1901,22.4,22.6,22.2,20.9,18.9,17.3,17.7,18.3,19.2,20.5,20.5,21.2
1902,22.3,23.4,22.6,21.6,19.8,18.7,18.6,18.3,19.1,21,23.8,23.9
1903,21.9,23.6,23.5,20.9,18.6,18.8,17.2,18.6,19.9,21.5,22.5,23.5
1904,22.6,23.4,22.4,20.6,18.1,17,16.7,18,19.8,21,21.5,21.8
1905,22.2,23.5,21.4,20.9,20.2,18.4,17.6,18.9,19.9,22.2,22.1,23.4
1906,21.5,22.3,22.2,21.3,20.2,18.6,18.5,19,19.8,21.7,22.1,22.5
1907,21.8,22.6,22.8,21.1,18.6,18.9,16.8,17.5,20.6,21,21.8,23.1
1908,22.8,23,22.2,21.6,19.8,18.6,18,18.3,19.8,21,22.4,23.2
1909,23.1,24.1,23.3,21.3,18.7,17.9,17.8,18.5,19.5,20.5,21.4,21.9
1910,23.1,22.8,22.9,21.9,18.3,18.4,16.8,19,19.8,19.7,21.1,21.5
1911,23.1,22.9,21.6,21.2,19.3,16.8,16.4,18,19.3,20.8,23.4,23.1
1912,22.4,23.5,22,21,20,17.6,16.2,18.1,17.7,19.9,22.8,22.1
1913,22.4,23.1,23.1,21.5,19.3,17.1,17.7,18.3,19.9,21.1,21.8,21.5
1914,22.6,22.2,22.8,21,18.5,19,18.1,18.4,20.3,21.7,22.6,21.7
1915,22.9,23.3,22.5,22.3,21,17.3,17,18.7,19.5,20.6,21,21.7
1916,22.3,22.2,21.6,20.8,19.5,18.1,16.6,17.8,19.9,20.1,21.7,21.4
1917,22,22.4,22,20.2,17.5,15.8,15.9,16.6,19,20.5,20.3,21.5
1918,22.4,22.3,21.9,20.6,19.3,17.3,16,16.9,18.9,20.9,21.6,21.4
1919,21.4,22.1,22.2,21.7,20.7,18.8,17.3,18,18,20.9,21.7,22.1
1920,22.5,22.6,22.2,21.1,18.9,17.4,17.3,16.6,18.6,21,22,22
1921,22.5,23,22.9,20.9,19.2,16.8,16,18.8,18.9,20.4,20.9,22.2
1922,22.7,22.8,22.8,21.6,19.6,17.8,17,18.8,19.6,20.6,21.5,22.1
1923,22.6,22.6,22.7,21.9,19.2,17.6,16,18,19.3,20.7,21.8,23.1
1924,22,22.6,23.2,21.9,19.5,17.6,16.8,17.4,19.3,19.4,21.4,21.7
1925,22.6,22.9,22.1,22.2,19.6,16.7,15.7,19,19.8,20.4,22.1,22.3
1926,22.6,22,22.5,21.3,18.7,18.2,16.5,18.1,20.2,21.2,22.3,22.4
1927,22.3,22.4,22.8,21.8,18.9,17,16.3,17.8,19.7,20.9,22.5,21.7
1928,22.5,23.3,23.1,22.7,19.5,18.2,17.3,17.8,19.9,21.2,22.1,22.2
1929,23.1,23.2,22.8,20.2,18.3,17.8,16.8,18.3,20.5,21.9,21.1,22.5
1930,22.6,22.9,23,21.1,19.7,19.1,17.5,18.6,19.4,21.3,21.9,22
1931,23.2,22.6,22.9,21.8,19.3,17.4,17.5,17.9,18.9,21,21.6,22.8
1932,22.1,23.7,22.9,22.4,19.5,17.7,17.9,17.8,20.6,21.8,22.5,22.5
1933,22.4,23.2,22.1,20.4,18.8,16.7,16.2,18,19.6,21.1,21,21.5
1934,22.4,23.3,22.9,21.7,19.6,17.8,16.3,18,19.6,20.5,22.1,22.2
1935,22,22.4,22.5,20.5,17.7,17.9,17.4,17.5,18.9,20.9,21.4,22.5
1936,22.4,21.7,21.8,21,20.5,18.5,16.8,16.9,18.6,20.9,21.2,21.9
1937,21.3,23,22.4,20.7,18,17.4,17.1,18.3,18.7,20.4,21.2,21.1
1938,23.4,22.8,23,21.1,18.7,17,16.3,17.5,19.3,20.8,21.5,21.9
1939,22.3,22.7,22.8,21.1,19.7,17.6,15.7,18.4,18.5,20.8,22,22.1
1940,22.8,22.2,22.7,22.1,20.1,17.7,17.9,18.4,19,20.8,21.4,23.6
1941,24.1,25.1,22.8,23.1,20.4,17,17.3,19.9,18.3,21.8,22.3,23.5
1942,24.7,25.2,23.1,21.7,19.7,17.8,16.7,18.9,19.5,21.8,22.6,21.6
1943,22.3,22.9,23,20.4,19.8,18.4,17,17.3,19.1,22.3,22.2,21.8
1944,22.9,23.6,23.8,21.1,18.7,17.7,16,18.2,21,23.3,21.7,23.2
1945,23.5,24,22.8,21.5,18.8,17,17.2,19.8,19.6,22.1,22.1,22.7
1946,24.4,25.2,22.3,20.5,20.6,17.2,18,19.6,21.4,23.1,22,23.6
1947,23.4,24.7,21.9,20.7,20.5,18.5,17.2,18.3,20.6,21,20.4,22.9
1948,23,24.2,21.8,21,19.9,17.3,18.4,18.9,20.5,22,21.8,22.9
1949,21.4,21.3,22.7,20.2,18.1,17.9,16.6,17.3,20.1,19.2,21.2,22.1
1950,22.5,22.8,22,21.1,17.7,17.8,16.6,18.2,18.5,22.2,21.2,21.7
1951,22.4,21.8,22.9,19.6,18.9,16.5,16.1,17.4,20.9,22.6,22.1,21.3
1952,22.8,22.9,21.5,21.4,18.4,18.3,17.6,18.4,20.5,21.9,22.1,22.2
1953,24.1,23.2,21.8,21.1,19.2,18.3,16.9,18.5,19.8,21.9,21.8,21.7
1954,24,23.7,23.2,21.4,19.8,19,17.6,18.3,21,22.4,21.9,22
1955,22.5,22.4,23.2,20.8,18.9,18.1,17.7,20.5,20.9,20.6,20.3,22
1956,24,22.9,22,21.1,21.3,16.1,16.8,17.8,20.3,21.3,20.8,21.7
1957,22.6,22.5,22.2,20.5,18.2,17.5,17.3,18.6,20.1,21.9,20.7,21.3
1958,22.8,24.8,22.2,23.7,19.1,17.8,17.6,19.1,20,21.2,23.3,23.4
1959,23.1,24.9,22.6,23.3,20.8,18.1,18.6,19.6,20.8,22.2,22.2,22.5
1960,22.7,23.5,22.2,20.9,19.2,17.7,17.2,19,20.2,22,21.6,22.3
1961,22.2,23.4,23.1,22.3,19.7,18.5,18,19.3,22.9,22,23.5,22.4
1962,23,23.2,22.7,22.1,18.9,16.6,17.2,18.9,20.1,20.2,22.3,21.7
1963,24.4,23.4,24.7,23.1,19.2,18,18,19.4,21.7,24.2,24.5,23.7
1964,23.1,23.5,22.7,22.3,19.2,18,16.6,18.4,19.9,20.8,20.7,21.5
1965,22.1,22.7,22.8,21.9,20.5,18.6,18,19.5,21.8,20.9,21.4,24.8
1966,22.1,23.5,23.2,22,19.5,18.5,17.9,19.1,19.7,22.2,23.6,23
1967,23.5,24.8,23.3,21.6,19.9,19,17.9,19.3,20.5,23.3,22.1,21.4
1968,23.5,22.3,22.8,20.4,17.4,16.3,16.4,16.9,18.8,20.6,22.4,22.4
1969,24.3,23.8,23.2,21.8,19.8,18.1,17.8,19.8,21.1,20.4,22.5,21.7
1970,22.9,23.1,23.2,21.1,20.5,18.8,17.2,18.1,19.6,21.5,21.7,25.4
1971,21.4,24.4,23.8,22.4,19.9,18.7,17.9,18.7,19.5,20.1,21.1,22.9
1972,23.8,23.9,24.4,21.7,20.7,19.9,19.4,20.8,20.6,23.3,23.7,24.2
1973,25.8,25.7,24.5,24.9,21.3,21,20,19.9,21.3,22.2,22.8,23.3
1974,23.7,23.8,22.7,21.8,20.2,17.7,17,18.7,21.2,22.1,22.4,21.9
1975,22.8,23.5,23.4,20.7,18.8,17.8,16.4,18.9,20.1,21.7,21.7,24.4
1976,23.9,22.9,22.8,21.9,19.8,18.8,17.8,19.2,20.1,21.2,22.3,22.3
1977,23,23.8,23.7,22.1,18.9,18.5,18.3,20,20.6,22.3,22.8,22.9
1978,23.5,22.8,23,21.5,19.9,17.4,18.1,18.6,19.4,21.9,22.4,22.3
1979,21.7,22.5,22.2,20.9,20,16.8,16.7,19.2,20.1,22.5,22.4,24.2
1980,23.2,23.6,22.9,21.8,19.1,19.4,19.6,20.9,19.9,24.8,22.9,23.9
1981,23,24.3,24.1,21,20.8,17.5,16.7,18.3,20.7,20.3,22.2,24.8
1982,22.4,24.6,22.5,19.2,18.4,18.9,18,19.3,19.8,22.9,23.7,22.5
1983,23.4,23.5,23,22.1,20.8,19.8,18.7,18.5,20.1,21.1,22.2,22.5
1984,24.6,25.1,23.8,22,21.7,19.6,18.5,18.8,19.7,22.3,23,23
1985,22.6,24.2,23.4,22.2,20.2,16.5,17,18.9,20,22.5,22.4,22.3
1986,23.7,24,24.3,23.1,21.1,18.4,17.9,20,19.9,23.3,23,23.2
1987,24.7,24.8,23.6,22.9,20.8,19,18.3,20,20.7,23.2,23.3,22.5
1988,25.6,24.1,24.8,22.9,21.4,18.5,17.2,18.6,21.2,22.6,21.7,23.7
1989,23.4,24.5,23.8,23.6,20.2,19,16.2,18.9,21.5,21.7,22.5,22.3
1990,24.9,24.2,24.9,23.7,20.3,18.9,19,18.5,19.7,22.4,24.4,23.2
1991,22.9,23.8,23.2,22.3,20.6,19.4,18.2,18.7,19.8,21.6,23,23.4
1992,22.5,22.5,23.4,23.3,21.6,19.4,18.4,19,19.4,21.3,22.2,22.2
1993,23.9,23.1,24.1,23.4,19.9,18.5,19,19.3,21.8,22.7,23.9,23
1994,23.3,25.3,23.2,22.2,21.3,18.9,16.8,18.9,20.6,22.8,23.5,23.6
1995,25.9,25.4,23.6,22.3,20.8,18.2,19,21.2,20.6,22.3,22.1,22.2
1996,24.6,23.8,23.9,23.4,19.3,18.2,17.7,18.3,19.8,21.6,21.3,23.1
1997,23.8,24.1,22.6,21.7,18.6,17.6,18.5,19.6,22.5,23.6,24.8,24.1
1998,24.5,24.5,24.8,23.5,20.7,18.4,18.8,21,22.1,22.1,23.4,21.8
1999,24,24.2,23.7,22.9,19.6,18.9,19.2,18.5,20.7,21.1,22.2,23.5
2000,23.9,24.5,23.1,22.1,20.6,17,17.9,19.4,19.7,24,22.2,23.6
2001,24.7,25.7,24.2,23.7,21.1,19.6,19.1,18.7,20.2,22.1,22.9,23.3
2002,24,23,24.5,23.5,21.5,20,19.3,20.7,20.3,24,23.4,24
2003,20.9,25.1,24.2,23.2,20.6,20.3,18.8,19.6,21,22.6,23.2,24.2
2004,24.3,22.9,22.9,22.2,20.9,18.6,17.5,19.3,21.9,22.7,23.4,23
2005,24.1,24.5,23.9,23.5,20.6,19.2,18.4,20.2,20.9,24.1,21.7,22.4
2006,25,25.2,23.5,22.7,20,18.2,18.4,20.3,20.3,22.1,22.1,23.3
2007,24,23.6,24.7,23.1,20.4,19.6,19.2,19.5,21,23.4,23.5,23.9
2008,23.2,24,23.1,24.4,20.4,19.5,18.3,20.3,20.7,23.6,22.7,22.6
2009,23.9,24.4,24.3,22.7,20.6,19.5,20.1,19.7,22.4,22.6,24.3,23.1
