1901,23.2,23.4,23.8,23.5,22.6,20.5,20.6,22.4,24.6,25,23.9,23.2
1902,23.2,23.4,23.7,23.8,22.5,20.8,20.9,22.7,24.8,25,24,23.5
1903,23.3,23.6,23.8,23.8,22.8,20.8,20.6,22.6,25.3,25.5,23.8,23.1
1904,23.1,23.2,23.4,23.6,22.4,20.8,20.5,22.4,24.4,25.2,24,23
1905,23.3,23.4,23.5,23.5,22.6,21.1,20.5,22.7,25,25.6,24,23.4
1906,23.5,23.3,23.7,23.4,22.7,20.7,20.6,22.4,24.7,25.1,23.7,23.3
1907,23.3,23.3,23.6,23.6,22.6,20.6,20.4,22.1,24.6,25.3,23.8,23.3
1908,23.2,23.4,23.7,23.7,22.3,20.7,20.6,22.6,24.8,25.5,24.1,23.3
1909,23.2,23.5,23.8,23.6,22.6,20.6,20.7,22.6,24.7,25.3,23.9,23.4
1910,23.3,23.4,23.6,23.5,22.4,20.6,20.6,22.4,24.6,25.1,24,23.3
1911,23.1,23.3,23.5,23.4,22.5,20.4,20.4,22.3,24.4,25.4,24.1,23.7
1912,23.5,23.7,23.6,23.8,23,20.6,20.5,22.3,24.8,25.2,24.4,23.2
1913,23.3,23.5,23.6,23.6,22.6,20.5,20.8,22.6,24.8,25.5,24.2,23.3
1914,23.5,23.4,24,23.6,22.8,20.9,20.6,22.6,25.1,25.7,24.3,23.5
1915,23.4,23.5,23.8,23.8,22.6,20.9,21,22.6,25,25.7,24.3,23.5
1916,23.4,23.5,24,23.8,22.6,20.8,20.7,22.4,24.9,25.7,24,23.4
1917,23.4,23.8,23.9,23.7,22.9,20.9,20.8,22.5,24.7,25.4,24.1,23.1
1918,23,23.4,23.7,23.4,22.5,20.5,20.6,22,24.7,25.8,24.2,23.4
1919,23.4,23.4,23.8,23.8,22.3,20.6,20.6,22.3,24.7,25.1,23.9,23.4
1920,23.5,23.7,23.8,23.5,22.8,20.8,20.7,22.5,25.1,25.7,24.2,23.6
1921,23.5,23.7,23.9,23.6,22.6,20.8,20.6,22.3,24.7,25.5,24,23.3
1922,23.5,23.5,23.9,23.8,22.8,20.9,20.7,22.9,25,25.4,24.3,23.5
1923,23.4,23.5,23.8,23.7,22.6,20.8,20.7,22.4,24.8,25.4,24.5,23.4
1924,23.1,23.6,24,23.4,22.8,20.9,20.6,22.4,24.8,25.4,24.1,23.3
1925,23.1,23.4,23.8,23.7,22.7,20.9,20.7,22.4,24.4,25.2,24.2,23.5
1926,23.4,23.7,23.8,23.6,22.8,20.8,20.6,22.4,25,25.5,24.2,23.4
1927,23.4,23.5,23.6,23.6,22.6,20.5,20.7,22.4,24.7,25.4,23.9,23.4
1928,23.4,23.5,23.9,23.6,22.5,21,20.5,22.4,25,25.7,24.2,23.3
1929,23.2,23.5,23.6,23.5,22.7,20.8,20.7,22.2,25,25.6,24.3,23.2
1930,23.2,23.6,23.7,23.7,22.4,20.6,20.6,22.4,24.8,25.4,24.1,23.4
1931,23.3,23.6,24,23.7,22.9,20.6,20.9,22.7,25,25.6,23.9,23.3
1932,23.4,23.5,23.7,23.6,22.6,20.6,20.5,22.2,25,25.4,24.1,23.3
1933,23.2,23.4,23.8,23.6,22.6,20.9,20.8,22.4,24.5,25.4,23.9,23.1
1934,22.8,22.9,23.1,23.1,23.1,20.8,20.9,22.9,24.6,25,23.5,22.9
1935,23.5,22.5,23.6,22.8,22.8,20.9,20.4,22.1,25.1,26.2,24,23.3
1936,23.1,23.4,23.3,23,23.1,21,20.9,22.2,24.6,25.5,24.7,22.8
1937,23.4,23.7,23.5,23.2,22.3,20.9,20.4,21.8,25,25.2,24.5,23.3
1938,23.7,23.7,23.3,23.8,22.4,20.9,21.2,22.7,25.2,25.5,24.2,23.3
1939,23.2,23.6,23.4,23.1,22.5,20.4,21,23.1,24.7,25.1,23.8,23.3
1940,22.8,23.3,23.2,23.5,22.5,21.1,20.5,23,25.3,24.8,23.6,23.5
1941,23.5,24.1,23.8,23.8,23.1,21.1,20.9,22.7,25.4,25.8,23.1,23
1942,23.4,23.7,23.4,23,22.8,21.4,20.5,23.1,25.4,24.8,22.2,22.9
1943,23.3,22.9,23,23.2,22.6,20.5,20.7,22.6,24.5,25.1,24.1,23.4
1944,23.1,23.1,22.8,23,22.2,21.9,21.2,22.9,25.4,26,23.3,23.2
1945,23.4,23.2,23.7,23.4,22.7,19.9,20.6,22.3,24.8,25.9,24.4,22.9
1946,23.8,23.9,23.5,23.4,23,20.3,20.4,22,24.9,26.3,23.7,23.2
1947,23,22.9,23.5,23.5,22.5,21.2,21,22.3,24.9,25.3,24.4,23
1948,23,23.3,23.2,23.5,22.8,20.8,20.7,22.5,24.3,25.4,24.1,23.7
1949,24.1,22.9,23.3,23.7,22.6,20.7,21.3,23.8,25.3,25.6,24.8,23.3
1950,22.7,23,23.4,23.2,21.3,20.2,20.7,22.2,24.3,23.9,23.4,22.8
1951,22.4,22.3,23.4,23.3,22.4,20.3,20.5,22.7,25.3,25.6,23.7,22.8
1952,24,23,23.5,22.9,22.2,20.7,20.6,22.7,24.8,25,23,23.7
1953,23.3,23.7,23.6,23.2,22.6,20.3,21.1,22.9,24.2,25.5,25,22.9
1954,22.7,23.3,23.4,23,22.7,20,20.5,22.8,24.8,25.5,23.8,23
1955,23.3,23.2,23.4,23.1,22.2,20.8,20.9,22.3,24.6,25.6,24.6,22.8
1956,22.5,23.1,23.5,23,22.2,20.6,19.9,22.9,24.4,25.2,23.8,22.9
1957,23,22.9,23.4,23.1,22,20.7,21.1,23.3,25.7,25.9,25.7,23.5
1958,24.3,23.8,23.8,24.3,22.4,21.2,20.2,22.2,25.9,25.9,24.9,23.5
1959,24.1,23.4,23.6,23.6,23,21.4,21.4,23.1,24.9,25.3,23.6,23.1
1960,23.4,22.9,22.7,22.7,22.2,21.4,19.8,22.7,24.6,25.4,24,23.8
1961,23.7,23.1,23.5,23.7,23.3,21.3,21.1,21.7,24.5,25.6,23.2,22.4
1962,22.7,23.1,23.2,23.4,21.3,21,20.8,22.6,24.5,24.7,23.7,23.1
1963,22.9,23.5,23.1,22.8,21.7,20.3,21.1,22.4,24.8,26,22.4,22.9
1964,23.4,23.7,23.8,23.5,22.2,20.8,19.2,22.3,23.8,24.9,23.5,23.4
1965,22.9,22.8,23.1,23.1,21.9,20.4,20.4,22.2,24.2,24.6,24.2,23.1
1966,23.6,23.6,23.5,23.3,23.1,20.8,21,22.9,25.1,25,23.8,23.1
1967,23.4,23.7,23.6,23.3,22.4,21,20,22,24.2,25.3,23.1,23
1968,23,23.1,22.9,23,22.2,20.2,20.5,22.4,24.6,25.3,24,22.6
1969,23.1,24.4,24,24.3,22.8,21.1,20.8,22.7,24.9,25.5,24.6,23.5
1970,23.3,24,23.6,23.9,22.8,21.1,21.2,22.8,24.8,25.1,23.6,22.5
1971,23.1,22.9,23.4,23.2,22.5,20.4,20.8,22.3,24.5,24.9,23.3,22.6
1972,23.2,22.8,23.5,23.7,23.3,20.6,21,22.9,25.4,25.4,23.8,23.6
1973,23.8,23.1,24.2,23.4,23.4,20.7,20.2,22.3,25,25.1,23.8,22.8
1974,22.4,23.5,23.4,23.1,21.8,20.2,20.1,22.7,24.2,25.3,23.8,23.4
1975,23.3,23.2,23.5,23.6,22.8,20.6,20.7,21.9,24.4,24.5,24.1,22.9
1976,23,23,23.4,23.1,21.9,20.2,20.3,21.9,24.8,25.5,24.2,23.6
1977,23.3,23.9,23.8,23.4,23.1,21.1,21,23,25.2,26,23.9,23.4
1978,23.3,24,23.2,23.8,22.6,20.4,20.4,23.4,25.7,25.8,23.4,23.3
1979,23.2,23.2,23.8,23.6,22.6,19.9,20.6,23.2,25.1,24.8,24.1,23.4
1980,23.6,23.8,23.7,23.5,22.5,20.2,20,22.2,25.2,25,24.1,23.3
1981,23.6,23.6,24,23.7,21.8,20.5,20.1,22.7,25.1,25.5,25.2,24.5
1982,23.7,24.2,23.7,23.7,22.4,21.2,20.9,22.5,24.8,24.7,23.4,24.8
1983,24.3,25,25.1,24.4,24,22,21.9,21.1,25.4,25.7,25,23.4
1984,22.7,23.4,24,23.4,22.9,20.9,20.9,22.2,25.4,25.9,23.7,23
1985,24,23.1,23.7,23,22.6,20.6,20.7,22.3,25,25.1,23.3,23.5
1986,23.3,23.5,23.5,23.6,22.9,20.2,20.5,22.9,24.4,24.9,23.8,23.2
1987,23.8,24.1,24.6,23.9,23.4,20.3,21.6,23.3,26,25.3,26.3,24.5
1988,23.8,24.1,23.9,24.5,22.6,21.9,21.5,23.2,25.3,25.6,23.8,23.5
1989,22.9,23.2,23.4,23.4,22.3,20.6,20.5,22.6,25.3,25.3,24.3,23.3
1990,23.7,23.7,24,24.1,22.2,21.6,21.1,22.4,24.5,26.1,26.1,24.1
1991,23.2,24.6,24,23.8,23.8,21.4,20.9,22.5,24.8,24.8,24.1,23.1
1992,24.1,24.9,25,24.7,23.5,21.5,21.2,22.3,27,25.3,23.4,23.6
1993,23,22.9,23.3,24,23.2,20.9,21,23,24.3,25.8,25.1,24
1994,23,23.7,24.4,24.4,23.6,21.2,20.4,24.1,25.3,25,25.7,23.8
1995,23.4,23.8,24.1,24.3,23.3,21.3,21.6,24.3,25.1,26.8,26.6,24.9
1996,23.9,24,23.6,23.2,22.7,20.9,21.9,23.6,25.8,26.3,25.6,25
1997,25,24.3,24.4,24.8,24,22.5,22.1,23.2,25.9,26.7,25.7,24.6
1998,24.2,23.8,24.4,23.3,24.9,21.4,22.7,24.2,24.5,26.1,26.2,24.5
1999,23.9,24.4,23.7,23.6,23.1,21.3,21.1,22.8,25,25.2,24.1,25
2000,24.3,23.4,23.6,24,23.5,21.6,20.8,23.1,25.4,25.2,23.4,23
2001,22.9,24,23.8,24,22.7,21.4,21.3,23.5,25.5,26.3,24.4,24
2002,23.1,23.4,24.1,24.3,23.2,21.1,22.8,23.4,25.1,26.5,24.4,24
2003,24.3,24.6,24.4,23.7,23,21.8,21.1,23.5,25.5,25.9,26.1,24.3
2004,24.4,24.2,24.4,23.7,22.5,20.7,21.1,23.3,25.7,26.2,24,24
2005,24,25.4,24.9,23.8,23.5,22.1,22.9,24,25.5,26.5,26.2,25.5
2006,23.1,23.4,23.8,23.7,22.9,20.8,21.2,23.6,24.5,26.5,24.4,23.5
2007,23.1,23.6,23.7,24,23,21,20.7,22.8,25.5,25.4,24.3,23.1
2008,23.9,22.9,23.8,23.6,23.3,20.6,20.9,22.8,25.1,25.8,24.6,23.3
2009,23.6,24.7,23.9,23.2,22.7,21.6,20.7,23.1,25.8,26.3,24.4,24.6
