1901,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1902,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1903,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1904,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1905,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1906,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1907,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1908,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1909,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1910,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1911,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1912,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1913,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1914,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1915,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1916,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1917,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1918,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1919,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1920,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1921,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1922,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1923,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1924,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1925,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1926,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1927,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1928,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1929,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1930,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1931,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1932,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1933,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1934,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1935,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1936,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1937,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1938,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1939,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1940,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1941,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1942,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1943,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1944,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1945,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1946,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1947,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1948,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1949,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1950,23.5,23.7,23.6,23,21.5,19.9,19.1,18.6,19.2,20,21.3,22.7
1951,23.2,22.8,23.1,22.3,21.8,19.9,19.2,18.7,19.5,20.4,21.4,23.2
1952,24.4,24.1,23.7,22.9,21.5,18.8,18.5,17.2,18.1,19,20.8,21.8
1953,23.9,24.6,24.7,22.6,21.8,20.5,19.2,18.6,18.9,20,21.6,22.8
1954,23.8,24.6,24.1,22.7,21.8,19.8,19.1,18.7,18.8,19.6,20.8,22.1
1955,23.6,24.3,23.2,22.8,20.9,19.1,18.4,18.4,18.7,19.5,21.4,21.6
1956,23.2,22.6,22.7,22,20.7,19.2,18,18.1,18.3,19.2,20.4,22.8
1957,23.4,23,23.2,21.6,21.2,19,19,18.4,18.9,20.2,21.5,23.1
1958,23.4,24,23.7,23.4,21,19.3,19.4,18.9,19.5,20,21.3,22.5
1959,23.7,23.4,23.8,22.9,21.2,19.7,17.8,18.1,19.3,19.6,22.2,22.6
1960,24.3,23.5,24,22.4,21.6,19.7,18.4,18.9,19.1,19.4,20.1,22.3
1961,23.5,23.8,24.1,23.9,22.5,20.5,19,18.5,19.1,20.3,22.3,23.8
1962,23.5,24.1,24,22.1,20.6,19.4,19,18.2,19.3,19.7,21.1,22.8
1963,23.3,23.6,23.2,23.3,21,19.8,18.6,17.7,18.3,19.6,21.2,22.1
1964,23.4,24.6,24.1,22.7,20.6,19.5,18.1,17.8,19,19.3,20.7,22.3
1965,22.6,24,22.7,22.9,21.1,19.2,19.7,18.4,19.1,20.2,21,21.8
1966,22.9,23.5,23.5,23.1,21.6,19.7,19.3,18.4,19.8,19.8,20.9,23.2
1967,23.9,23.7,24.1,23.3,20.9,19.6,19,18.4,18.6,19.8,22.1,23.2
1968,23.1,22.7,23.2,22.7,21,20.4,18.6,18.3,19.1,19.6,20.2,21.7
1969,22.8,23.7,24.4,24,22.1,20.3,19.5,18.1,19.7,20.2,22.2,23.7
1970,24.5,24.8,24.5,23.3,21.4,19.5,19.1,18.3,18.8,19.6,20.8,21.7
1971,23,23,22.6,22.5,21.2,19.6,18.6,18,17.9,19,21.1,22.2
1972,23.1,22.9,22.9,22.6,21.5,20.6,19.1,18.9,19.1,20.2,22,23
1973,23.6,23.5,23.6,22.6,21.7,19.2,18.8,18,18.6,19.5,20.8,21.3
1974,21.8,22.2,22.2,21.6,20.2,18.7,18.2,18.3,18,19.3,20.7,22.2
1975,23,23.6,23.5,23.1,21.9,19.5,19.1,18.2,19.3,19.6,21.7,22.1
1976,23.2,23.8,23.9,22.9,22.3,20.7,19.3,19.6,19.3,20.3,21.9,23.3
1977,24.5,24.6,24.1,23.7,22.5,21,20.2,18.9,19.4,20.5,21.5,22.7
1978,23.9,24.1,23.2,23.3,22.5,20.6,19.4,19.7,20,20.8,21.8,22.7
1979,24.5,23.7,23.6,22.9,22.6,20.6,19.3,19.6,19.9,20.2,21.8,24.1
1980,24.4,23.9,24,23.6,21.4,20.5,19.3,18.9,19,20.6,21.6,22.6
1981,23.6,23.6,24.3,24,21.4,20.4,18.7,19,18.9,20,20.8,22.3
1982,23.5,23.3,23.3,22.4,22,20.2,19.6,19.1,19.7,20.1,21.6,22.4
1983,22.8,23.8,23,22.2,21.1,19.7,19,18,18.1,19.8,20.3,22
1984,23.4,23.2,22.7,22.6,20.6,18.9,18.1,18.5,19.8,20.3,21.9,22.5
1985,24.2,24.4,23.9,22.8,21.5,19.6,19.1,18.7,18.8,19.2,20.8,22.6
1986,23.7,23.6,23.3,22.7,21.6,19.8,19,18.9,19.7,20.4,21.8,23
1987,24.2,23.9,24,24.3,22.2,20.1,19.8,19.1,19.2,20.3,21.4,22.5
1988,24.3,24,24.2,23.5,21.9,20,19.5,19.5,19.3,21,21.6,23.1
1989,23.6,23.8,23.7,23.1,21.5,19.5,18.9,18.7,19.6,20.2,21.2,23.2
1990,23.3,23.3,23.7,22.7,21.3,20.4,19.2,18.9,20.1,20.7,21.9,22.7
1991,23.9,24.6,23.1,23.3,21.9,20.3,18.9,19.3,19.8,20.7,22.1,22.9
1992,24,24.2,23.7,22.6,21.5,20,18.8,18.9,18.9,20.3,21.1,20.9
1993,23.7,23.9,24,23.3,22.4,20.3,18.3,18.7,18.5,19.7,20.8,22.3
1994,23.5,23.7,23.8,23.5,21.8,20.3,19.7,18.9,19.1,19.9,20.7,22.2
1995,23.4,23.8,24,23,21.2,20.6,19.5,18.7,19.2,19.8,20.3,22.8
1996,24,23.9,23.9,23.2,20.8,20,17.9,18.5,18.4,19,20.7,22.6
1997,23.4,23.2,23.5,22.6,21.2,19.6,18.9,18.9,19,19.6,22.5,23.4
1998,24.9,24.9,24.6,23.6,21.7,20.3,19.4,19,19.3,20.1,20.7,21.6
1999,22.4,23.1,22.9,23.1,22,20.5,18.9,19,19.4,20.1,21.2,22.4
2000,23.5,23.6,23.1,22.8,21.5,19.7,18.9,19.2,19.2,20.1,20.3,22
2001,23.4,23.4,23.4,23.1,21.9,19.3,18.8,19.3,19.4,20.1,21.1,22.4
2002,23.6,24.3,24.4,22.8,21.7,19.8,19.7,19.2,19.4,20.6,22.2,23.6
2003,24.4,23.9,23.4,23.4,21.9,19.6,19.5,19.8,19.9,20.5,22.1,23.1
2004,24,24.8,24.6,23.6,21.8,20,20,19.6,19.9,20.5,20.9,22.5
2005,24.5,24.7,25.2,24.1,22.1,20.5,19.8,18.5,19.5,20,20.9,22.3
2006,23.7,24,24,23.4,21.5,20.9,19.1,18.8,19.6,20.4,22,23.5
2007,24.5,24.1,23.6,23.3,22.1,20,19.8,19.3,19.5,19.8,21.7,22.5
2008,23.6,23.7,23.5,23.2,21.7,20,18.8,19.7,19.9,20.6,22.3,23.2
2009,24.4,24.3,24.1,24,22.6,20.8,19.1,18.9,19.2,20.7,22.6,23.6
