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