1901,21.6,24.1,26.2,30.7,29.3,28.3,28,27.7,27.3,27.9,25.6,22.6
1902,21.7,23.9,26.7,29.8,28.9,27.8,27.3,27.2,27.3,27,24.7,22.3
1903,21.1,22.9,26.1,30.6,29.6,27.8,27.8,26.8,27.3,27.8,25.1,21.3
1904,21,22.5,26.4,29.1,29,27.6,27.4,27.4,28,27.6,24.9,21.8
1905,20.6,22.2,25.6,28.9,29.4,27.9,27.8,27.3,28,27.7,25.6,23.3
1906,22.7,23.4,25.7,30.2,30.2,28,28.2,27.4,28.5,27.5,25.2,22.8
1907,22.4,23.1,25.6,29.5,28.7,27.8,27.2,27.4,27.7,27.6,25.4,22
1908,21.8,23.2,26.5,30.7,28.9,27.9,27.4,27.4,27.8,27.3,24.7,22.5
1909,22,23.6,26.7,29.8,28.8,27.6,28,27,28.1,28.1,25.6,21.9
1910,21.8,22.9,25.4,29.4,29.1,27.8,27.2,27.3,27.8,27.2,25.4,21.3
1911,21.7,22.8,25.6,29.3,28.8,27.8,27.4,27.4,27.8,27,25.1,22.4
1912,21.5,23.5,26.4,29.8,29.4,28.1,27.4,27.1,27.5,27.1,25,21.8
1913,22.1,25,25.7,29.7,28.8,27.8,27.6,27,27.4,27.1,24.7,21.5
1914,20.7,23.6,26.2,29.1,29,27.6,27.6,26.7,27.6,26.4,25.3,22.7
1915,22.3,23.8,26.4,29.7,28.6,27.9,27.5,27.4,27.5,28.2,25.9,21.5
1916,20.8,24,26.1,29.4,29.1,27.8,28,27.9,28.4,28,26.6,22.5
1917,21.2,23.3,25.3,29,28.5,27.6,27.9,27.8,28,28,26.8,22.4
1918,21.3,23.2,25.9,28.7,27.8,27.1,28.1,27.4,28.4,28,25.7,23.2
1919,22.9,24.1,26.7,29.8,30,28.2,27.9,28.5,27.7,28.2,26.5,23.2
1920,22,23.1,26.4,29.4,28.8,28.1,28.6,27.5,28.2,27.9,25.9,23.5
1921,23,23.8,26.4,30.1,29.3,27.9,28.1,28,28.3,27.1,25.9,22.9
1922,22.7,24,26.2,29.5,29.3,28.1,28.1,27.8,28.4,28,26.1,23
1923,22.9,22.3,25.8,29.6,28.8,28.3,27,27.3,27.5,27.1,25.7,23.1
1924,22.5,23.3,27,30.5,29.1,28,27.2,27.1,27.1,27.5,25.8,21.4
1925,21.1,23,26.3,29.5,28.5,27.9,28,27.6,28,27.1,25.7,23
1926,22.6,23.6,26.2,29.2,29.2,27.7,28.2,28,28.4,28.3,26,23.8
1927,21.7,23.4,25.1,29.1,28.3,28.2,28.5,27.9,27.9,27.8,25.8,23.3
1928,23.4,24.8,26.1,29.9,29,27.2,28.3,27.9,28.3,27.6,25.5,23.9
1929,23,23.5,26.2,29.8,29.3,27.5,28.6,27.8,28.4,28.1,25.8,23.1
1930,21.4,22.9,25.9,29.9,28.8,27.5,27,26.8,27.5,27.6,25.4,22.6
1931,23.1,23.3,26.3,31,29.4,28.3,27.9,27.8,27.5,26.9,24.3,22.9
1932,21.9,22.9,26.4,29.9,30.1,28.2,27.3,27.3,27.5,27.6,25.7,21.9
1933,22.5,23.2,26.6,29.4,28.7,27.5,27.1,26.5,27.2,27.3,24.6,22
1934,22.4,23,26.3,30.1,30.4,27.7,27,26.9,27.5,27.1,24.7,20.8
1935,21.9,23.5,26.4,29.6,30.6,27.9,27.3,26.5,27.6,27.8,25.6,23.4
1936,21.5,22.3,26.5,29.8,29.1,27.2,26.9,27.3,27,26.6,26,24.1
1937,21.8,24.1,25.6,30.4,28.5,27.9,27.3,27.4,27.6,27.3,26.3,22.9
1938,22.9,22.8,27,30.7,27.4,27.7,26.9,26.8,27.5,27.2,23.2,21.7
1939,22.8,22.9,26.1,30.6,28.6,27.5,26.4,26.3,26.7,27,25.2,20.6
1940,20.9,22.1,24.5,30.4,28.5,27.3,26.6,26.9,27.2,27.1,25.1,21.5
1941,21.8,22.7,26.6,30.7,29.8,27.6,27.5,27.4,27.7,27.2,25.1,23.7
1942,21.9,24,26.7,29.8,29.3,27.9,27.7,27,27.2,27.6,25.7,22.1
1943,21.6,22.2,25.7,28.5,29.1,27.3,27.3,26.7,27.4,27.4,25.3,22.5
1944,21.9,23,26.4,29.5,29.5,27.8,27.6,27.3,27.4,27.4,24.8,22
1945,21.8,22.7,26.4,29.5,28.9,27.8,27.7,27,27.7,26.9,25.7,22.5
1946,20.8,23.9,26.6,28.4,29,28.3,27.8,27.3,27.3,26.7,25.7,24.2
1947,22.8,23.5,27,30.1,30.3,28.1,27.4,27.9,27.8,27.3,25.3,23.2
1948,21.8,23.2,25.3,28.4,27.9,28.1,27.6,27.4,27.3,27.3,25.2,22.9
1949,21.7,23,25.4,27.9,27.9,28.1,27.3,27.1,27.3,27.7,25.2,21.5
1950,21.1,22.6,25.8,29.1,29.8,28,27.2,27.4,27.8,27.4,25.2,21.3
1951,20.4,22.3,25.7,29.5,29.6,27.4,27.7,27.7,28.1,27.7,26,23
1952,21.5,23.9,25.4,29.9,30,28.1,27.2,27.1,27,27.4,25.2,21.4
1953,21.6,23.2,26.6,30.7,28.7,28.4,27,26.8,27.4,27.7,25.3,23.1
1954,21.3,23.8,26.2,31,29.3,27.8,27.6,27.3,27.7,26.8,24.6,22.4
1955,21,22.9,26.1,30.2,29,27.7,26.8,27,27.4,27.5,25.5,20.9
1956,21.2,22.9,26.5,30.6,27.8,28,27.3,27.2,27.2,27.2,25.2,22.2
1957,21.8,22.3,26.1,30.8,31,28.5,27.3,27.7,27.9,27.3,25.4,22.8
1958,22.6,23.2,26.1,31,30.2,28.7,27.4,27.6,27.8,27.9,25.5,21.8
1959,21.9,23,25.6,30.7,30,28.8,27.3,26.9,26.8,26.9,25,23.6
1960,21.9,23.5,25.9,30.7,29.8,28.2,27.4,27.2,27.4,27.2,25.4,22.3
1961,21.7,22.7,26.6,30.1,29.6,28.6,26.8,27.2,26.7,26.9,24.9,21.6
1962,20.6,23,26,29.9,29.6,27.7,27.9,27.3,27.7,27.1,24.8,22.2
1963,20.6,23.7,26.2,28.5,28.6,27.4,27,27.3,27.6,26.9,25.2,22.1
1964,21.7,23.4,26.2,29.9,28.8,27.8,26.8,27.2,27.6,27.1,25.3,22.1
1965,21.2,23.1,25.3,29.6,29.7,27.3,27.1,26.8,27.2,26.9,25,23.5
1966,22.5,24.1,26.3,30.3,30.2,27.5,27.7,27,27.3,27,26.4,23.4
1967,22.2,23,25.9,29.6,29.1,28,27.4,27,26.4,26.9,24.4,22.4
1968,21.2,22.3,25.8,28.7,28.4,27,27.4,27.1,27.6,27.1,25.8,22.9
1969,21.1,23.1,26,30.1,29.5,27.9,27.5,26.7,27.4,27.3,25.1,22.2
1970,21.3,23.1,25.9,30,28.4,27.7,27,27.1,27.1,27,25,22.5
1971,21.3,22.7,25.9,29,28.7,27.1,26.4,26.4,27.5,26.8,23.6,21.8
1972,21,21.8,26.1,29.5,29.9,28,27.9,26.8,27.8,27.7,26.3,22.8
1973,22,24,26.5,30.2,28.1,28.1,27.7,27.3,27.4,27.6,25.1,21.4
1974,20.2,22.3,25.3,29.5,28.8,27.6,26.9,27.1,27.6,28,26.1,21.7
1975,21.6,23.5,28.3,28.5,27,27.6,26.9,27.4,27.3,27.7,24.9,21.3
1976,21.1,23.3,28.2,28.1,27.1,27.6,27.4,26.7,27.6,27.3,25.1,22
1977,21.6,22.1,27,29,28.4,27.2,26.7,26.6,27,26.7,24.8,22.4
1978,20.2,23,25.9,29.9,29.1,28.1,27.9,27.9,27.7,27.9,26.3,23.6
1979,22.9,24.4,26.6,30.6,30.8,28.7,28.1,26.8,27.9,27.9,26.3,23.4
1980,22.1,23.7,26.8,31.7,30,27.7,27.6,26.8,28,26.9,25.8,22.9
1981,22.1,23.7,26.5,29.5,29.4,27.9,26.8,27.4,27.5,27.7,26.2,22
1982,21.5,23.4,26.3,30.2,30.5,27.8,27.7,27,27.3,27.9,25.6,21.5
1983,21.3,24,26.6,30.5,30.5,26.3,28.2,27.7,27.9,27.5,25.1,21.7
1984,22.1,24.5,26.8,30.7,29.2,27.5,27.1,27.2,27.6,27.3,25.6,23.1
1985,22.7,23.9,27.1,30.9,29.1,27.3,26.8,27.3,27.6,27.8,24.9,23
1986,21.9,24.6,26.3,30.7,29.4,27.8,27.3,27.9,27.3,27.5,25.7,23.3
1987,22.7,23.9,26.1,30.2,31,27.9,28.4,27.8,28.4,28.1,27.1,22.3
1988,22.4,24.6,27.3,30,29.8,27.2,27.8,27.7,28.1,27.7,25.6,23.1
1989,22.1,23.3,26.4,29,28.8,27.6,27.4,27.6,27.6,26.8,25,21.6
1990,22.1,24,25.4,29.9,29.1,29.2,27.8,27.9,27.8,27.4,26.3,23.1
1991,21.9,24.7,27.9,30.1,30.1,27.1,27.7,27.4,27.8,27.6,24.8,22.2
1992,20.8,22.3,26.7,29.9,29.1,28.8,27.2,27.6,27.6,26.6,24.9,21
1993,21.5,23.1,26,29.6,29.2,27.8,28.1,27.4,27.6,27.6,25.1,22.7
1994,22.6,24,26.1,30.1,29.2,28.1,26.7,27,27.8,27.1,24.7,22.5
1995,22,22.8,26.9,31,30.3,28.4,27.6,27.3,27.7,27.8,25.6,22
1996,21.7,23.2,26.7,29.3,28.7,27.6,27.4,27,27.6,27,25.7,23.1
1997,21.1,22.7,26.5,28.2,29.8,28.1,27.6,27.8,27.3,27.3,26.1,23.1
1998,21.4,23.5,26.2,30.3,30.3,29.2,27.9,28,28.7,28.8,26.8,24
1999,22.7,25.9,27.1,30.8,27.7,28,27.2,27.1,26.8,27.4,25.4,22.1
2000,22.4,23.7,25.9,30.4,28.2,27.9,26.9,27.6,26.9,27.7,25.1,22.6
2001,22.7,24.7,27,31.4,28.5,27.3,26.7,27.3,27.4,27.4,24.9,23.3
2002,21.9,23.9,27,30.4,28.1,28.1,27.1,26.5,26.8,27.1,25.4,23.6
2003,21.4,23.7,25.3,29.7,29.1,27.3,27.5,27.3,27.6,27.6,25.6,22.2
2004,22.1,23.6,27.3,30.2,29.1,28,26.8,26.9,26.7,26.6,25.4,22.4
2005,21.3,25,27,30,28.9,28.3,27.3,26.9,27.2,26.9,25.2,22.8
2006,21.7,25.4,27.4,29.5,28,27.7,26.8,26.4,27.5,27.3,25.6,23.1
2007,21.5,23.4,26.1,30.4,28.1,27.9,27.1,27.4,27.5,27.2,24.9,22.6
2008,23.7,23.4,27.5,30.4,28.7,27.5,27.5,27.4,27.6,27.7,25.6,22.9
2009,22.5,25.2,27.1,31.1,29.2,28.4,27.7,27.9,28.4,28.1,26.3,23.3
