1901,21.9,22.5,23.2,25.1,24.4,23.3,22.7,23.3,23.8,23.3,22.8,21.2
1902,20.7,21.6,23.9,25.1,25.1,24.1,22.8,23.7,22.8,22.8,22.8,22.1
1903,21.6,22.5,24.2,25.2,24.6,23.6,22.7,22.9,22.8,22.9,22,20.8
1904,20.4,21.3,23.3,24.8,24.1,22.1,22,22.9,23,23.2,22.4,21.1
1905,21,22.3,23.8,24.4,24.6,23.4,23.1,23.3,23.2,23.1,23,21.5
1906,21.7,22.9,23.7,26.1,25.4,23.6,22.6,22.8,22.6,23,22.8,21.4
1907,20.7,21.9,23.7,24,24.6,23.1,22.7,22.3,23.2,23.3,22.7,21.4
1908,21.1,21.5,23.1,25.3,24.4,23.4,22.2,22.7,23,23.2,22.5,21.4
1909,20.9,22,23.6,24.8,24.1,23.5,22.8,22.9,22.5,23.3,23,22
1910,21.2,22,23.8,25.1,25,23.4,22.8,22.6,22.2,22.8,21.8,20.5
1911,21.1,21.1,23.8,25,25,23.4,22.6,23.2,23.7,23.1,23.1,21.7
1912,20.4,22.9,24.3,25.4,25.5,23.3,22.7,23.1,23.3,22.9,22.5,21
1913,20.4,22.3,23.9,25.3,25.2,23.5,22.5,23.1,23.7,22.9,22.7,22
1914,20.8,22.3,24.2,25.3,25.2,24,22.8,22.9,23.7,23.2,23.1,22
1915,21.7,22.6,23.8,25.2,25.2,24.1,22.9,23.8,23.4,23.6,23.1,21.4
1916,20.7,22.4,24.3,25.7,24.9,22.7,22.9,22.9,22.6,22.9,22.5,20.7
1917,20.4,21.5,23,25,24.3,22.6,23,22.9,22.6,22.3,22.6,21.2
1918,20.3,20.8,22.8,24.8,23.4,23.1,23.4,23.1,23.2,23.8,23.7,21.7
1919,21.9,22.8,23.9,25.9,24.6,23,22.6,22.9,23.1,23.3,22.7,21.8
1920,20.7,22.4,24.2,24.7,25.1,23.1,22.6,22.9,23,23.2,22.6,21.3
1921,21.9,21.8,24.2,24.5,25.3,23.6,22.8,22.9,22.7,23,22.4,21.1
1922,21.1,21.7,24.1,25.1,24.3,23.1,22.1,23,22.9,22.8,22.4,20.6
1923,20.7,21.6,23.2,25.1,24.7,23.5,21.9,22.5,22.7,23.3,23.4,22.1
1924,21.3,22.6,23.9,25.6,25.3,22.9,22.2,22.9,23.1,23.2,22.8,21.5
1925,21.4,22,23.5,25.5,23.7,23.3,22.6,22.9,23.5,23.2,22.8,21.7
1926,21.6,22.3,24.6,25.4,25.4,23.9,23.4,23.4,23.2,23.4,23.1,22.3
1927,22,22.9,24.4,25.7,24.8,23.1,22.2,23.2,23.2,23.2,22.9,22.4
1928,21.9,22.6,24,25.5,25.9,23.8,22.5,22.8,23.6,23.2,23.1,21.8
1929,21.5,22.3,23.8,24.4,24.7,23.1,22.9,23.6,23.6,23.1,23,22
1930,21.4,22.2,23.8,25.3,24.2,23.6,23.2,23.4,23.4,23.2,23.1,22.1
1931,21.3,22.5,24.4,25.6,25.9,24,23.1,23.2,22.8,23.6,22.7,21.6
1932,20.3,21.7,23.2,25.2,24.2,23.6,22.6,23.4,23,23,22.5,21.3
1933,21.2,22.2,23.4,24.8,23.6,22.7,22.3,22.6,22.4,22.4,22.8,21.4
1934,20.9,21.4,23.2,24.9,25,23.4,22.9,23.3,23.7,23.4,22,21.1
1935,21.3,22.1,24,24.8,25.8,23.8,22.5,22.7,22.5,23.1,22.1,21.6
1936,21.5,22.6,23.6,25.4,24.7,22.6,22.5,22.9,23.3,23.2,22.7,22.1
1937,21.3,22.9,24.3,24.2,25.1,23.4,22.3,23.7,23.7,23,22.5,21.4
1938,21.5,22.8,24.3,25,25.1,23.2,22.4,22.8,22.8,22.5,22.3,21.8
1939,20.6,21.7,23.6,24.3,25.1,23.3,22.3,22.9,23.2,23.3,22.3,21.4
1940,19.7,21.9,23.9,24.6,24.3,23.4,22.7,22.8,23.5,23.4,22.4,21.6
1941,21.5,22.3,24.5,25.7,25.3,23.5,23.4,23.6,23,23.6,23.2,21.8
1942,21,22.3,24,25.3,25.4,23.6,22.6,22.9,23,23.2,22.3,21.8
1943,21.2,22.1,23.8,24.2,23.9,22.5,22,22.8,22.3,22.1,22.4,21.2
1944,21.2,21.9,22.6,24.6,25,23.4,22.5,23.7,23.1,23.3,22.8,21.3
1945,21.2,22.7,23.9,24.7,25.4,23.7,22.8,23.1,23.2,23.3,22.5,21.6
1946,20.2,21.4,23.9,24.9,25,23.4,22.8,23,22.9,23.3,22.7,21.3
1947,21.4,21.7,24,24.2,25.4,23.7,22.7,22.9,22.4,22.8,22.6,21.7
1948,21.6,22.5,23.8,25.2,24.6,23.5,22.7,23.1,23.1,23.2,23.2,21.7
1949,20.7,21.8,24,25.2,24.6,23.2,22.4,23,22.4,23.4,22.3,21
1950,20.7,22.2,23.8,25,25.5,23.2,22.1,22.9,22.3,22.5,22.2,21.2
1951,20.9,21.4,23.3,24.4,24.6,22.5,22.2,23.6,23.6,23.4,23.1,21.2
1952,21.2,22.3,23.7,25.1,24.5,23.3,22.9,23.1,23.2,22.7,22.5,21.2
1953,21,21.1,24.2,24.2,25.6,24.2,22.1,23.3,23,23.1,22.2,21.2
1954,21.3,22.1,23.3,25.2,24.6,23.1,22.1,22.6,22.6,22.5,21.9,21.3
1955,21.4,22.4,23.1,24.8,23.7,23.4,22.6,22.9,23.5,23.1,22.2,20.5
1956,20.6,21.6,23.6,25.2,24,23.2,22.3,23,23.1,22.5,22.4,20.9
1957,20.5,22.1,22.9,24.5,25.3,23.6,23,23.5,23.3,23.8,23.1,22.6
1958,21.4,23.2,24.4,25.1,24.7,23.8,23.3,23.5,23,23.5,23.2,21.3
1959,21.5,22.3,23.1,25,24.9,23.6,22.7,23,23.3,23.7,22.7,21.5
1960,21.5,22.2,23.8,24.8,23.8,23.5,23.3,23.2,22.9,23,22,21.1
1961,21.7,22.9,24.1,25.1,24.4,23.2,22.4,23.2,22.8,22.9,22.6,21.6
1962,21.3,22.2,23.3,24.3,24.2,23.6,23.1,23.3,23.1,23.4,22.2,21.5
1963,21.2,21.1,23.4,24.2,24.6,23.7,23.2,23.2,23.2,23.2,23.1,21.6
1964,20.5,21.8,23.9,25.3,25.3,23.4,22.9,22.8,22.3,22.8,21.8,20.5
1965,20.3,22.2,23.3,24.4,24.5,23.2,22.5,23,23.3,23.8,23.5,22
1966,22.2,22.9,24.3,25,24.6,23.3,23.1,23.7,23.3,22.9,22.8,21.7
1967,20.5,20.7,23,24.6,24.9,23.5,21.9,22.4,22.7,22.5,21,22
1968,21,21.7,23.3,24.1,24.9,23.4,22.4,22.9,22.9,22.8,22.9,21.4
1969,20.8,22.4,24,25.1,24.5,23.7,22.7,23.4,22.6,23,22.5,22
1970,21.6,22.2,23.6,25.3,24.4,23.3,22.4,22.7,22.6,22.7,22.8,20
1971,21.5,21.3,22.6,23.9,23.9,23.1,22.2,22.3,22.8,22.5,21.2,20.6
1972,19.5,21.5,22,24.7,24.5,23.9,22.8,22.9,23.8,23.6,22.8,22.5
1973,20.2,22.7,23.5,25.4,24.8,23.8,23.5,22.5,23.1,23.3,22.3,21.2
1974,20.2,20.8,23.3,24.8,23.9,23.1,22.3,22.4,22.5,22.3,22,20.5
1975,20.3,22.4,23.4,24.6,23.9,22.8,22,22.8,22.5,22.6,21.9,20.2
1976,20,21.1,23.1,24.1,24.6,23.8,22.8,22.9,23.5,23.6,23.6,21.8
1977,20.4,22.4,23.9,25.4,24,23.5,22.7,23.3,23.5,23.6,23.5,21.5
1978,21.2,22.9,24,25.6,24.4,23,22.6,23.1,23.1,23.7,23,23.1
1979,22.2,23.6,24.5,25.9,25.6,24,22.6,23.5,23.7,23.5,23.9,22.8
1980,20.8,22.4,24.2,25.8,25.6,23.6,22.8,23.1,23.7,23.7,23.3,22.6
1981,22.2,22.4,24.2,25.8,25.4,23.6,23.6,23.2,23.5,24.1,23,21.9
1982,21,22.7,24.7,25.9,25.6,23.7,22.9,23.3,23.4,24,24,22.1
1983,21.3,23.8,25.2,25.9,26,24.4,23.7,23.6,23,23.7,22.3,22.2
1984,23.1,21.8,24.2,25.1,25.4,23.3,22.5,22.9,23.2,22.5,22.7,21.5
1985,22.5,22.9,24.4,25.9,25.2,22.9,22.7,23.1,23.5,22.9,22.6,22.5
1986,22,22.6,24.9,25.8,25.2,23.6,23.1,23.2,23.3,23.6,22.6,23.2
1987,21.7,22,23.8,25.8,25.7,23.7,24.3,23.3,24.2,23.9,23.6,22.9
1988,21.6,23.3,25.4,25.6,25.2,23.7,23.1,23.6,23.1,23.8,23.4,21.3
1989,21.1,21.2,23.8,25.2,24.7,23,22.8,22.6,23,23.5,23.3,22
1990,21.5,22.9,25.1,26,24.9,23.5,22.5,23.3,23.7,23.7,23,22.4
1991,22.5,23,24.6,25.5,25.6,23.8,23,22.8,23.7,23.5,22.8,21.6
1992,20.5,22.1,23,25.2,24.6,23.5,22.4,22.7,23.1,22.9,23.8,21.2
1993,20.8,21.8,23.9,25.2,25.3,23.5,22.1,23,22.7,23.2,23.2,22.2
1994,21.4,22.7,23.6,25.2,24.7,23.5,22.7,23.1,23.1,23,22.8,21.8
1995,21.6,22.9,23.8,25.2,24.6,23.9,23.1,23.5,23.3,23.2,23.6,22
1996,21.2,21.8,24.6,24.9,25.3,23.7,23.6,23.4,23.6,22.9,23.1,21.4
1997,21.6,22.4,23.5,25.2,25.3,24.5,23.6,23.6,23.6,23.4,24.2,23.7
1998,22.9,23.1,25.3,26.4,25.4,24.3,23.5,23.9,23.3,23.2,23.2,22.4
1999,20.9,22.4,23.8,24.9,23.9,23.3,23.4,23.6,23.5,23.7,23,21.1
2000,22,23.3,23.8,25,24.9,23.6,23.1,23.5,23.7,23.3,23,21.9
2001,22.3,23.7,25,25.5,25.1,24,23.4,23.4,23.9,23.6,23.5,22.2
2002,22.4,22.4,24.7,25.8,25.3,24.2,24,23.9,24.7,24.1,23.5,22.5
2003,22.2,23.7,24.7,25.7,26.3,24.8,23.7,24.2,24.3,23.9,23.4,22.3
2004,22.2,22.9,25,25.8,23.6,23.6,23.2,23.8,23.6,23.7,23.2,22.6
2005,22.8,23.6,25.1,25,25.7,24.4,23.5,24.2,23.7,23.8,22.8,22.3
2006,22,22.4,24.4,25.9,24.9,24.1,23.5,24.1,24.1,23.9,23.5,22.4
2007,22.3,22.8,25.1,25.7,25.7,24.2,23.7,23.8,23.6,23.8,23.4,22.3
2008,22.4,23,23,24.9,25.5,23.9,23.3,23.8,23.7,23.7,23.6,22.5
2009,21.7,23.3,24.9,25.9,25.4,24.1,23.2,24.1,23.9,24.2,23.8,23
