1901,22.9,24.2,23.2,22.6,21.2,19.8,18.6,18.8,19.3,19.3,20.4,22
1902,22.7,23.3,23.3,22.5,21.2,19.6,19.3,18.4,19.3,19.3,20.9,22.4
1903,23.3,24.9,23.4,21.9,20.3,19.2,18.5,17.8,19,18.8,19.9,21
1904,22.2,22.9,22.2,21.8,20.1,19.8,18.6,18.4,18.7,18.7,21.1,21.9
1905,22.7,24,22.7,22.3,20.6,20.3,19,18.3,18.7,19.3,20.6,21.7
1906,22.4,23.4,22.8,22.7,20.8,19.7,18.5,18,19.3,18.4,20.5,20.8
1907,22,22.3,23.2,21.9,20.7,19.9,18.2,18.1,19,18.7,20.4,21.8
1908,22.7,23.1,23,22.6,21,20.4,18.6,18.1,18.5,18.4,20.1,21.4
1909,22.1,22.8,23.1,21.6,21.1,19.2,18.1,17.6,19,18.9,20.2,21.4
1910,22,22.9,22.4,22.2,20.1,19.2,17.9,17.7,18.3,18.5,20.6,21.5
1911,22.3,23.9,22.2,22.2,20.3,19.4,18.7,18.7,19.3,19.6,20.8,22.9
1912,24.2,24.7,24.2,23.6,21,19.7,18.2,18.1,18.9,19.1,19.9,22.1
1913,23.7,24.4,23.5,22.1,20.7,19.2,18.8,18.2,18.7,19.6,21.5,22.7
1914,23.3,24.7,23.6,22.3,20.7,20.2,18.7,18.8,19.1,18.8,20.5,23
1915,23.9,24.4,24.4,23.6,21.5,19.7,18.9,18.7,19,19.1,20.2,22.3
1916,22.9,23.3,22.8,22.4,20.4,18.2,17.3,17.2,18.9,18.5,19.1,21.2
1917,22.4,22.9,23.4,22.1,20,19.4,18.5,18,18.3,18.8,20.4,20.6
1918,22.2,23.2,22.4,22,19.8,21,20,19.5,19,19.4,21.6,23.8
1919,24.1,25.1,24.2,23,21.4,19.9,18.5,18.8,19.3,19.6,20.8,21.8
1920,22.7,23.4,23.1,22.7,20.1,19.5,18.8,18.2,18.7,19.4,20.7,21.7
1921,22.3,23,22.6,22.4,20.7,18.9,18.4,18.3,18.6,18.7,21.2,21.8
1922,23.4,24.2,23.7,23.4,21.2,19.7,19.4,18,19.3,19.3,21.3,22
1923,22.7,23.8,23.5,22.2,21.3,20.2,19.3,18.9,19.9,19.2,21.6,22.5
1924,24.3,24,23.7,22.9,21.2,20,18.7,18.3,18.9,19.3,20.5,22.1
1925,22.7,22.9,22.8,22.6,21.7,20.3,18.6,19.6,18.9,20.1,21.4,23.1
1926,24.5,24.9,24,23,21.2,20.4,18.8,18.9,20,21.1,22.7,23.8
1927,24.3,24.7,24.4,22.7,21.1,20,18.7,18.9,20.2,21.1,22.6,24.1
1928,24.5,25.2,24,22.9,21.9,20.1,18.7,18.9,20,20.4,22.8,23.8
1929,24.6,24.8,24.4,22.8,21.3,20.2,18.6,18.6,19.7,20.4,22.2,23.8
1930,23.9,24.5,24,23.2,20.9,20.3,19.1,18.3,19.2,20.5,21.9,23.8
1931,22.9,23,23.3,22.7,20.2,19.3,18.5,18.4,19.6,20.7,22.8,23.5
1932,23.9,24.4,24,23.4,21.3,20.3,19.4,19,19.6,20.1,21.1,22.6
1933,23.3,24.5,24,23.1,21.1,20.1,18.8,18.5,19.6,20.2,21.5,22.9
1934,24.1,24,23.6,23.6,21.1,20.2,19,18.2,19.2,20.6,22,23.7
1935,23.8,24.5,24.2,23.1,20.7,19.9,18.9,18.3,19.7,19.8,21.9,23.3
1936,23.8,24.8,23.8,22.9,21.4,20,18.9,18.7,19.8,20.4,21.5,23
1937,23.9,24.1,24.7,24.1,21.8,21,20.2,20,20.3,20.4,22.4,23.4
1938,24.8,24.7,24.5,24.2,21.8,20.4,19.8,19.6,20.5,20.3,22.4,23.5
1939,24.2,24.8,24.8,24.9,22.1,21.5,20.3,19.1,20,21.1,22,23.2
1940,24.6,25.4,24.8,23.7,22.8,21.5,20.5,19.8,21.1,21.8,23.4,23.7
1941,25,25.3,25.6,24.1,22.6,20.7,20.4,20.1,21,22.1,23.6,24.5
1942,25.4,26.5,25.6,25,22.3,21.9,20.8,21,21.2,22.3,23.9,23.1
1943,25.3,25.7,24.9,24.5,21.9,21.1,20.5,19.7,20.7,21.3,23.9,23.7
1944,24.9,25,24.4,24.1,22.1,20.3,20.3,20.2,20.9,21.3,22.3,24.1
1945,24.2,24.8,24,25.5,22.8,20.2,19.9,20.7,20.5,21.2,23.2,23.2
1946,25.6,26.4,25.6,23.4,21.4,20.1,18.2,18.2,19.7,20.5,22.2,23.3
1947,25.2,25.3,25.3,25.1,22.9,20.1,18.4,18.5,19.3,19.6,21.2,21.9
1948,23,23.8,23.2,23.1,21.3,19.7,18.3,18.2,18.7,20,21.4,22
1949,24.2,23.4,23,21.8,20,18.7,18,17.9,18.1,19.1,21.3,21.6
1950,21.9,22.9,21.8,20.6,19.3,18,18.2,17.6,19.1,19.4,20.8,22.3
1951,21.9,23.2,21.9,21,21.1,20.5,20.3,19.8,20.3,20.6,22,22.2
1952,23,23.9,24.3,21.3,20.2,18.5,17.9,18.5,20.3,20.2,20.8,22.5
1953,22.6,23.6,23.1,22.7,20.9,19.8,18.5,19.3,20.4,19.4,21.4,22.1
1954,23,23.2,22.1,21.4,19.5,18.8,17.3,17.3,18.7,19.1,21.1,22.5
1955,23.1,23.1,22.3,22,19.4,18.5,17.9,17.4,18.4,19.1,20.5,22.2
1956,21.9,22.6,23.2,20.1,19,18.5,17.4,17.6,18.6,19.3,20.5,21.3
1957,21.9,23,23.5,23.1,22,20.7,19.5,19.3,20.2,20.8,22.5,23.3
1958,24.1,24.8,25.2,23.8,21.3,19.9,19.3,18.4,19.2,19.6,21.2,22.1
1959,23.1,23.5,23.6,22.6,20.5,19.2,18.7,18,19.5,20.2,21.8,22.7
1960,23.1,23.8,23.7,22.6,21.1,19.7,18.7,18.2,19,19.7,21.3,23
1961,23.9,24.3,24.1,22.3,20.7,19,18,18.4,19.2,20.3,21.8,22.7
1962,22.7,22.6,22.7,22.5,20.7,18.6,18,17.9,19.6,19.7,21.9,22.7
1963,23.2,23.7,23.4,23,21,19.5,19,18.7,20,19.9,21.6,23
1964,23.4,23.8,23.8,22.5,19.8,18.6,18.2,17.6,19,19.8,21.9,22.4
1965,23.6,23.8,24.4,23.4,21.8,21.3,20,20.3,19.7,20.5,21.7,23.5
1966,23.9,23.9,24,22.3,20.4,19.4,18.1,17.6,19,19.7,21.7,22.5
1967,22.9,23.5,22.9,24,21.3,19.3,18.2,17.8,18.6,19.3,21,22.6
1968,23.2,23.6,22.5,22.4,19.4,19,18.3,18.3,19.3,20.3,21.2,23.1
1969,23.5,24,24,23.2,22.1,20.5,18.6,18.6,20.3,20.7,22.3,23.1
1970,23.2,24.4,24.1,23.3,21.3,19.5,18.1,18.2,19.2,19.6,21.7,21.8
1971,22.7,23,23.1,21.9,19.7,19.1,18,18,19.5,20.2,22,22.7
1972,23.8,24.2,23.7,22.4,20.7,21.1,20.1,20.1,20.3,21,22.4,23.7
1973,24.7,25.2,24.1,22.8,21,19.9,19.1,18.5,18.9,19.6,21.1,21.9
1974,22.4,23.7,22.7,21.9,20.6,19.3,18.1,18,18.4,19.4,21,22
1975,22.4,22.9,22.5,21.6,19.6,19.2,17.9,17.6,18.3,18.9,20.2,22.4
1976,23.1,23,23,22.1,20.3,19.7,19.5,19.2,19.1,19.9,21.4,24
1977,24.4,24.5,23.9,23.5,21.5,20.2,19,18.5,19.4,20.2,22.1,22.6
1978,23.3,24.4,23.4,21.5,21,19.2,18.5,18.3,18.6,20.2,22.8,22.9
1979,23.7,24,24,22.7,20.8,19.9,19.2,18.8,19.6,20.2,21.6,22.8
1980,24,25,25.1,24.6,22.4,20.7,19.7,18.7,19.6,20.3,21.8,23.2
1981,22.9,24.1,24.5,23.1,21.4,19.7,19.1,19.1,20,20.8,22,22.6
1982,23.3,24.2,23.7,22.7,22.1,20.3,19.5,19.1,20.7,21.2,21.5,24.9
1983,25.2,25.3,26.5,25.2,20.8,20.4,22,20.9,20.4,21,22.3,23.5
1984,23.7,23.8,24.1,22.2,20.8,19.7,18.9,18.8,19.5,20.8,21.9,23.8
1985,23.8,23.5,24,22,20.2,19.6,19.1,18.5,19.7,20.5,22.2,23.3
1986,23.4,23.9,23.7,22.6,20.3,19.3,18.4,18.4,19.5,20.5,22.1,23.7
1987,24.4,25.2,24.8,23.3,21.6,20.4,19.7,19.3,19.6,20.8,22.3,23.4
1988,23.2,23.9,23.7,22.8,21.1,19.3,17.8,17.7,19.1,19.5,21.8,22.7
1989,23.1,24.1,23.1,21.8,20.6,19.6,18.6,18.4,19.5,20.5,21.8,22.1
1990,23.4,23.6,23.2,22,21,19.5,18.3,17.9,19.4,20,21.2,22.8
1991,22.7,22.9,24,22.5,21.3,20.1,19,18.2,19.8,20.5,21.6,23
1992,23.6,24.7,25.5,23.7,22,19.8,18.8,18.3,19.2,20.2,21.8,22.9
1993,23.5,24.5,24.1,23.4,21.8,21.1,19.5,19.1,19.8,20.3,21.9,22.7
1994,23.3,24,24.1,22.9,22,20.1,18.8,18.9,20.4,20.9,22.2,23.6
1995,24.2,24.4,23.3,22.8,20.6,20.1,18.6,18.2,19.8,19.9,20.2,22.2
1996,22.6,23.3,23.4,21.9,20.5,18.7,18.1,18.5,19.4,20.2,21.6,22.8
1997,23.5,24.1,24.2,22.9,22.5,22.2,19.7,18.6,19.7,20.5,21.8,24.3
1998,25.2,25.9,26.3,24.5,22.1,20.9,19.4,18.8,19.7,20.3,21.9,22.8
1999,23.3,24.2,23.6,22.2,20.8,19.1,18.6,18.7,19.4,20.4,21.4,22.7
2000,23.3,23.7,23.1,22.9,20.9,19.7,18.8,18.9,19.4,20.4,21.1,23.2
2001,23.7,24.6,24.1,23.3,20.8,19.6,18.3,18.7,19.4,20.2,21.5,23
2002,23.3,24.2,24.8,23.4,21.8,19.8,18.8,18.8,19.7,20.7,22,23.5
2003,24.2,25.1,24.5,22.3,21.1,19.5,18.8,18.1,19.6,20.9,22.6,23.5
2004,23.9,24.2,24.2,23.6,20.6,19.3,18.4,18.5,20.2,20.4,21.9,23.5
2005,24,23.9,24.2,22.9,20.4,19.3,18.6,18.3,19.5,19.6,20.6,20.5
2006,23.6,23.6,24.4,22.5,20.4,20.1,19.7,19.2,19.8,20.4,22,23.2
2007,24.3,23.6,23.5,22.6,20,18.7,17.7,17.7,18.8,18.7,20.6,21.5
2008,23.3,23.7,23.8,22.4,19.6,19.6,18.8,18.6,19.7,19.9,21.9,22.7
2009,24,23.8,24.2,23.5,21.2,19.8,19,18.7,19.7,20.2,22.3,23.1
