1901,23.6,23.3,22.4,21.5,20.4,19.1,18.1,18.6,20.6,21.9,22.7,23.6
1902,23.6,23.3,22.3,21.6,20.4,19.1,18.1,18.6,20.6,21.9,22.7,23.6
1903,23.6,23.3,22.7,21.8,20.4,19.1,18.1,18.6,20.6,21.9,22.7,23.6
1904,23.6,23.3,22.5,21.4,20.4,19.1,18.1,18.6,20.6,21.9,22.7,23.6
1905,23.6,23.3,22.5,21.5,20.4,19.1,18.1,18.6,20.6,21.9,22.7,23.6
1906,23.6,23.3,22.3,21.7,20.4,19.1,18.1,18.6,20.6,21.9,22.7,23.6
1907,23.6,23.3,22.3,21.4,20.4,19.1,18.1,18.6,20.6,21.9,22.7,23.6
1908,23.6,23.3,22.3,21.5,20.4,19.1,18.1,18.6,20.6,21.9,22.7,23.6
1909,23.6,23.3,22.3,21.3,20.4,19.1,18.1,18.6,20.6,21.9,22.7,23.6
1910,23.6,23.3,22.2,21.3,20.4,19.1,18.1,18.6,20.6,21.9,22.7,23.6
1911,23.6,23.3,22.5,21.7,20.4,19.1,18.1,18.6,20.6,21.9,22.7,23.6
1912,23.6,23.3,22.4,21.7,20.4,19.1,18.1,18.6,20.6,21.9,22.7,23.6
1913,23.6,23.3,22.3,21.6,20.4,19.1,18.1,18.6,20.6,21.9,22.7,23.6
1914,23.6,23.3,22.5,21.5,20.4,19.1,18.1,18.6,20.6,21.9,22.7,23.6
1915,23.6,23.3,22.4,21.7,20.4,19.1,18.1,18.6,20.6,21.9,22.7,23.6
1916,23.6,23.3,22.5,21.4,20.4,19.1,18.1,18.6,20.6,21.9,22.7,23.6
1917,23.6,23.3,22.4,21.5,20.4,19.1,18.1,18.6,20.6,21.9,22.7,23.6
1918,23.5,23.2,22.4,21.3,20.2,19.1,18.2,18.4,20.5,21.9,22.6,23.5
1919,23.5,23.3,22.4,21.7,20.2,19,18.2,18.5,20.6,21.8,22.7,23.5
1920,23.7,23.3,22.4,21.4,20.4,19.1,18.1,18.5,20.6,21.8,22.7,23.7
1921,23.7,23.3,22.4,21.6,20.4,19.1,18.1,18.6,20.6,21.9,22.6,23.6
1922,23.8,23.4,22.5,21.6,20.5,19.3,18.2,18.7,20.6,21.6,22.7,23.7
1923,23.5,23.3,22.3,21.5,20.4,19.2,18.1,18.7,20.4,21.9,22.8,23.7
1924,23.8,23.4,22.3,21.5,20.4,19.2,18,18.5,20.5,21.8,22.7,23.5
1925,23.6,23.2,22.3,21.5,20.3,19.2,18,18.5,20.4,21.8,22.8,23.7
1926,23.7,23.3,22.4,21.7,20.4,19.1,18,18.4,20.5,21.8,22.7,23.6
1927,23.7,23.3,22.4,21.6,20.3,19,18,18.4,20.5,21.8,22.7,23.7
1928,23.7,23.5,22.3,21.6,20.3,19.2,18,18.5,20.7,22,22.8,23.7
1929,23.7,23.4,22.2,21.5,20.4,19.2,18.1,18.5,20.7,22,22.8,23.6
1930,23.6,23.4,22.5,21.4,20.2,19,18,18.5,20.5,21.9,22.9,23.7
1931,24,23.9,23.3,22.2,21.3,19.8,17.5,18.5,20.4,21.3,23.1,23.4
1932,23.5,23.2,22.8,22.9,20.6,19,17.5,19,19.7,21.9,22.7,23.8
1933,24,23.8,23,22.1,20.9,19,18,18.7,20.7,22.3,22.3,23.8
1934,23.3,22.7,22.6,21.9,20.8,19.8,17.7,18.7,20.7,21.1,22.2,23.4
1935,23.6,23.2,22.7,21.7,19.9,18.7,18.1,18.2,19.9,22.5,22.2,23.4
1936,23.1,22.9,22.3,21.3,19.8,19.8,18.4,19.3,20.5,21.5,22.3,23.4
1937,23.4,23.1,22.4,21.7,20.7,18.8,17.6,19.2,20.1,22.2,22.9,23.6
1938,23.6,23.4,22.5,22.4,20.5,19.4,18.1,18.4,19.9,21.7,21.8,23.4
1939,23.7,23,22.5,21.7,20.6,19.4,18.4,18.3,20.3,21.8,22.6,23.5
1940,24,23.6,22.8,21.8,20.4,19.4,18.3,19.3,20.4,22.3,22.4,24
1941,23.9,23.8,23.1,22.4,21.2,19.7,18.8,19.2,20.1,22.5,22.7,23.6
1942,23.9,24,23.1,22.1,20.4,19.3,18.5,18.8,20.8,21.6,23,23.4
1943,23.7,23.3,22.8,22,20.6,19.3,18,18,20.5,22.4,22.4,23.4
1944,23.8,23.4,22.8,22.2,20,18.9,18.4,19.1,20.2,22.6,22.9,23.9
1945,24,24.2,22.8,22.4,20.4,18.9,18.4,19.4,21.5,21.8,23.1,23.6
1946,23.7,23.8,22.9,22.1,20.7,19.5,18.3,18.6,20.6,21.8,22.8,23.9
1947,23.8,24.1,22.7,22,20.7,19.2,17.3,18.9,20.4,22.2,22.9,23.5
1948,23.5,23.4,22.1,21.6,20.8,19.5,18.3,19.3,20.2,21.8,22.4,23.5
1949,24.1,23.4,22.8,22.2,20.8,19.6,18.4,18.7,20.9,22.4,22.4,23.6
1950,24,23.5,22.9,21.8,20.1,19.7,17.8,18.5,20.6,21.8,22.4,23.4
1951,23.3,23.4,22.7,22,20.7,19.1,18.1,18.6,20.6,21.7,22.8,23.9
1952,23.9,23.3,23.1,22.4,20.4,19.6,18,18.6,20.3,22.3,22.8,23.6
1953,24,23.1,22.6,21.7,20.7,18.6,17.9,18.2,20.6,22.2,22.6,23.5
1954,23.7,23.4,22.5,21.7,20.2,18.9,17.4,18.4,20.7,22.1,22.4,23.6
1955,23.5,22.8,22.5,21.7,21,18.9,17.8,18,20.4,21.4,22.4,23.2
1956,23.7,22.6,22.4,21.6,19.9,19,18.1,18.4,20.1,22,22.8,23
1957,23.8,23.1,22.9,22,20.7,18.7,18.3,18.6,20.4,21.3,23,23.9
1958,23.8,23.3,22.9,22.2,20.5,19.1,18,18.8,20.7,21.6,22.9,24
1959,23.5,23.7,22.8,22.1,19.7,19.8,18.7,19,20.9,22,22.8,23.8
1960,23.9,23.6,22.5,21.8,20.3,19.9,17.8,18.8,20.8,22.6,23.1,23.6
1961,23.4,23.4,22.3,21.9,20.1,18.7,18.5,18.5,20.9,21.8,22.6,23.1
1962,23.5,23,22.7,21.5,20.6,18.8,17.6,18.6,20.5,21.9,22.1,23.7
1963,23,23.5,22.3,22,19.9,19.2,17.5,18.8,21.2,22,22.7,23.9
1964,23.8,23.7,22.8,21.8,20.8,18.4,18.3,18.2,20.3,21.5,22.4,23.7
1965,23.7,23.4,22.2,21.3,20.6,18.7,17.9,18.6,20.9,21.5,22.7,23.6
1966,23.8,23,22.4,21.5,20.6,20.1,18,18.5,20.3,22.2,23,23.8
1967,23.3,23.3,22.4,21.3,20.3,19.3,18.4,18.7,21.1,22,22.8,23.7
1968,23.5,23.3,22,21.4,20.2,18.1,17.8,18.5,20.8,22.3,23.1,23.5
1969,23.9,23.7,22.5,21.9,20.6,19.3,18.3,19,20.7,22,22.9,23.9
1970,24.2,23.8,22.6,21.8,20.8,18.8,18.3,18.6,20.5,22.4,22.4,23.5
1971,23.5,23.3,22.8,22,20.5,18.9,17.7,18.1,20.6,21.8,22.3,23.6
1972,23.3,23.5,22,22.1,20.4,18.9,18.4,18.7,20.7,22.5,23,24.1
1973,23.9,23.1,23,22.8,20.6,20.2,18.5,19,20.4,22,22.7,23.1
1974,23.1,22.6,22,21.3,20,19.1,18.1,18.4,20.3,21.8,22.4,23.6
1975,23.7,23.6,22.1,21.6,20.3,19.6,17.7,18.6,20.5,21.5,22.7,23.3
1976,22.9,22.7,21.7,21.4,20.1,18.9,17.9,18.2,20.3,21.3,22.4,23.6
1977,23.7,23.2,22.1,21.7,20.3,19.2,18,18.8,20.2,22,22.6,23.6
1978,23.5,23,22.3,21.6,20.7,19.7,18.4,18.4,20.3,21.3,22.8,23.2
1979,23.6,23.4,22.8,22.8,20.5,19.5,17.8,18.9,20.7,21.9,22.7,23.8
1980,23.8,23.7,22.9,22.1,20.7,18.6,18.3,18.6,20.1,22.1,21.9,23.5
1981,23.2,23.8,22.6,22.2,20.6,18.9,17.7,17.9,20.2,21.7,22.8,23.9
1982,23.4,23.6,22.9,21,20.7,18.9,18.7,18.7,21.2,21.8,22.5,23.6
1983,23.8,23.4,22.9,21.8,20.1,18.5,18.4,18.6,20.1,21.9,22.3,24.1
1984,23.7,23.6,22.7,21.7,20.7,19.6,18.2,19,20.7,21.7,22.3,23.4
1985,23.7,23.3,23,21.6,20.6,19.4,18.5,19,20.5,22.2,23,24
1986,23.4,23.4,22.5,21.9,20.4,19.5,18.2,19.2,20.8,21.7,22.9,23.9
1987,23.8,23.5,23,21.8,21.1,19.5,18.4,19.1,20.7,22.2,23,23.8
1988,23.7,23.7,23,21.9,20.3,19.5,18.2,19,20.8,21.9,22.9,23.5
1989,23.6,23.1,22.7,21.5,20.3,19.2,17.9,19.2,20.9,22.2,23.3,23.7
1990,23.7,23.3,22.2,21.9,20.8,19.7,18.4,18.8,20.8,21.9,23.2,23.5
1991,23.4,23.4,23,22.2,21.1,19.6,18.5,19,20.8,22.1,22.6,23.7
1992,23.9,24.4,23.1,22.1,20.8,19.9,18.7,18.9,20.8,22.2,23.2,24
1993,23.9,23.1,22.8,22.1,20.8,19.5,18.8,19,20.6,22.1,22.8,23.9
1994,23.4,23.5,23.4,21.5,20.5,19,18.3,18.9,20.9,22.2,23.4,24.1
1995,24.5,23.5,22.8,22.2,20.9,19.4,17.9,18.9,20.5,22.5,22.9,24
1996,23.6,23.5,22.2,22.3,20.5,19.2,18,19.1,20.9,21.8,22.9,24
1997,23.5,23.2,22.4,21.9,20.5,19.6,18.7,18.9,21,22.2,23.2,24.2
1998,23.9,24.2,22.9,22.4,21.2,19.5,18.2,19.1,20.6,22.3,22.6,23.6
1999,23.4,23.5,22.6,21.9,20.6,19.6,18.4,19.1,20.6,21.9,22.6,23.7
2000,23.4,23.5,22.6,21.6,20.7,20.2,18.6,18.8,21.2,22.2,23,23.6
2001,24.1,23.5,22.9,21.7,20.8,19.2,18.2,19.2,21.1,22.4,22.9,23.9
2002,23.8,23.5,22.5,22.1,20.8,19.6,18.9,19.1,20.4,21.8,23.2,24.1
2003,24.2,23.7,23.3,22,20.8,19.7,18.3,19,20.8,22.1,23,23.8
2004,23.5,23.5,22.8,22,20.4,19.2,18.1,18.6,20.7,22.4,23.3,24
2005,23.9,23.8,23.1,22.2,20.7,19.9,18.7,18.8,21,22.6,22.8,23.9
2006,23.8,23.3,22.5,22,20.3,19.4,18.5,18.6,21,22.4,22.7,23.6
2007,23.6,23.3,22.5,22.6,20.8,19.1,18.2,18.4,21,22.2,22.5,23.6
2008,24,23.3,22.5,21.8,20.7,19.5,18.5,19,20.3,21.1,22.7,23.9
2009,23.8,23.6,22.6,22.7,20.8,19.2,18.5,19.9,20.6,23,23.2,23.8
