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