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