9
1914,22.7,22.9,23.5,23.7,22.8,21.6,20.9,21,21.1,21.9,22.8,23.1
1915,22.7,22.9,23.4,23.9,22.7,21.4,20.7,20.8,21,21.8,22.9,22.6
1916,22.4,23.1,23.1,23.4,22.8,21.5,20.7,21,21.1,21.9,23,22.8
1917,22.8,23.2,23.5,23.4,22.8,21.5,20.7,20.8,21,21.9,23,23.1
1918,22.5,23.2,23.5,23.5,22.9,21.5,20.9,21,21.1,21.9,22.8,22.9
1919,22.7,22.9,23.5,23.7,22.8,21.6,20.9,21,21.1,21.9,22.8,22.9
1920,22.7,22.9,23.5,23.7,22.8,21.6,20.9,21,21.1,21.9,22.8,22.9
1921,22.7,22.9,23.5,23.7,22.8,21.6,20.9,21,21.4,22.2,23.5,23.6
1922,23.3,23.5,24,23.9,23.2,22.1,20.7,20.9,21.3,22.3,23.6,23.6
1923,22.7,22.7,23.5,23.6,22.8,21.5,20.9,20.8,20.9,21.7,22.6,22.7
1924,23,23.5,23.8,24.1,23.3,22.2,21.7,21.8,21.8,22.6,23.5,23.4
1925,22.9,22.8,23.5,23.7,23.2,22.4,21.9,21.9,21.5,21.7,22.8,22.7
1926,22.5,22.9,23.2,23,23.2,22.1,21.8,21.8,21.5,21.9,22.9,22.3
1927,22.6,22.7,23.4,22.7,21.9,21,20.9,21.8,21.5,22.5,23.5,23.1
1928,22.4,22.8,23.9,24.3,23.4,21.5,21.3,21.3,21.5,22.6,23.7,23
1929,22.5,23.4,23.9,23.5,22.9,21.2,20.5,20.3,20.6,21.9,22.8,22.8
1930,22.9,22.9,23.5,23.7,22.2,21,20.3,20.3,20.6,21.4,22.5,22.9
1931,22.8,23,23.5,23.6,23.4,22,21.2,21.3,21.5,22.3,22.8,23.1
1932,22.7,23.6,23.5,23.7,22.8,21.6,20.9,21,21.1,21.9,22.8,22.9
1933,22.6,23.1,23.6,24.1,23,21.8,21,21.2,21.2,22,22.6,22.7
1934,22,21.6,22.5,23.9,23.5,22,21.3,21.3,20.9,22,23.2,23.2
1935,23.2,23.3,23.7,23.2,22.6,21.2,20.1,20.1,21.3,22.6,23,22.8
1936,22.6,23.1,23.4,23.6,23.4,21.5,20.2,20.2,20.5,22.5,23.5,22.8
1937,22.9,23.2,23.7,24.6,23.8,22,20.7,20.9,21.7,22.4,23.7,22.6
1938,22.7,22.6,23.6,23.7,22.8,21.8,20.8,21,21,22.1,23,22.6
1939,22.1,22.9,23.6,24,23.7,21.4,21.5,21.6,21.7,22.2,23.2,22.8
1940,23.2,23.5,23.5,22.7,23.5,22.1,21,21.3,21.2,21.9,23.5,23.2
1941,22.5,23,23.8,24.2,23.7,21.7,20.8,21.4,21.7,22.1,23.2,23.2
1942,23,23.9,24.2,24.6,23.4,22,20.7,21.2,20.7,22,23.2,23.4
1943,22.6,23,24,24.8,23.9,21.7,20.9,21.3,20.9,21.9,23,23.3
1944,21.4,23,23.9,24.4,23.6,22.1,21.1,21.3,22,22.3,24.1,23.9
1945,23.1,23,23.8,25.2,24.2,21.4,21,21.2,21.1,22.6,23.5,23.6
1946,22.7,22.9,23.6,24.7,24.1,22.4,21.1,21.2,21,22.1,23.8,24.2
1947,23.9,23.4,24.2,24.2,22.7,21.8,21.4,20.9,21,21.7,23,22.9
1948,22.6,22.6,23.8,24.2,24.1,21.7,20.6,21,21.1,21.9,22.2,22.5
1949,22.4,22.1,23.1,24.2,23.7,22,21.4,21.9,21.5,22.4,23.3,23.2
1950,22.2,22.1,23.6,24,22.5,20.9,20.7,20.9,20.8,21.4,22.1,22.5
1951,22.3,22.3,23.5,23.2,22.8,21.7,20.8,21.2,21.7,22.3,23.1,22.7
1952,22.8,23.2,24.7,24.4,23.9,22.2,21.2,21.3,21.7,22.1,23.4,22.9
1953,23,23.2,24,24.4,23.6,21.9,20.9,21.1,21,22,23.1,23.1
1954,22.7,23.1,23.9,24.1,23.7,21.8,21,21.2,21.2,21.7,23,22.5
1955,22.8,22.2,23.7,23.9,22.7,21.3,20.9,20.8,21.4,21.8,22.9,23.2
1956,22,22.2,23.3,23.7,22.9,21.2,20,20.7,20.3,21.4,22.6,22
1957,22.3,22.1,23.5,24.2,23.4,22.3,21,21.7,21.4,22.8,23,22.2
1958,23,23.6,24.1,24.3,23.1,21.6,20.9,21.5,21.8,22.1,23.8,22.7
1959,22.9,23.2,23.9,23.6,22.5,21.5,21,20.7,21.3,22.7,23.7,24
1960,22.2,22.3,23.8,23.3,22.9,21.1,20.6,20.3,21.1,21.8,22.1,22.7
1961,23.2,23.8,23.5,24,23.9,22.1,21.6,21.6,21.7,22.3,23.1,23.6
1962,22.7,22.4,23.1,23.4,22.1,21.6,20.8,21.5,21.1,21.8,23,22.9
1963,22.6,22.9,24.1,23.3,22.3,21.1,20.7,20.7,20.6,21.8,23.7,22.4
1964,22.4,23,24.1,23.8,22,21.3,19.7,20.3,19.8,20.9,21.9,22.1
1965,22.1,22.4,23.3,23.4,22.5,20.6,20.2,20.8,21.5,22.1,22.9,23.3
1966,22.8,23.4,23.7,23.5,22.9,21.9,21.5,20.8,21.6,21.8,22.5,23.2
1967,23,22.7,23.9,23.7,23.1,22.1,21.5,21.3,20.9,22.1,22.9,21
1968,22.1,22.3,23.1,23.3,22.6,20.8,20.5,20.8,20.8,22.2,22.7,22.5
1969,22.7,22.8,23.8,24.6,23.1,21.9,21.7,21.4,21.5,22.7,23.7,23.3
1970,23.5,23.7,24.4,23.6,23.5,22,21.8,21.9,21.3,22,23.1,23.7
1971,22.9,22.6,23,23.9,22.4,21.3,20.8,20.6,20.5,20.9,22.3,22.7
1972,22.6,23.4,23.2,23.7,23.9,21.7,21,21.1,21.7,22.9,23.3,23.8
1973,23.1,23.3,24.3,24.6,23.5,21.9,20.5,21.3,20.5,21.6,22.9,22.7
1974,21.5,21.8,22.6,23.6,23.1,22.4,21.5,21.1,21.2,22,23,23
1975,22.5,23.1,23.7,23.6,23.3,21.7,21,20.4,20.6,21.4,22,23.7
1976,22.5,23,23.2,23.6,22.9,21.7,20.6,20.8,20.9,22.1,22.8,23.3
1977,23,23.2,23.1,24,22.7,21,21,20.8,21.4,22.3,22.9,22.6
1978,22.5,22.9,23.6,23.3,21.9,22,20.8,21.1,21.3,22.1,22.8,22.3
1979,23,23,23.7,23,22.3,20.5,20.2,20.6,21,22.1,23.2,22.9
1980,22.7,23.2,23.4,24.5,24,21.3,21.1,21.1,21.2,21.7,23.5,24.1
1981,23.4,23.2,23.6,22.9,21.9,21.4,20.7,21.1,20.9,22,22.5,23.3
1982,23,22.8,23,22.8,22.3,21,20.3,19.8,19.8,21.3,22.9,22.8
1983,23.2,23.7,23.6,25.2,23.3,22.9,21.7,21.6,21.3,22,22.4,23.6
1984,23.1,22.4,23.6,24.4,22.8,21.2,20.8,20.8,21,21.7,22.2,22
1985,22.7,23,22.5,23.4,22.8,21.5,20.7,21,21.1,21.5,23.6,23.1
1986,22.4,22.4,23.3,23.5,22.4,21.8,20.5,20.3,21,22.3,23.3,22.3
1987,23.2,22.8,23.7,24.1,23.4,21.7,20.7,21.8,21.7,22.5,23.5,23.7
1988,24,23.5,23.8,24,23,22.1,21.2,21.5,21.1,21.8,22.2,22.7
1989,22.3,22.2,23.1,22.5,21.9,21.3,20.6,20.7,21.2,21.5,21.8,22.2
1990,22.3,23.1,23.2,22.7,22.6,21,20.2,20.6,20.6,21.4,22.8,21.8
1991,22.9,23.7,23.8,23.6,23.3,21.8,21.4,20.8,20.8,23,23.1,23.6
1992,22.1,24.2,24,24.6,23.5,22.9,21.5,21.1,21.7,21.8,23,23.1
1993,22.5,22.9,23.7,24.4,23.9,21.8,20.5,20.7,20.6,20.8,23.1,22.9
1994,23.8,23.4,24.2,24.1,23.1,21.8,21.4,21.7,21.5,23.5,22.8,23.3
1995,23.2,23.4,23.8,24,23.2,21.9,21.6,21.5,21.3,23.2,23.4,22.8
1996,23.3,23.6,23.9,24.2,23.1,22,21,20.6,20.5,21.9,22.8,23.2
1997,23.3,23.3,24.3,23.2,22.9,22.5,21.4,21.5,21.6,22.2,22.5,22.4
1998,23.4,23.2,24.3,24.4,23.1,22.4,21,20.9,21.9,22.8,22.5,23.7
1999,23.5,23.1,24.3,23.5,22.9,21.7,21.2,20.9,21.4,21.1,23,23
2000,22.9,22.5,23.8,23.6,22.4,21.4,21.9,20.7,20.6,21.4,24.3,23.2
2001,23.1,23.1,24.6,23.5,23.1,21.5,21,20.4,21.4,22.5,23.1,23.3
2002,23.4,23.2,24,24.3,23.4,22.5,21.4,21.9,21.5,22.5,23.2,23.5
2003,23.5,23.5,24.2,25.1,24.3,22.7,21.4,21.6,21.4,23.1,23.1,23
2004,23.4,23.3,24.2,24,23.5,21.8,21.4,21.7,21.4,21.2,22.9,22.9
2005,22.8,23.5,24.1,24.1,23.1,22.2,21,21,21.5,22,23.3,23.8
2006,23.3,23.4,24.4,23.7,23,22.3,20.6,21.5,21.5,22.7,23.9,24
2007,23.8,23.4,23.9,24,23.4,22.3,21.7,21.5,21.6,22.2,23.2,23.8
2008,23.3,23.8,23.4,23.5,22.3,21.3,20.9,22.1,21.7,23,23.2,23.1
2009,23.5,23.5,24.2,24.5,23.5,22.7,21.5,22.2,21.9,22.4,23.9,24.6
