1901,21.3,21.9,23.3,24.4,24.3,24.6,24.4,24.3,24.2,23.9,23.3,21.9
1902,20.8,22,23.4,24.3,24.6,25.1,24.7,24.5,24.1,24.1,23.5,22.7
1903,21.5,21.6,24,25,24.8,24.2,24.4,24.1,23.8,23.7,22.5,20.1
1904,19.7,21,23,23.8,24.3,24.5,24.4,24.5,24.4,24.2,22.9,21.2
1905,22,22.5,23.4,24.8,24.5,24.6,24.6,24.8,24.5,24.3,23.7,23.8
1906,22.3,22.9,23.6,25.3,25.2,25,24.8,24.8,24.7,23.9,22.8,22.1
1907,21.1,22,22.8,24.2,24.1,24.4,24.5,24.2,24.4,24.1,23.5,20.8
1908,21.1,21.7,22.9,24.3,24.3,24.5,24.5,24.3,24.3,24.1,22.6,21.8
1909,21.2,22,23.1,24.3,24.1,24.6,24.3,24.5,24.4,24.3,22.8,21.3
1910,21.6,21.4,22.7,24.1,24.4,24.4,24.6,24.5,23.9,23.9,23.2,20.9
1911,20.9,21.6,23.1,24.6,24.6,24.7,24.7,24.8,24.7,24.3,24.4,23
1912,21.8,22.3,24.4,24.8,25.6,25.3,24.4,24.1,24.3,23.9,22.6,21.9
1913,20.9,22.2,23.7,24.8,23.9,24.4,24,24.2,24.3,24,22.9,22
1914,20.5,22.3,23.5,25,25.6,24.5,24.4,24.4,24.2,23.8,23.8,22.7
1915,21.4,22.8,23.7,24.9,24.8,25.1,24.5,24.8,24.1,23.9,22.9,20.7
1916,20.2,21.8,23.7,24.6,24.3,24.2,24.3,24.3,24,23.6,22.4,21.1
1917,21,21.5,22.5,24.8,24.4,24.1,24.1,23.9,23.8,23.3,22.7,21.2
1918,19.6,20.1,22.5,23.6,23.9,24.4,24.9,24.4,24.5,24.1,23.9,22.6
1919,21.7,22.4,24.2,24.9,24.9,24.5,24.3,24.3,24.2,23.9,23.1,22.2
1920,20.1,22,23.6,24.5,24.9,24.8,24.4,24.6,24.4,23.7,23.8,22
1921,20.7,21.4,23.4,24.1,24,24.4,23.9,24.2,23.8,23.7,22.5,21.8
1922,21.7,22.2,22.5,24.3,24.5,24.5,23.8,24.1,24.6,23.7,22.9,21.6
1923,20.7,21.1,22.7,23.8,23.7,24.1,23.6,23.6,23.8,23.6,23.4,22.2
1924,21.5,22,23.3,24.2,24.5,24.4,23.8,24.4,24.1,23.5,23.5,20.6
1925,21.3,21,22.9,23.6,24.5,24.4,24.3,24.4,24.2,23.5,23.2,20.8
1926,21.2,22.2,23.2,25.2,25.3,24.9,24.5,24.1,24.2,23.7,23.2,22.2
1927,21,21.9,23.8,23.9,23.9,24.3,24.2,24.2,24.2,23.5,23.4,22.1
1928,22.7,21.6,24,24.2,24.7,24.5,24.6,24.5,24.2,23.1,22.9,23
1929,22.2,22,22.6,24.1,25.4,24.7,24.4,24.3,24.2,23.9,22.9,22.9
1930,20.1,21.9,22.6,25,24.6,24.8,24.5,24.9,24.3,24.2,23.9,22.6
1931,22.3,22.8,24.2,25.6,25.2,25.2,24.7,24.9,24.3,23.1,23,22
1932,20.7,21.6,22.4,24.4,24.9,24.6,24.3,24.5,23.8,23.9,23.3,21.6
1933,20.3,22.6,22.8,24.8,24.9,25.2,24.4,24.8,24.4,23.7,22.5,22
1934,19.9,20.9,22.4,23.4,24.7,24.6,24.2,24.5,24.5,23.2,23.7,21.8
1935,21.9,22.6,24.2,24.7,24.2,24.8,24.7,24.5,24.1,24.3,24.1,21.9
1936,21,22.3,22.2,25,24.8,24.7,24.6,24.2,24.2,23.3,23.3,22.8
1937,21.8,22.2,24.7,24.9,24.3,24.6,24.3,24.3,23.9,23.7,23.4,22.2
1938,21.8,22,22.1,23.8,23.9,24.6,23.8,23.7,24,24,23.5,22.4
1939,21.5,21.5,22.8,24.1,24.3,24.5,25.1,24.7,24.3,24.2,24.1,20.3
1940,19.1,21.5,23.4,24.4,24.4,24.6,24.5,24.3,24.7,24.4,23.9,22.7
1941,23.1,22.8,23.5,25.3,25.2,24.7,24.8,25,24.7,24.5,24.2,22.6
1942,20.7,22.2,23.1,23.9,24.1,24.5,24.2,24,23.9,23.9,23.4,22
1943,20.1,21.2,22.9,23.5,24.2,24.1,24.1,24,24.1,23.9,23.1,21.4
1944,21.3,22.1,23.1,24.4,24.3,24.2,24.2,24.3,24.5,24.2,23.4,21.3
1945,21.2,22.3,23,24,24,24.2,24.6,24.3,24.1,23.6,23.6,22
1946,20.7,22.1,23.8,24.1,24.3,24.5,24.3,24.2,24.2,23.6,23.6,22.6
1947,22.7,21.8,23.6,23.4,24.2,24,24.3,24.3,24.2,23.8,22.6,21.5
1948,20.8,22.1,23.2,24.2,24.2,24.6,24.3,24.3,24.2,24.1,21.2,22.3
1949,20.5,21.4,23,24.1,24.2,24.6,24.6,24,24.2,23.8,22.8,21.8
1950,21.7,21.7,23.6,23.9,24.4,24.4,24.1,24.7,24.2,24.5,23.8,21
1951,21.5,21.8,23.3,24.7,24.8,24.7,24.1,24.8,24.7,24.5,24.3,22.4
1952,21.6,22.9,23.1,24.3,24.8,24.6,24.4,24.1,24,23.8,23.3,20.8
1953,21.5,22.3,23.1,24.5,24.2,24.5,23.9,24.2,24.1,24.1,23.3,22.3
1954,22.6,21.4,23.1,24.5,24.2,24.8,24.4,24.6,23.7,23.7,22.2,21.2
1955,20.2,21.7,22.9,23.4,24.4,24,24.2,23.9,23.9,24.1,22.9,20.7
1956,19.8,22.2,23.1,24.1,24.2,23.9,24.1,23.9,24.2,23.3,22.3,21.3
1957,20.1,20.9,22.6,23.6,24.2,24,24.1,24.1,24.4,23.9,23.1,22.4
1958,21.6,21.7,23.6,24.9,25,24.8,24.4,24,23.8,23.4,21.9,20.9
1959,20,22.4,21.8,23.7,24.3,24.8,24,24.2,23.6,23.5,23.2,23.1
1960,21.4,21.2,23.3,24.5,24.2,24.5,24.3,24.6,24,24,24,21.7
1961,19.9,21.7,23.4,23.8,24.2,24.3,24.2,24.3,23.8,23.4,23,22.6
1962,20.5,20.4,23.1,24,24.1,23.9,24.4,24,24.2,23.6,22.8,21.3
1963,17.8,20.2,21.9,23.8,24.2,23.7,23.8,24.2,24.2,23.8,24,21.4
1964,22.2,21.2,22.5,24.2,23.9,24.1,24.4,24.1,24,24.1,22.4,21.1
1965,19.2,22.1,22.3,23.5,23.9,24.1,23.9,23.9,23.5,23.9,23.6,23
1966,22.5,22.7,24,24.5,24.4,24.7,24.4,24.3,23.9,24.2,23.2,23.5
1967,21,21.4,23.4,24.2,24.6,25.3,24.3,24.8,24.1,23.3,23.6,20.7
1968,21,21.6,22.8,23.8,24.3,24.4,24.7,24.5,24.2,23.6,23.6,22.9
1969,22.9,22.1,24,24.8,24.6,24.6,24.4,24.2,24.8,23.9,22.5,20.6
1970,21.6,21.5,23.5,23.6,24.3,24.6,24,23.5,23.7,23.4,22.7,22.4
1971,19.3,20.7,22,23.8,24.7,24,24.5,24.1,24.8,23.9,22.4,22.3
1972,19.9,22.7,22.5,23.1,24.7,24.6,24.9,23.9,24.3,24.6,24.1,22.8
1973,21.4,22.6,24.1,25.4,24.5,24.9,24.6,24.5,24.2,23.9,23,21.2
1974,20.8,21.2,22.1,24.1,24,24.6,24.3,24.5,24.1,24.1,23.2,21.9
1975,22.1,22.4,23.5,24.4,24.2,24.5,24,24.2,24.3,24.1,23,21
1976,19.9,22.4,22.8,24.5,24.8,24.6,24.5,24.1,24.3,23.9,22.2,22.1
1977,21.7,21.4,22.4,24.1,24.1,24.1,24.5,24.1,24.3,23.7,23,22.4
1978,22.1,21.6,23.8,24,23.9,24.3,24.1,24,24.2,23.4,23.4,22.5
1979,21.9,22.5,23.9,24.3,24.3,24.8,24.8,24.5,24.1,23.6,23.9,22.7
1980,21.8,22.8,24.4,25.1,24.9,24.7,24.8,24.7,24.3,24.3,23.9,22.4
1981,20.8,22.5,23.1,23.8,24.4,24.2,24.3,25.4,25.1,24.3,23.8,21.5
1982,20.2,22.7,23.6,23.7,24.4,24.1,24.3,23.9,24,24.2,24.8,21.4
1983,21.6,23.2,24.3,26.1,25.8,24.5,25.1,25,24.9,24.6,22.4,22.1
1984,21.3,22.3,23.1,24.9,24.2,24,23.9,24.3,23.4,23.3,23.3,22.5
1985,21.3,23,23,24,23.7,24.1,23.3,24.1,23.9,23.6,24,21.8
1986,20.5,22,23,23.8,24.4,24.5,24.1,24.2,23.8,23.5,23.1,21.6
1987,21.2,21.6,23.3,24.3,24.1,24.5,24.6,24.6,24.1,24.7,24.2,20.4
1988,22.1,22.7,23.9,24.1,24.2,24.1,24.2,24.1,24.3,23.6,22.7,21.1
1989,22.7,21.5,22.9,24.7,24.4,23.9,24.6,24.3,24.3,24,22.7,21.2
1990,22,22.6,22.6,24.3,24.2,25,24.3,24.7,24.3,23.8,23.5,22.3
1991,22.8,22.9,24.4,25.2,24.9,25,24.8,24.4,24.9,23.8,23.1,22.8
1992,21.1,22.6,24,25.8,25.2,25,24.1,24.6,24.4,23.4,22.6,22.8
1993,21.6,21.8,23.3,24.3,24.5,24.7,24.4,24.3,24.4,24.1,23.7,22.2
1994,22.3,23.5,23.2,24.7,25,24.1,24.6,24.4,24.7,23.6,23.6,23.8
1995,21.8,21.6,23.3,25.3,24.7,24.6,24.3,24.9,24.9,24,23.7,21.5
1996,21.9,21.1,22.7,24.2,24,24.3,24.4,24.2,24.4,23.9,23.5,21.7
1997,20.7,22.1,22.7,23.5,24.4,24.8,24.5,24.4,24.5,24.7,24.1,23.3
1998,23.8,23.8,24.6,25.2,25.3,24.5,24.8,24.1,24.8,24.6,24.2,23
1999,22.4,22.3,23.3,24.3,24,23.8,24.5,24.5,24.5,24.2,23.2,20.8
2000,22.5,22,23.8,24.2,24.3,23.8,24.6,25.2,24.5,24.6,23.2,23.8
2001,23.4,22.6,23.1,25.5,24.6,23.7,24.8,24.8,24.8,24.6,22.4,21.8
2002,21.7,22,23.5,24.2,23.7,24.4,24.7,24.1,24,23.9,24.1,23.8
2003,21.5,22.2,22.9,24.5,24.7,24,24.2,24.6,24.2,24,23.8,21.6
2004,22.4,22.3,24,24.6,25.5,24.6,25.1,25.2,24.5,24.1,24.4,21.9
2005,22.3,24.3,23.5,25.1,24.6,25.2,24.6,24.7,25.3,22.7,24.1,22.8
2006,22.5,23.1,23.5,24.5,24.2,24.5,25,24.6,24.7,24.5,24,22.9
2007,22.9,23.1,24.3,24.4,24.7,23.3,24.8,24.2,24.8,24,23,23.6
2008,22.7,21.4,23.1,24.7,24.1,24.4,24.6,24,24.9,24.7,23.4,22.4
2009,21.1,23,23.4,24.7,24.6,25,24.6,25,24.6,24.5,23.5,23.1
