1901,22.9,22.9,22.8,22.7,21.7,19.9,19.1,18.9,19,20.3,21.6,22.6
1902,22.9,22.9,22.8,22.7,21.7,19.9,19.1,18.9,19,20.3,21.6,22.6
1903,22.9,22.9,22.8,22.7,21.7,19.9,19.1,18.9,19,20.3,21.6,22.6
1904,22.9,22.9,22.8,22.7,21.7,19.9,19.1,18.9,19,20.3,21.6,22.6
1905,22.9,22.9,22.8,22.7,21.7,19.9,19.1,18.9,19,20.3,21.6,22.6
1906,22.9,22.9,22.8,22.7,21.7,19.9,19.1,18.9,19,20.3,21.6,22.6
1907,22.9,22.9,22.8,22.7,21.7,19.9,19.1,18.9,19,20.3,21.6,22.6
1908,22.9,22.9,22.8,22.7,21.7,19.9,19.1,18.9,19,20.3,21.6,22.6
1909,22.9,22.9,22.8,22.7,21.7,19.9,19.1,18.9,19,20.3,21.6,22.6
1910,22.9,22.9,22.8,22.7,21.7,19.9,19.1,18.9,19,20.3,21.6,22.6
1911,22.9,22.7,22.7,22.6,21.6,19.9,18.9,18.8,18.9,20.2,21.5,22.4
1912,22.8,22.8,22.7,22.6,21.5,19.8,18.9,18.7,18.8,20.2,21.6,22.4
1913,22.7,22.7,22.7,22.6,21.6,19.8,19.1,18.9,19,20.3,21.6,22.6
1914,22.9,22.9,22.8,22.7,21.7,19.9,19.1,18.9,19,20.3,21.6,22.7
1915,22.9,22.9,22.8,22.8,21.7,19.8,19,18.8,19,20.3,21.6,22.5
1916,22.8,23,22.7,22.6,21.7,19.9,19,18.9,19,20.3,21.7,22.6
1917,22.9,23,22.8,22.6,21.7,19.9,19.1,18.9,19,20.3,21.6,22.6
1918,22.8,23,22.8,22.6,21.7,19.9,19.1,18.9,19,20.3,21.6,22.6
1919,22.9,22.9,22.8,22.7,21.7,19.9,19.1,18.9,19,20.3,21.6,22.6
1920,22.9,22.9,22.8,22.7,21.7,19.9,19.1,18.9,19,20.3,21.6,22.6
1921,22.9,22.9,22.8,22.7,21.7,19.9,19.1,18.9,19.1,20.4,21.8,22.8
1922,23.1,23.1,22.9,22.8,21.8,20,19.1,18.9,19.1,20.4,21.8,22.8
1923,22.9,22.7,22.8,22.5,21.7,19.7,19.1,18.6,18.8,20.1,21.4,22.4
1924,23,23,22.8,22.8,21.8,20.1,19.2,19.2,19.2,20.4,21.8,22.8
1925,23,22.9,22.8,22.7,21.8,20.1,19.4,19.1,19.1,20.3,21.6,22.6
1926,22.7,22.9,22.7,22.5,21.7,20.1,19.4,19,19.2,20.2,21.5,22.4
1927,22.8,22.7,22.7,22.2,21.3,19.6,18.9,19,19,20.5,21.6,22.5
1928,22.7,22.8,22.9,22.8,21.8,19.9,19.2,19,19.2,20.4,21.8,22.7
1929,22.7,22.9,22.8,22.5,21.6,19.6,19,18.6,18.8,20.3,21.6,22.5
1930,23,22.9,22.9,22.7,21.4,19.6,18.9,18.6,18.8,20,21.3,22.6
1931,22.9,22.9,22.8,22.7,21.9,20,19.2,19,19.1,20.4,21.6,22.7
1932,22.9,23.1,22.8,22.7,21.7,19.9,19.1,18.9,19,20.3,21.6,22.6
1933,23.1,23.2,23,22.8,22,20.3,19.4,19,19.1,20.5,21.4,22.7
1934,22.5,22.1,22.3,22.7,22.7,20,19.3,19.4,18.9,20.6,22.1,22.9
1935,23.4,23.2,23,22.3,22.1,19.4,18.7,18,19.3,21.2,21.7,22.6
1936,23.1,23.4,22.9,23,22.5,19.8,19,18.4,18.6,21,22.4,22.6
1937,23.3,23.6,22.9,23.7,22.3,20.1,19.1,18.9,19.7,20.9,22.7,22.7
1938,22.8,23,23,22.8,21.7,20.1,19.6,19.1,19.3,20.8,22,22.6
1939,22.5,23.4,22.8,22.9,22.7,19.7,19.3,19.4,19.3,20.5,21.9,22.5
1940,23.3,23.4,23.2,22,22.3,20.6,19.2,19,19.4,19.9,22,23.2
1941,23.3,23.2,23.2,23.3,22.5,19.8,18.9,19.2,19.7,20.6,22.5,23.6
1942,23.9,24.1,24.1,23.6,22.6,20.6,19,19.5,19,20.3,22,23.4
1943,23.1,23.2,23.3,23.5,22.7,19.9,18.6,18.8,18.6,19.8,22,23.3
1944,22.5,23.4,23.4,23.7,22.5,20.6,19.5,18.9,19.8,21,23.1,23.5
1945,23.7,23.7,23.6,23.9,22.9,19.3,18.9,19,18.5,21.1,22,23.6
1946,23.3,23.2,23.3,23.5,22.9,20.3,19,18.7,18.6,20.4,22.3,23.9
1947,24.3,23.8,23.7,23.3,21.8,19.8,19.4,18.6,19.2,20.2,21.8,22.7
1948,23.1,22.8,23.1,23.2,22.8,20.6,19.5,19.3,19.3,20.5,21.5,22.5
1949,22.8,22.4,22.5,23.1,22.3,20.3,19.8,19.9,19.6,20.9,22.1,22.7
1950,22.5,22.6,23,22.9,21.3,19.7,19.2,18.8,18.8,19.9,21.1,22.5
1951,23.1,23.4,22.9,22.5,21.6,20.3,19,19,19.8,21,22.1,23.3
1952,23.8,23.7,23.8,23.3,22.2,20.4,19.4,19.1,19.6,20.4,22.2,23.1
1953,24,23.4,23.1,23.1,22,20.3,19.3,19,19,20.6,21.8,23.2
1954,23.1,23.6,23.3,22.9,22,20.1,19.4,19.3,19.8,20,21.7,23.1
1955,23.5,23,23,22.4,21.4,19.8,19.2,18.7,19,20,21.7,23.1
1956,22,22.8,23,22.5,21.7,19.6,18.2,18.9,18.3,19.8,21.8,22.7
1957,23.2,22.8,22.9,23.4,22.2,19.6,19.2,19.2,19.4,21.1,21.6,23.4
1958,23.5,23.7,23.9,23.4,21.8,20.4,19.1,19.7,19.6,20.4,22.5,23.1
1959,23.6,23.9,24,22.8,21.2,20.3,19.2,19,19.1,20.7,22.2,23.3
1960,22.5,22.4,23,22.6,21.4,20.2,18.7,18.2,19.1,20.4,20.9,23
1961,23.2,23.8,23.2,23.1,22.5,20.5,20.1,19.5,19.9,21.5,22.3,23.4
1962,22.7,22.2,22.5,22.6,21.2,19.8,19.1,19.1,18.7,20,22.6,23.5
1963,22.9,22.8,23.3,22.3,21.3,19.9,19.6,18.6,18.5,20.5,22.7,22.8
1964,23.5,23.4,23.7,23,20.6,19.4,17.6,18.2,17.6,18.8,20.7,21.5
1965,22.1,21.9,22.1,21.9,20.5,18.2,17.9,18.2,18.6,20.5,21.6,22.1
1966,22.8,23.2,22.1,22.9,22.1,18.7,19.7,19.1,19.7,20.8,19.7,21.3
1967,22.9,23,22.7,22.2,21.8,19.7,19.2,19.1,19,19.7,22,21.8
1968,21.7,21.7,22.3,22,20.8,18.9,18.1,17.6,17.9,20,21,22.4
1969,21.9,22.6,22.1,22.4,21.1,18.9,18.7,18,18.2,18.9,20.9,21.9
1970,22.2,22.9,22.1,22.2,21.8,19.9,19.2,19,19,19.6,20.8,22.9
1971,22.7,22.1,21.6,22.3,21.2,19.2,18.6,17,18,19,20.6,22.2
1972,22.3,22.1,22.4,22.4,21.8,19.2,18.8,18.2,19.4,20.9,21.3,22.6
1973,23,23.5,23.1,22.5,21.4,19.5,18,17.8,17.7,19.9,20.9,21.5
1974,21,21.4,21.3,21.8,20.4,19.3,18.7,17.9,18.4,18.8,21.2,21.8
1975,22.4,22.2,23.4,22.3,21.7,20.1,18.8,18.1,18.8,19,20.2,23
1976,22.1,22.5,22.2,22,21.3,19.7,18.3,18.2,18.6,20.5,20.6,22.3
1977,22.8,23.2,21.6,23,21.3,18,18.3,18.8,19.1,20.8,21.3,22.3
1978,23.2,23.6,21.9,22.7,21.3,20.5,18.7,19.7,19.7,20.7,21.9,22.3
1979,23.5,23.7,22.7,22.5,22.2,20.5,19.4,20.3,19.9,20.1,22.3,24.1
1980,23.4,24,23.1,23,23,19.4,19.6,19.5,19.5,20.5,22.5,23.3
1981,23.6,23.9,23.2,22.2,21.3,19.5,18.2,18.9,18.8,20.3,21.7,23.3
1982,23.5,23.2,22.5,22.5,22.1,20.9,20,19.2,19.7,21.2,22.1,23.1
1983,23.6,23.5,23.5,23.6,22.4,21.7,19.9,19.3,19,20.4,21.3,21.9
1984,22.8,22.5,22.8,22.1,21.9,20.5,19.3,18.7,18.8,20.2,21.9,22.7
1985,23.3,23.6,22.8,22.8,22,19.9,19.4,19.1,19.2,20.1,22.1,23.4
1986,23.5,22.3,23.3,23.1,22.2,20.2,18.7,18.7,19.5,21.5,22.7,23.4
1987,24.2,23.2,23.6,23.7,23,20.6,19.1,20.7,19.7,21.2,22,23.5
1988,24.2,24.2,23.8,23.5,21.9,21.9,19.9,20.4,20.3,20.7,22.4,23.1
1989,23.6,22.1,23,22.9,21.8,20.3,19.5,19.3,19.4,20.4,22,23
1990,23.2,24.2,23.6,23.3,22.3,19.9,19.2,19.2,19.9,20.9,22.8,23.4
1991,23.3,24.1,23.9,22.6,22.4,20,20.1,19.2,19,20.8,22.1,23
1992,23.7,24.3,23.5,23.4,22.4,21.6,20.1,19.5,20.1,20.5,22.1,23.4
1993,23.2,22.7,23,23,22.6,20.2,18.6,18.7,18.8,20.2,22.2,22.7
1994,24,23.5,23.4,22.7,22,19.9,19.9,19.4,19.9,21.8,22.3,23.2
1995,24.1,23.4,23.3,23,22.4,19.8,19.8,19.6,19.5,21.1,21.3,23.1
1996,24.2,23.8,23.1,22.9,22.4,20.5,19.1,18.2,18.9,20,21.2,23.3
1997,24.2,23.3,23.7,23.3,22,21.5,19.9,19,19.4,21.4,23.2,23.7
1998,23.5,24.5,24.2,23.9,21.6,21.1,19.6,19.8,20.5,20.2,21.9,23.6
1999,24.2,23.3,23.2,22.9,22,20.6,19.6,19.3,19.5,19.8,21.9,23
2000,23.8,22.4,23.5,22.8,21.8,19.9,19.5,19,18.8,20.3,22.9,23
2001,23.1,23.1,23.6,22.6,22.2,20.4,19.4,19.3,19.4,20.9,22.3,23.2
2002,23.8,23.2,23.2,22.8,22.1,20.7,20.3,20,20,21.6,22.3,23.8
2003,24.1,23.7,23.8,23.6,23.5,21.9,19.5,19.5,19.5,21.9,22.2,22.8
2004,24.9,24.3,23.7,22.9,22.6,19.9,19.7,19.7,19.4,19.9,21.6,22.4
2005,23.3,23.9,23.4,22.8,22.2,20.7,19.2,18.6,19.4,20.2,22.1,23.4
2006,23.8,23.4,23.6,22.5,21.9,20.4,19.3,19.6,19.8,21.3,23.2,23.9
2007,24.4,24.1,23.7,23,22.4,20.6,19.7,19.3,20.1,20.7,22.2,23.6
2008,23.8,24.4,22.6,23.4,21.1,19.3,19,19.4,19.2,21.4,22.9,23.2
2009,23.7,24.2,23.3,23.5,21.9,21.2,19.6,19.6,19.9,21.5,22.8,24.6
