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