1901,22.4,23,23.3,21.7,21.1,20.3,19.1,19.6,21,21.4,20.6,21.4
1902,22.3,22.9,23.2,21.5,20.8,20.4,19.5,20,21.2,21.5,20.6,21.4
1903,22.6,23.2,23.4,21.8,21.1,20.3,19.3,19.7,21,21.4,20.4,21.3
1904,22.2,23,23.3,21.8,21.1,20.5,19.1,19.6,21,21.4,20.6,21.4
1905,22.4,23,23.3,21.7,21.1,20.3,19.2,19.6,21,21.5,20.8,21.5
1906,22.3,23.2,23.3,21.7,21.3,20.6,19.2,19.8,21.1,21.4,20.4,21
1907,22.2,23.1,23.4,21.8,21.2,20.4,19.2,19.6,21,21.4,20.5,20.9
1908,22.3,22.8,23.5,21.9,21.6,20.5,19.2,19.6,21.3,22,20.3,21.1
1909,22.1,22.8,23.1,21.4,21,20.2,19.2,19.7,21,21.4,20.5,21.4
1910,22.3,23,23.4,21.9,21.3,20.4,19.4,19.8,21,21.4,20.6,21.6
1911,22.5,22.7,23.3,21.6,21,20.5,18.8,19.5,20.8,21.3,20.5,21.1
1912,22.2,22.9,23.1,21.5,20.8,20,18.6,19.2,20.6,21.2,20.6,21
1913,22.1,22.7,23,21.5,21,20,19.1,19.6,21,21.4,20.6,21.4
1914,22.4,23,23.3,21.7,21.1,20.3,19.1,19.6,21,21.4,20.6,21.5
1915,22.4,23,23.3,21.8,21.1,20.2,19,19.5,20.9,21.4,20.7,21.3
1916,22.3,23.1,23.1,21.5,21.1,20.2,19,19.6,21,21.4,20.7,21.4
1917,22.4,23.2,23.3,21.6,21.1,20.2,19,19.5,20.9,21.4,20.7,21.5
1918,22.3,23.2,23.3,21.6,21.1,20.3,19.1,19.6,21,21.4,20.6,21.4
1919,22.4,23,23.3,21.7,21.1,20.3,19.1,19.6,21,21.4,20.6,21.4
1920,22.4,23,23.3,21.7,21.1,20.3,19.1,19.6,21,21.4,20.6,21.4
1921,22.4,23,23.3,21.7,21.1,20.3,19.1,19.6,21.2,21.5,20.9,21.7
1922,22.7,23.3,23.6,21.8,21.3,20.6,19,19.6,21.1,21.6,21,21.8
1923,22.4,23.7,23.3,22.1,21.1,20.7,19.1,20.3,21.6,22.1,21.3,21.9
1924,22.6,23.6,23.6,21.9,21.4,20.1,19.9,19.5,21.3,21.8,21.1,21.7
1925,22.5,22.9,23.3,21.7,21.3,20.7,19.6,20.1,21.2,21.3,20.6,21.3
1926,23.1,23.1,23.1,21.2,21.4,20.6,19.2,20.1,21,21.6,21,21.4
1927,22.9,23.7,23.6,21.6,21.3,20.3,19.8,20.2,21.9,21.7,22,22.1
1928,23.1,23.4,23.9,22.4,21.5,20.3,19.3,19.5,21.4,22,21.6,21.7
1929,23,24,24,22.2,21.8,20.5,18.9,19.9,21.2,21.4,20.6,22.2
1930,22.5,23.1,22.9,21.5,20.9,20.1,18.8,19.7,21.1,21.8,21.4,21.4
1931,22.4,23.1,23.3,21.7,21.4,20.5,19.3,19.8,21.2,21.6,20.6,21.5
1932,22.4,23.4,23.3,21.7,21.1,20.3,19.1,19.6,21,21.4,20.6,21.4
1933,22.2,23.1,23.2,21.9,21.2,20.4,19.1,19.6,21,21.8,21.3,21.5
1934,22.2,22.8,23.3,21.8,21.6,20.2,18.8,19.7,21.2,21.5,21.2,21.5
1935,23.1,23.1,23.7,21.9,21.3,19.6,19,19.4,20.8,21.7,21.4,21.4
1936,22.1,22.9,23.3,21.9,21.7,19.8,18.8,19.7,20.9,22.1,21.8,21.7
1937,22.7,23.4,23.4,22.2,21.6,20.7,19.3,20,21.5,21.9,21.1,22
1938,22.5,23.7,23.5,21.7,21,20.7,19.5,20.3,21.6,21.7,21.1,21.4
1939,22.8,23.2,23.2,22,21.7,20.3,18.9,19.8,21.2,21.9,21.1,21.9
1940,22.7,23.6,23,21.1,21.8,21,19.2,20,21.8,22,21.5,22.2
1941,23.1,24.8,24,22.9,22.1,20.1,19.5,19.8,22,22.6,21,21.5
1942,23.5,24.1,23.9,22,22.2,20.6,18.7,19.5,21.6,21.6,21.1,21.9
1943,23.6,23,23.5,22.4,21.7,20.4,18.9,19.3,20.8,21.7,22.4,22.4
1944,22.6,23.5,23.5,22.7,22,21.3,19.3,19.4,20.6,21.8,22.3,22.2
1945,23.6,23.7,25.2,23.1,21.7,19.9,19.2,19.4,20.7,21.6,21,21.5
1946,22.9,23.6,24.3,22,21.7,20.4,18.9,19,20.5,21.3,20.9,22.2
1947,23.1,23.3,23.4,21.3,20.7,20.4,19.2,19.2,21.8,21.3,21.3,21.4
1948,22.2,23,23.1,21.9,21.8,20.7,19.3,19.9,20.9,21,20.9,20.8
1949,22.5,23.2,23.6,22.7,21.7,19.6,18.6,19.3,20.7,21.7,21.8,21.1
1950,22.1,22.2,23.4,21.6,20.5,20,18.1,18.6,20.2,20.4,21.1,21.8
1951,23.6,23.9,23.8,21.6,21.2,20.7,19.4,19,22.1,21.4,21,21.4
1952,23.5,24,24.2,22.2,21.6,20.3,19.2,19.4,21.8,21.6,21.3,22.7
1953,23.6,23.7,24.5,22.8,21.7,21.4,19.3,19.8,21.7,21.9,21.4,22.2
1954,23.9,24.2,24.7,21.8,21.2,20,19,19.2,20.8,21.5,20.9,21.6
1955,23.1,23.4,23.2,21.9,21.1,20.7,19.8,20.1,20.6,22.1,20.8,21.6
1956,22,23,23.5,21.4,21.2,20.6,18.7,19.9,20.8,21.3,20.7,21.6
1957,22.5,21.9,22.5,21.4,21.1,20.4,18.3,19.3,21.3,21.9,20.4,20.8
1958,22.7,22,23.5,22.5,21.2,20.4,18.4,19.5,21.1,21.3,21.5,21.1
1959,23.1,22.7,23.3,22,21.5,20.2,18.8,19.2,20.2,20.3,20.2,20.2
1960,22.9,22.9,22,20.9,20.8,20.9,18.4,19.5,20,20.7,21.1,22.1
1961,23.3,23.1,23.8,21.8,22.3,21.5,19.8,19.5,20.3,20.2,18.4,20.9
1962,21.2,23.2,23.3,22.9,20.9,20.6,19.1,19.7,20.6,21.1,20.6,21
1963,21.4,22.2,22.8,20.6,20.5,19.8,19.1,19.1,20.8,22.6,20.2,20.3
1964,22.5,23.7,23.9,21.4,21.2,20.6,18.1,19.2,19.9,20.6,21.5,20.4
1965,22.3,23.4,23.9,21.9,21.7,20.7,19,19.2,21.5,20.8,20.2,21.9
1966,23.4,23.2,22.4,20.6,21.9,20.7,19.3,19.8,21,21.7,20.5,22.3
1967,23.1,23.7,24.1,21.8,20.8,19.4,18.7,19.1,20.3,20.3,19.4,20.8
1968,22,21.7,20.9,20.4,20.5,19.9,18,18.7,20.9,21.3,19.7,21.1
1969,22.3,21.5,22.6,23.1,21.1,20.4,19.3,19.9,21.7,22.4,21,22.1
1970,21.9,23.2,22.4,20.8,20.7,20.1,18.2,18.3,20.5,21.2,21.2,21.2
1971,22,22.7,23.3,20.9,20.3,19.5,18.5,19.1,20,20.4,20.8,20.8
1972,21.5,21,23.1,22.5,21.2,19.6,17.8,19.8,21.2,21.3,19.7,21
1973,21.8,24.2,24.4,22.8,20.8,19.8,19.4,19.5,20.8,21.7,21.2,21.4
1974,22.6,22.5,22.1,20.7,19.8,19.6,18,19.7,19.3,21.2,20.7,21.3
1975,22.8,23.4,24,22,21,19.6,19.2,18.3,20,20.4,20.3,21.5
1976,22.6,23.2,23.8,21.7,20.8,20.5,19.3,20,20.9,21.8,21.1,21.7
1977,21.9,23.2,23.4,21.6,21.8,20.2,19.1,19.8,20.9,21.8,19.1,21.3
1978,22.1,22.9,21.1,22.3,21,20.4,19.3,19.9,21.4,21.4,20.8,21.3
1979,22.2,22.7,22.4,22.4,21.1,19.7,19,20.7,20.9,20,21,22.9
1980,22.6,23.3,24,22.5,21,19.6,19,19.4,21.3,22,20.3,21.1
1981,23.2,23.6,22.8,21.1,20.9,20.6,17.9,20,21.1,21.7,21.5,22.1
1982,23.5,23.9,24.7,21.9,21.2,20.9,20.3,20.4,22.6,21.1,20.3,21.8
1983,23.5,24,24.3,22.3,21.7,20.6,19.8,19.9,20.6,21.7,22.2,20.2
1984,20.5,23.2,24.3,20.6,21.9,20.7,18.7,19.3,21.5,21.3,19.5,21.1
1985,23.3,22.1,23.1,20.8,20.4,19.5,18.8,19.7,21.3,21.1,20.7,21.7
1986,22.9,23.8,23,21.6,20.8,19.2,18.5,20.6,21,22.1,21.1,21.1
1987,22.7,23.7,24.6,23.5,21.6,20.2,20.2,21,22.8,22.9,21.9,23.5
1988,23.4,24.5,24.2,22.1,21.5,22.1,19.2,19.8,21,21.8,21.1,21.7
1989,21.2,21.9,23.4,20.8,20.9,20.1,19.2,19.8,21.3,21.5,20.9,20.7
1990,22.3,23,22.3,21.8,21.9,21.1,19.8,19.6,21.2,21.9,20.3,21.4
1991,22.5,24,24.2,22.4,21.7,21.6,19.8,20.1,21.9,22.4,22,21.7
1992,23.5,24.2,24,21.5,20.7,19.8,18.4,18.9,20.3,21.8,20.6,21.4
1993,21.5,21.6,22.8,22.2,21.6,21.2,19.2,20.5,21.2,21.6,22.3,21.8
1994,20.8,23.2,21.5,21.5,21.4,20.7,19.4,19.7,21.5,21.6,19.9,21
1995,23.1,23.7,23.9,23.2,21.4,20.8,18.6,20.3,21,21.9,21.7,22.1
1996,23.5,25.1,24.5,22.1,21.7,21.7,19.6,20.5,22.3,22,20.7,21.8
1997,23.6,23.8,23.2,22.1,21.9,20.8,19.9,20.3,22.8,22.2,22.1,23.3
1998,24,24.9,24.2,21.4,20.5,21,19.8,18.6,21.4,22.6,22.2,22.4
1999,23.9,23.8,24,23.4,21.7,22.7,20.2,21.3,23.1,21.6,21.3,21.6
2000,22.3,24,24.7,24.2,23.9,21.2,20.9,22.3,21.6,22.1,22.7,21.4
2001,23.2,25.6,25.1,22.1,21.6,20.6,19.2,21,22.2,22.6,21.2,22.2
2002,23.3,24.7,25.2,23.5,22.8,21.7,20.5,21.2,23.6,23.3,21.3,23
2003,23.9,23.8,24.9,23.2,22.3,21.5,20,20.4,21.6,22.9,22.5,24.7
2004,25.2,25.7,24.4,21.6,22.3,21.2,20.4,21.3,21.6,21.4,21,21.4
2005,22.1,25,24.7,23.5,21.2,21.3,19.3,20.1,22.2,22.1,22.6,24.2
2006,24.5,25.5,24.1,22.7,22.3,20.9,21.1,20.9,21.5,23.3,22.1,21.3
2007,23.8,24.9,25.2,23,22.7,19.9,18.6,20,22.8,22.1,21.3,23.1
2008,24.5,26,23.7,23.1,22,20.4,20.2,22.1,21.6,21.3,20,21.5
2009,22.8,25.1,24.7,22.9,22,21.6,20.2,22.5,22.7,23.5,22,24.2
