1901,21.6,23.8,23.7,24.1,23.6,23.1,22.7,22.6,22.8,23.1,23.3,22.8
1902,23.8,23.4,24.2,24.7,23.8,22.9,22.7,23.2,22.8,22.9,23.3,23
1903,22.9,24.1,24.8,24.4,23.8,23.1,22.7,22.6,22.5,22.8,23.3,23.5
1904,22.6,24,24.5,24.4,23.7,23.5,22.7,22.9,23.1,23.1,23.7,23.3
1905,21.9,23.1,23.6,24.4,23.9,22.6,22.7,22.4,22.5,23,23.9,23.3
1906,21,24.5,25,25.9,23.5,23.2,22.3,22.4,23.4,23.5,23.9,24.1
1907,23.2,23.5,24,24.2,24.6,22.8,22.7,22.7,22.9,23.8,23.1,22.4
1908,23.1,24.1,24.5,25,24.4,23.1,22.7,22.1,22.8,23,22.7,22.1
1909,22.1,24.6,25.4,24.4,23.3,22,21.8,21.8,22.8,22.4,22.8,22.7
1910,20.5,24.4,24,24.1,23.8,24.2,23.2,23,23.2,22.8,23.3,23
1911,22.2,23.8,24.6,24.6,23.8,22.5,22.8,22.5,22.7,22.9,23.4,22.7
1912,24.3,24.6,25,25.6,24.2,23.5,23.1,23,23.2,23.1,23.4,23
1913,24.2,24.9,23.3,24,24.2,23.9,23.6,23.9,24.1,23,23,22.8
1914,24.1,23.7,23.9,24.4,24.8,24.6,23.2,23,23.4,23.5,24.4,23.1
1915,22.5,23.8,24.8,24.3,23.8,22.9,22.7,22.6,23,23.3,23.5,23.4
1916,21.8,23.2,24.6,24.6,23.7,22.9,22.8,22.4,22.5,22.9,22.9,22.6
1917,22.9,24.2,24.4,24.3,23.1,22.5,22.7,22.6,22.3,22.5,22.5,22.5
1918,21.6,24.5,24.2,24.3,23.9,23.1,22.7,22,22.2,23,23.2,23
1919,22.7,24.2,24.4,24.5,23.8,22.7,22.3,22.6,22.6,22.8,23.8,23
1920,22.4,24,24.3,24.5,23.8,23.1,22.5,22.6,22.8,23.1,23.2,23.1
1921,23.6,24.1,24.5,24.2,23.6,22.7,22.5,22.5,22.5,23.1,23.3,22.4
1922,22.5,24.4,25.1,24.5,24,23.2,22.9,22.2,22.5,22.4,22.6,22.6
1923,22.8,23.2,24.1,23,22.8,22.7,22.4,22,22.7,23,22.8,22.8
1924,21.5,23.4,24,23.8,23.6,22.6,22.2,21.9,22,22.5,22.2,22.4
1925,20.3,23.3,23.5,23.8,22.7,22.2,21.8,21.9,22.2,22.4,23.4,22.4
1926,22.7,24.3,24,23.8,23.3,22,21.6,23,23.6,22.6,22.8,23.5
1927,20.8,23.8,23.6,24.1,22.8,22.6,22,21.9,22.5,21.9,22.5,22.5
1928,21.5,23.4,23.4,22.5,22.6,22.4,22.1,21.3,22.5,22.4,23,22.6
1929,21.3,22.2,22.7,22.6,23.1,22.9,23.5,21.9,22.5,21.7,21.3,21.4
1930,22.7,24.6,24.2,24.2,23.7,22.4,22.9,22.6,23.2,21.8,24.7,24.3
1931,23.8,23.9,24.1,24.6,23.7,23.1,23.2,22.6,22.2,22.6,23,23.3
1932,21.6,24,25.3,25.4,23.8,22.5,22.6,23.2,23.5,23.7,24.2,24.1
1933,24.3,24.4,25.5,24.8,22.9,23,22.4,22.4,23.2,22.8,23.7,23.2
1934,21.4,23.4,24.6,24.4,23.5,22.4,22.3,22.5,22.6,22.7,24.3,23.1
1935,21.8,23.8,25.5,25.3,22.9,21.9,21.9,22,21.7,22.2,22.4,22.5
1936,21.6,23.3,25.5,23.4,22.6,22.3,21.9,21.6,21.9,22.2,22.6,22.1
1937,21.7,23.7,25.1,25.3,24.8,23.9,23,22.6,22.7,23.4,24.4,23.4
1938,23.6,24.8,24.6,25.3,24.9,24.1,23.2,22.8,23.4,23.9,24.5,23.3
1939,23.6,23.9,25.5,24,23.9,23.6,22.8,22.4,23,23.5,24,23.9
1940,22.9,24.2,24.2,24.2,23.5,22.9,22.7,22.6,22.7,23.1,23.4,22.6
1941,23.8,24.1,25.5,24.9,25.2,23.8,23.2,23.1,23.5,24.2,24.5,24.3
1942,22.8,25,25.1,24.8,23.8,23.8,23.1,22.4,23.4,23.6,23.9,22.8
1943,22.5,23.9,24.7,24.4,23.2,22.4,23,22.7,23,23.3,23.9,23.7
1944,22.5,23.7,25.2,23.8,24.6,23.2,23,22.7,23.5,23.7,23,23.5
1945,23.4,23.4,24.4,24.2,24.1,23.3,23.2,22.6,23.8,23.2,23.1,22
1946,23.3,24.2,25.2,24.7,23.5,22.8,22.8,22.4,22.6,22.3,23.3,22.3
1947,22,25.7,24.3,24.9,24.7,23.8,23,23.4,23.1,23.1,22.5,23
1948,21.3,24.2,24.2,23.9,23.3,22.4,22.8,22.9,23.4,23.3,23.3,23.3
1949,22.9,23.8,25.4,24.7,24.7,23.5,23.4,22.9,23.6,23.8,23.9,23
1950,23.3,23,24.2,24.5,24,23.6,22.5,22.4,23.1,22.7,22.9,23.1
1951,22.8,24.2,25.6,25,23.9,23.2,22.9,21.9,23.6,23.5,23.1,23.6
1952,22.8,23.6,24.9,25.2,24,22.8,22.6,22.3,22.2,22.6,22.5,22.9
1953,23.6,23.9,24,24.5,22.9,22.6,22.6,22.2,22.6,22.1,22.6,22.2
1954,22.2,24,24,23.8,22.8,22.7,21.8,21.8,22.2,21.7,22.2,23.2
1955,22.7,24.3,24.1,23.6,23.4,22.5,22.2,21.9,22.5,22.6,22.5,22.2
1956,22.2,23.9,23.6,24,23.3,22.4,21.7,21.6,22.6,22.6,22.8,22.9
1957,21.9,23.4,24.5,23.8,23.7,23.1,22.5,22.6,22.6,22.5,22.7,22.8
1958,23.3,23.2,24.6,24.2,23.1,22.7,21.7,22.1,22.8,22.6,23.3,23
1959,23.2,23.8,24.7,24.3,23,22.8,22.6,22.5,22.8,22.9,22.8,23.1
1960,22.6,23.9,24,23.2,23.2,22.9,22.7,22.6,23.2,22.6,23,23.5
1961,23.1,23.5,24.7,23.7,23.7,22.6,22.8,21,21.6,22.7,22.6,22
1962,22.5,23.4,24,23.6,22.9,22.2,22.7,21.7,22.2,22.8,22.5,22.7
1963,23.6,23.9,24.4,24.4,23.9,23.6,23,23.2,23.3,22.6,22.4,23.3
1964,22.5,24,24.5,24.2,22.9,22.7,21.9,21.7,21.9,22.2,21.9,22.6
1965,22.4,23.2,24.2,23,23.1,22.5,22.8,23.2,22.7,23.2,23.8,23.2
1966,22.8,24.1,24.9,24.4,23.8,23.3,23.6,23.5,23.3,23.6,23.2,23.3
1967,21.8,24.4,24.1,24.4,23.9,22.5,22.6,22.9,22.5,23.2,22.7,23.6
1968,22.5,24.4,24.6,23.8,23.6,22.9,23.1,24.3,22.8,23,23.4,23.7
1969,22.7,24.5,24.6,24.8,23.8,23.5,23.2,22.7,23.3,23,22.9,24.4
1970,23.6,24.8,24.7,24.9,23.3,22.9,22.2,22.4,23.1,23.4,22.8,22.1
1971,22.2,23.3,23.8,24.2,23.1,22.1,22.2,22,22.2,22.5,22.9,21.5
1972,22.7,23.9,23.6,23.5,23.9,22.4,22.5,21.8,23.1,23.2,23.4,23.4
1973,23.4,24.9,24.6,24.5,23.4,23,22.8,22.7,22.9,22.8,22.7,23.1
1974,22.3,23.7,24.2,23.9,23.1,21.9,21.9,22.1,22.3,22.9,23.1,22
1975,20.8,23.3,24.6,23.8,23.2,22.9,22,21.7,21.7,22.5,23,22.2
1976,21.9,23.3,24.4,23.8,23.2,22.6,21.6,21.7,22.2,22.9,22.8,23.2
1977,23.6,24.3,24.6,24.8,24.1,23.1,23.5,22.1,23,23.4,23.6,22.5
1978,22.9,24.8,24.1,23.7,23.3,22.8,21.6,21.8,22.3,22.2,22.6,23.5
1979,24.2,24.3,24.3,24.9,23.7,23,22.6,23.1,23.2,23.2,23.8,23.2
1980,23.8,24.7,24.9,25,23.8,24.3,22.6,22.9,23,23.3,23.3,21.5
1981,22.8,25,25.2,24.6,23.6,22.8,23,23.3,23.3,24.1,23.2,24
1982,22.9,24,25.2,24.9,23.8,23.8,22,23.1,23.3,23.5,23.1,23.1
1983,20.4,23.5,25.4,25.3,24.6,23.1,22.3,22.5,23.4,24.2,24,23.7
1984,23.4,24.2,25,25,24.3,23.3,22.6,23.2,22.7,22.9,23.7,23.1
1985,23.6,23.8,25.2,24.6,23.8,23.4,21.9,23.2,22,22.4,24.1,22
1986,22.9,24.2,24.6,25,24,23.3,21.8,21.8,23,22.9,23.3,22.5
1987,24,25.1,25.5,26.4,25.1,24,23.8,24.6,24,24,24.8,23.6
1988,23.8,25.3,25.6,25.4,25.1,23.4,23,23.2,23.6,23.8,23.8,23.1
1989,21,24.1,25.3,25.6,24.8,24.3,23.2,22.9,22.1,22.7,24.2,23.8
1990,24,24.1,25.4,24.7,24.6,24.2,23.3,22.8,23.1,23.9,24.3,23.7
1991,23.8,24.8,25.4,24.3,24.3,23.6,23.4,23,22.9,22.7,23.5,23
1992,21,23.6,24.8,25.4,24.2,22.8,22.4,22.5,22.7,23.1,22.6,23.6
1993,21.7,23.5,23.9,24.5,24.1,23.3,22.1,22.8,22.7,23.7,23.6,23.8
1994,23.5,24.7,24.7,24.7,23.9,23.1,22.7,23.1,23,23,23.5,22.9
1995,22,23.9,24.5,25.1,24.5,23.7,23.1,23.2,22.7,23.3,23.4,23.7
1996,24.2,24.9,25.2,24.9,24.2,23.5,22.6,22.7,22.3,23.1,23.5,23.3
1997,23.5,23.2,24.5,24.5,23.6,23,21.8,22.1,23,23.2,24,24.3
1998,22.6,25,25.9,26,25,23.8,23.5,22,22.9,23.6,24.4,23.7
1999,23.9,24.1,24.8,24.6,24.4,23.6,23,22.7,22.6,23,23.9,23.8
2000,23.6,24.3,25.2,24.8,24.5,23.3,22.8,22.9,22.8,23.3,23.6,23.7
2001,23.6,24.1,25.4,24.8,23.8,23.5,23.1,22.6,23.3,23.7,24.3,24.2
2002,23.4,24.6,25.2,24.9,25,23.5,23.2,23,22.8,23.5,24.4,23.7
2003,23.9,25.3,25.8,24.9,24.9,23.4,22.2,23.5,24.1,24.2,24.1,24.4
2004,24.7,24.7,25.6,25,24.5,23.3,22.8,23,23,23.7,24.4,25.1
2005,22.6,25.6,24.4,25.4,24.5,24.2,22.6,22.7,23.8,23.9,24.6,24.8
2006,23.9,25.2,24.9,25.7,23.9,23.6,23.4,23.5,23.5,24,24.2,24
2007,21.8,24.8,25.3,24.8,24.5,23.4,23.7,23.6,23.6,23.5,24.1,24
2008,22.3,24,24.9,24.9,24.1,23.6,23.6,23.7,23.7,24.1,24.3,24.6
2009,24,25.4,25.1,24.9,24.8,24.1,23.7,23.5,23.7,24.1,24.1,24.5
