1901,21.8,21.6,23,23.2,24.2,25.5,25.9,25.9,25.9,24.8,22.9,22.2
1902,21.2,21.4,22.6,23.3,24.2,25.3,25.9,25.6,25.6,25.1,23.9,22.9
1903,22.1,22.6,23.1,22.9,23.6,25.2,25.8,25.8,25,24.3,23.5,22.2
1904,22.2,22.4,23.2,23.3,24.2,24.8,25.4,25.2,24.9,24.5,23.1,22.6
1905,21.3,22.4,23.3,23.6,25.2,25.8,25.6,25.7,25.5,25.1,24.4,23.3
1906,22.7,22.4,22.8,23.1,24.1,25,25.7,25.4,25.5,24.8,23.6,21.8
1907,22,21.7,23,23.3,24.7,25.4,25.7,25.5,25.3,24.9,24.2,23
1908,21.9,21.6,23.1,24.4,24.7,25.3,25.8,25.7,25.4,24.3,23.9,23
1909,22,21.9,23,23.4,24.3,25.3,25.7,25.2,25.3,24.6,23.2,21.8
1910,21.1,21.5,22.2,23,23.9,25.1,25.5,25.4,25.3,24.6,23.1,21.5
1911,22.2,22,22.5,23.2,23.6,25.2,25.5,25.5,25.2,25.2,24.7,23.2
1912,22.8,21.7,23.9,24.1,24.8,25.3,25.8,25.6,25.6,25,23.8,23.5
1913,22.8,22.7,23.8,23,24,24.5,25.4,25.2,25.2,24.8,23.2,22.3
1914,21.4,22.1,21.8,23.6,24.1,25.1,25.6,25.7,25.3,24.8,23.5,23.4
1915,22.3,21.6,21.6,22.4,25.1,26,26.4,26.4,26.3,25.7,24.4,22.4
1916,22.5,21.9,21.8,23.3,24.4,25.9,25.6,25.2,25.5,24.5,23.5,22.1
1917,22.1,21.3,23.2,23.2,24.1,24.9,25.7,25.7,25.6,25,22.5,21.7
1918,20.8,22.1,23,23.4,23.4,24.8,25.5,25.8,25,25.2,23.8,23
1919,21.8,22,23.1,23,24.5,25.3,25.5,25.9,25.4,25.1,23.4,22.2
1920,21.5,21.1,22.6,23.9,24.9,25.8,25.3,25.6,25.3,24.4,23.9,23
1921,20.4,21.6,22.4,24,24.6,25.8,25.6,25.4,25.7,24.2,23.3,22.3
1922,20.2,20.4,21.9,22.9,23.3,25.2,25,24.8,25.6,24.7,23.5,22.6
1923,20.8,20.2,22.2,23,23.8,25,25.2,25,25.9,24.9,23.9,23.1
1924,22.5,21.7,22.6,25.2,25.6,25.7,26.3,26.7,25.7,25.3,23.8,23.5
1925,22.3,22.7,23.8,24.2,25.2,25.5,25.5,25.8,26.2,25.1,24.2,23.2
1926,21.2,22.5,23.6,25.5,25.2,25.6,26,26.4,26.2,26.2,25.1,23.6
1927,21,22.7,23.3,24.7,24.2,26,25.6,25.4,24.6,24.3,23.3,22.5
1928,22.1,22.7,22.8,23.4,23.5,25.4,25.6,25.4,25.6,24.6,23.7,22.3
1929,22.6,22.9,24,24.1,25,25.3,25.7,25.6,25.3,24.1,24.2,23
1930,22.9,22.1,22.9,24.2,24.5,25,25.7,25.9,25.8,24.3,22.8,22.6
1931,21.4,21.3,22.2,23.3,24.4,25.3,26.2,26.1,25.7,25,23.8,23.3
1932,22.2,22.7,22.8,23.5,25.7,25.1,25.5,25.7,25.6,23.5,22.6,22.4
1933,22.1,22.6,23.8,24.4,25.7,25.8,25.7,26.6,26,25.9,23.7,23.7
1934,22.8,21.7,23.1,23.9,25,25.5,26.2,26.4,26.2,25.8,23.3,22.3
1935,22.5,21.7,23.5,24.7,25.4,25.7,25.9,25.9,25.9,25.2,24,21.9
1936,23,22.3,22.7,24.1,24.9,25.3,26.3,26.3,25.9,26.1,24.9,23.2
1937,23.7,22.5,24,24.4,24.6,25.6,25.8,25.8,25.8,25.2,24,23.1
1938,23.6,23.7,22.5,23,24.5,25.3,25.1,25.4,25.4,24.9,23.8,22.2
1939,22.7,22.5,22.4,22.6,24,25.1,25.7,26.2,25.6,25.5,23.9,23
1940,21.4,22,23,23.9,24.5,25.9,26.6,26.4,25.6,24.5,23.8,22.9
1941,22.7,20.5,22.5,23.5,24.8,26.1,25.9,26.5,25.7,25.4,24.3,23.8
1942,23,20.5,23.7,23.9,24.8,25.7,26.2,26.4,25.9,25.3,24.4,23.2
1943,22.5,21.7,23,23.5,24.3,25,25.2,25.5,25.9,24.6,23.9,22.5
1944,22.1,22,23.2,23.8,24.1,25.3,25.5,25.4,25.1,24.6,22.8,22.1
1945,21.2,21.9,22.6,23.4,24,25.8,25.2,25.1,25.2,24.1,22.9,21.7
1946,22,21.7,22.6,22.3,24.3,24.9,25.5,25.3,25.1,25,23.3,22.4
1947,22.5,21.4,22.8,23.7,24.3,25,25.6,25.8,25.6,25.4,24.7,22.6
1948,22.7,22.6,23.6,23.7,25.2,25.7,26.3,26.7,25.7,25,24.2,23.1
1949,21.3,21.5,22.1,23.4,23.8,24.5,25.1,25.3,25.2,24,23.3,21.7
1950,21.4,20.8,22,22.3,23.5,24.8,24.9,25.2,24.7,24.2,22.8,21.6
1951,20.5,20.5,21.2,23.2,24.2,25.3,25.3,25.9,25.9,25.2,24.4,22.9
1952,21.5,21.6,23,23.5,25,25.8,25.7,25.9,25.6,25.5,23.8,21.5
1953,21.7,22.2,22.7,23.9,24.4,25.2,25.4,25.7,25.3,24.7,24.6,23.2
1954,23.4,22.2,23.7,24.2,25,26,26.5,26.6,25.7,24.1,24,22.3
1955,21.6,22.1,22.8,23.3,24.7,25.1,25.9,26.2,25.8,24.9,24.2,22.8
1956,20.3,22,23.2,24.5,25.1,25.6,26.2,26,26.1,25,23.8,23.2
1957,22.9,22.8,23.5,24.3,25.2,25.8,26.4,26.8,26.3,25.1,24.6,23
1958,21.8,20.9,23.7,24.9,25.9,26.3,26.8,26.8,26.5,25.2,24.8,23.6
1959,22.9,23.5,24.1,24.9,25.3,26.2,26.4,26.4,26.5,26,24.6,23
1960,22.8,23.2,23.5,24.9,26,25.6,26.1,26.8,26,25.5,24.4,22.1
1961,22.8,23.2,23.9,24.7,25.4,26.2,26.3,26.7,25.9,24.6,23.4,22.7
1962,22.8,22.4,22.9,25,24.8,26.1,27,26.4,26.3,25.8,23.7,22.8
1963,22.1,22.7,24.1,24.1,24.6,25.4,26.4,26.3,26.4,24.8,24,23.3
1964,22.6,23,24.3,24.6,25.2,26.2,26.4,26.4,26,25.2,24.1,22.8
1965,21.3,22.2,23.4,23.6,24.5,25.6,26,26.3,26.1,25.5,24.2,22.7
1966,22.5,22.6,23.7,24.8,24.9,26,26.2,26.5,26.5,25.4,22.8,22.2
1967,22.7,22.4,22,22.1,23.7,24.6,25.4,25.4,25.3,24.7,23.6,22
1968,21.6,20.8,21.6,21.8,24.3,25.2,25.4,25.7,25,24.8,23.9,22.2
1969,22,21.2,23,24.4,25,25.3,25.6,25.6,25.2,24.7,23.1,21.6
1970,21.4,21.5,22.4,23.7,24.1,25.2,25.4,25.4,24.6,24.6,23.3,22.8
1971,21.8,22.2,22.7,22.6,24.1,25.3,25.6,25.4,25.2,24.7,23.9,23.4
1972,22.7,22.2,22.3,23.3,24.2,25.2,25.4,25.4,25.1,24.9,24.5,23.4
1973,22.6,21.5,23.5,23.8,25.1,25.3,25.9,25.5,25,24.6,24.2,21.8
1974,21.8,21.5,23,23,23.9,25,25.4,25,24.8,24.9,23.7,22.4
1975,22.4,22.4,23.8,24.4,24.7,24.9,26,26.3,25.5,24.4,23.2,20.8
1976,21.1,21.4,22.4,22.6,24.2,24.5,24.9,25.5,25.6,24.8,24.3,23
1977,21.9,22.5,23.4,23.4,23.5,25.6,25.8,25.9,25.5,25.1,24.2,22.9
1978,22,21,22.6,23,24.8,25.3,25.6,25.9,25,24.8,23.6,22.8
1979,22.4,22.1,22.3,23.2,24.7,25.7,26.4,26.1,25.1,25.2,24.5,23.3
1980,22.5,21.8,23.1,23.9,24.9,26.2,26.5,26.1,25.8,25.5,24.5,22.5
1981,21.5,22.8,23,24.4,25.3,25.9,25.9,25.8,25.5,25.2,24.2,23.5
1982,23.1,22.7,23.6,24.2,24.1,25.9,25.8,26,26.4,25,24.3,23.3
1983,23.4,23.1,23.8,24.2,25.8,26.2,27.1,26.5,26.6,25.6,24.8,24.3
1984,23,23.5,24.3,25.2,25.5,25.7,26.1,26,25.6,25.2,24.1,23.3
1985,22.2,22.7,23.5,23.7,25.4,26.1,26.5,26.6,26.1,25.6,24.7,23.5
1986,22.6,22.4,23.7,24.2,24.7,25.6,26.6,26.7,26.2,25.9,25.2,23.9
1987,22.6,23,23.9,24.7,25.8,26.8,27.7,27.8,27.4,26.5,25.8,24.5
1988,23.7,23.5,24.6,25,25.9,26.9,27,26.5,26.4,26,25.1,23.8
1989,23.4,22.8,23.2,24.7,25.2,26.1,26.6,26.7,26.4,26.1,25.4,23.6
1990,24,23.8,24.1,24.6,25.9,26.6,26.9,27,26.9,25.8,25.5,24.4
1991,23.8,23.4,24.2,24.9,25.7,26.8,27.3,26.9,26,26,25.2,23.9
1992,23.5,23.5,24.5,25.1,24.8,26.9,26.6,27.1,26.1,25.5,25,24
1993,23.5,22.6,23,24.1,24.8,26.2,26.2,26.4,26.1,25.9,25.4,23.7
1994,23.8,23.6,24.2,24.8,25.8,26.9,26.9,26.8,26.7,26.1,25.6,24.2
1995,23.1,23.4,23.6,25,26.2,26.7,26.9,26.1,26.2,25.2,24.6,23
1996,22.1,21.7,22.7,23.8,25.4,26.4,26.4,25.7,25.3,24.5,23.9,22.9
1997,22.7,23.1,23.6,23.6,26.1,25.9,26.3,26.6,26,24.9,24.7,24.8
1998,23.3,22.1,22.9,23.6,25.3,26.6,27.1,27,25.8,26,25.6,24.5
1999,23.8,21.7,23,24.2,25.2,26.2,25.9,26.3,25.5,25.2,24.5,23.1
2000,22.5,22.7,23.4,23.9,24.9,26,26.8,26.8,26.6,25.7,24.8,23.4
2001,22.4,23.5,24.3,24.4,24.9,26.2,26.6,27.3,26.9,26,24.3,24.2
2002,23.8,23.3,24.4,24.4,25.1,26.2,26.8,27,26.2,26.1,25.8,24.3
2003,23.1,23.9,25.1,25,26.2,26.7,26.8,26.7,26.9,26.3,25.2,23.5
2004,23.1,23.6,24.7,24.3,25.1,27,26.5,27,26.4,25.9,24.8,23.4
2005,22.5,20.7,24.3,24.1,25.6,26.3,27,26.9,27.3,24.9,25.2,23
2006,22.6,20.7,23.8,24.6,26.2,27.3,27.4,27.5,26.8,26.1,25,24.2
2007,23.2,23,23.5,23.7,24.5,25.9,26,25.9,25.4,24.6,23.5,22.7
2008,21.8,21.9,22.9,23.5,24.4,25.2,25.8,25.6,25.4,24.9,23.3,22.7
2009,22.1,21.6,21.9,23.5,24,25,26.4,26.2,26.4,26,24.6,24.5
