1901,19.3,22.6,27.6,29.1,28.9,30.4,30.1,30,29,28.4,24,20.8
1902,21.4,23.3,28,27.2,28.4,29.5,29.3,29.8,29,27.2,24.2,20.8
1903,19.3,22.1,26.6,28.8,29.1,29.5,30.7,29.8,29.7,29.1,24.8,21.1
1904,20.7,22.9,27.9,27.5,28.2,30.1,30,30.4,30,28.3,23.9,20.7
1905,19.7,20.6,25.7,26.8,28.8,30.3,30.2,29.4,29.6,28.2,25.4,21.3
1906,19.9,22.4,26.1,28.4,29.2,30.2,30.9,29.6,30.8,28,25.1,21.4
1907,21.2,22.2,25.5,27,28.9,29.4,29.7,31,29.5,28.8,25.2,20.8
1908,20,22.6,27.7,30.1,29,30.4,30.6,30.6,29.8,28.7,24.5,21.1
1909,20.6,22.7,29.8,28.4,28.9,29.6,30.7,30,31,29,25.5,21.4
1910,20.4,23.4,26.9,28,28.6,29.7,29.1,30.3,30.3,28,24.9,21.3
1911,21.6,22.4,26.7,28.2,28.3,30,29.6,30,29.3,27.1,23.6,20.5
1912,21,23,26.1,26.2,28.9,30,29.6,30,29.8,28.2,24.4,21.3
1913,20.8,22.6,25.6,28.1,28.2,29.3,30.5,30.4,29.8,28.1,23.7,20.5
1914,20.8,23.2,27.1,26.6,29.1,30.8,30.8,29.9,29.4,27.2,24.6,21.7
1915,21.7,23.2,27.1,28,28.2,29.6,29.9,30.3,29.5,30,26,21.7
1916,20.7,23,28.6,27.9,29.1,30.4,29.4,30.1,29.6,27.5,24.9,20.6
1917,20.2,23,26.6,28.2,29.8,29.9,30,30.6,29.5,27.8,24.8,21.4
1918,19.9,22.6,27.1,27.9,30.1,29.2,29.4,29.5,29.8,28.1,24.3,20.5
1919,21.1,22.4,28.9,28.1,28.8,30.7,30.2,31.4,29.4,28.4,25.2,21.4
1920,21.2,22.9,26.2,27.2,28.3,29.9,30.9,30.3,29.4,28.6,25.2,22.9
1921,20.8,22.6,27.8,27.9,28.9,28.9,29.9,30.5,30,27.1,24.8,21.5
1922,21.1,23.9,28.9,30.6,30.1,29.5,30.1,30.3,29.8,28.4,24.9,21.2
1923,21.3,22.8,28.7,28.6,28.4,29.7,30.2,31.1,29.7,28.2,25,21.4
1924,21.3,22.7,29.6,29.8,28.5,29.9,29.8,30,28.9,29.2,24.7,22
1925,19.7,21.6,27.6,28,27.4,30.3,30.1,30.5,28.7,27.1,24.4,19.8
1926,20.7,23,26.2,27.9,29.1,29.7,29.7,30.2,29.8,28.5,24,21.7
1927,20.1,21.8,25.6,27.8,28.4,29.5,30.7,30.4,28.8,28.5,24.3,21.3
1928,20.5,23.9,28.1,29.2,28.6,30.1,30.5,30,30.3,27.8,23.9,20.8
1929,19.5,22.3,28.1,28,28.3,29.3,30.3,30.4,29.8,28.1,24.4,20.7
1930,19.8,23,27.2,27.9,29.5,28.6,30.9,30.6,29.8,27.9,24.4,21.4
1931,21.8,23.6,27.8,28.2,28,29.7,29.6,31.1,28.7,28.7,24.2,21.6
1932,20.6,21.1,27.9,29.1,27.4,29.3,30.3,30.3,30,28.9,25.8,21.9
1933,20.2,23.4,29.5,28.1,28.6,30.1,30.5,30.5,30.2,29.3,25.1,21.8
1934,21,23.4,28.1,28.6,28.1,28.9,30.2,30.5,30.8,27.8,24.4,21.4
1935,20.6,23.3,28.4,29.2,29.2,29.9,30.7,29.8,30.2,29.5,26.7,21.9
1936,20.4,21.9,28.3,29.1,29.6,29.6,30.4,30.6,30.2,27.1,26.9,21.5
1937,20,22.9,27.5,30.1,28.9,30.5,31.4,29.7,30.3,28.8,24.8,22.9
1938,21.9,22.4,28.4,30.5,29,30.5,29.8,30.8,30.4,29.3,23.4,21.9
1939,21.6,23.4,28.2,31,29.4,29.9,29.8,30.8,29.7,28,25.1,21.8
1940,21,23,24.9,28.9,28.8,30.1,30.5,31,30.1,29.3,25.1,22.2
1941,20.6,23.5,29,28.9,28.6,29.3,30.6,30.8,30.5,27.8,24.8,23.6
1942,22,24.6,28,28.3,29.1,30.3,31,30.8,29.7,29.7,26.7,23
1943,22,23.6,26.5,26.3,29.2,30.1,29.8,30.5,30.5,29.1,28.6,23.6
1944,20.6,23.5,29,28.5,30.2,31.5,31.1,32,30.3,30,26.8,25.1
1945,22,22.1,29.3,30.3,28.9,30.4,30.9,30.7,30.8,28,25.7,21.7
1946,23.2,24.4,28,27.8,28.7,30.1,30.3,31.5,30.7,26.9,26.9,23.4
1947,21.2,24.5,27.9,29.2,28.7,30.4,30.2,30.5,30.8,28.2,25.6,23.6
1948,21.1,22.5,27.1,29,27.8,29.8,30,30.6,30.4,26.9,26.1,21.6
1949,22,23.6,28.2,26.2,28.8,30.1,30.2,30.4,29.7,28.8,25.7,21.3
1950,22.1,23.1,28,29.8,30.1,29.1,31,30.1,30.8,28.3,25.1,22.7
1951,21.7,25,28.7,28,28.9,29.5,29.4,30.7,29.8,28,25.5,22.6
1952,22.8,25.4,26.6,29.8,28,31,30.3,30.3,29.4,29.5,26.6,22.8
1953,20.6,24.6,27.8,29.3,29.5,29.9,29.5,31.3,29.3,28.5,25.3,23.3
1954,20.6,25.2,29.9,29.4,29.8,29,29.1,29.1,29.9,28.1,25.2,21.9
1955,21.5,25.2,29,28.7,30.2,28.9,29,29.2,29.9,29.7,25.4,21.5
1956,22.9,25.7,29,30.5,29.9,29.1,30,30.4,30.4,28.8,26.2,22.3
1957,21.9,23,28.1,29.9,29.1,29.9,30.4,30.9,30.9,28.6,26.8,23.2
1958,22.5,23.3,29.4,29.6,28.8,31.4,31.2,30.2,30.7,30.3,28,23.5
1959,21.5,22.6,28.6,30.2,29.4,30.3,30.6,30.8,29.7,27.3,26.6,23.9
1960,21.9,25.8,28,31.9,30.3,30.5,29.6,30.7,29.1,29.7,26.4,23.4
1961,23.4,23.7,27.8,29.9,29.4,30.2,31,30.8,30.1,29.5,24.7,21.2
1962,21.7,23.9,28.9,30.4,28.5,30.2,31.3,29.4,30.4,28.7,26.3,22.7
1963,22.1,24.6,27.1,27.4,27.8,29.6,30,30,30.5,28.2,24,21.6
1964,21.1,23.4,28.5,27.9,28.6,29.9,29.4,30.8,30,29.6,26.5,23.1
1965,22.4,23.3,26.4,28.2,29.1,29.9,30.1,29.4,29.9,27.7,24.4,23.2
1966,21.4,25,29.3,29.8,30.5,28.9,30.3,29.8,29.2,27,26.4,21.7
1967,21.3,23.9,25.8,27.2,28.6,29.3,29.9,30.7,29.4,27.5,22.5,21.3
1968,19.6,21.6,27.2,28,28.8,29,29,31,30,27.1,24.4,21.3
1969,21.1,24.4,29.4,29.4,30.1,29.5,30.1,30,29.5,27.6,25.3,22
1970,20,22.4,27.2,29.1,29.8,30.3,29.8,30.3,29.7,27.9,24.8,22.7
1971,20.6,23,26.7,27.3,28.2,29.6,30,29.7,29.9,27.8,23.1,21.4
1972,22.2,22.6,28.1,27.8,29.4,29.7,30.7,30.2,29.6,29,24.6,22.3
1973,22,23.7,27.2,30.2,29.1,29.4,30.8,30.6,29.8,27.6,24.2,20.9
1974,19.8,24.1,27.4,29.2,28.8,29.6,29,29.9,28.8,29.9,27,21.1
1975,20.4,23.7,29.4,29.8,29.1,30.3,28.9,30.5,29,30.2,27.1,22.5
1976,20.7,23.7,29.4,29.6,28.6,29.1,30,29.7,30.2,28.2,27.2,22.9
1977,21.2,24.8,29.2,26.7,27.2,28.8,30.6,29.7,30.3,26.5,24.4,20.9
1978,19.3,22.5,27.3,28.5,28.6,29.6,29.7,30.3,29.1,28.5,24.7,21.9
1979,21.2,22.7,28.3,30.5,30.7,31,29.5,30.5,28.9,27.6,26.8,20.8
1980,20.6,23.4,27.1,29.7,27.8,30.2,30.5,30.6,30.2,27.5,26.1,23.1
1981,19.7,24.3,27.3,27.6,29,30.9,29.6,30.8,30,30,26.1,21.2
1982,22.2,22.4,27.1,27.7,29.8,29.5,30.4,31,30,28.2,24.3,21.6
1983,19,21.2,26.9,27.5,27.7,30.7,30.9,30.6,29.1,28.3,25.6,21.2
1984,19.9,23.1,29.4,29.5,28.2,29.9,29.1,30.5,28.4,29.2,24.8,22.4
1985,20.4,23.2,29.5,29.5,28.4,30,28.5,30.7,29.5,28.5,24.2,22.3
1986,21.6,23.5,28.1,27.4,28.4,30.5,29.8,30.7,28.6,26.6,25.1,21
1987,21.2,24.7,27,28.1,29.6,29.7,29.5,29.1,29.2,28.1,26.2,23
1988,22.4,25,27.8,28.7,28.5,30.1,30.2,29.9,29.9,28.8,25.1,21.9
1989,20.3,22.4,28,29,30,29.8,29.6,30.2,29.2,28.8,24.7,20.7
1990,23.7,22.5,25.3,26.7,29.2,30.4,29.7,30.6,29.7,27.4,26.5,22.3
1991,19.7,24.2,28.5,28.4,27.8,29.1,30.4,30.1,29.3,28.6,24.6,20.3
1992,20.5,21.2,28.6,29.7,27.6,29.9,29.2,30.3,29.8,27.9,24.7,20
1993,20.3,23.5,26.5,27.5,28.2,29.4,30.5,30.2,29.1,29.2,25.6,23
1994,21.9,22,27.3,28,29.6,30.4,30.9,30.7,31,28.3,23.8,21.2
1995,19.4,22.2,29.5,28.7,30.4,29.9,29.3,30.2,29.4,29.3,24.5,22.3
1996,22.1,24.4,28.3,30.4,29,29.8,30,30.4,29.7,28.7,25.8,23.1
1997,20.8,21.6,28,26.4,28.9,29.7,30.6,30.8,28.9,27.7,25.4,21.7
1998,21.2,24.5,26.2,28,30.4,30.7,29.4,30.2,30.4,29.7,26.7,22.6
1999,22,26.6,29.8,31.2,28.9,30.8,29.6,30.2,30,28.5,26.4,23.1
2000,20.9,23.4,26.7,26.3,29,30.3,30.5,29.9,29.5,29,25.9,22.7
2001,22.8,25,28.1,29.2,29.1,30.3,31.3,30.8,30.4,28.3,27.2,23.5
2002,21.3,25.4,28.4,27.4,28.2,29.7,29.6,30.4,29.7,28.5,26.3,22.9
2003,21.5,23.2,26.7,28.3,29,29.3,30.3,32,30.4,29.8,27.2,22.6
2004,21.4,24.2,31,26.7,29.9,30,28.9,31.8,31,27.6,25,23.5
2005,20.4,24.6,28,28.2,27.7,30.8,30.8,30.9,31.4,27.8,26.6,23.2
2006,22.1,26.9,29,28.3,29.6,29.9,31.4,32.1,30.3,28.5,25.4,23.2
2007,21.9,22.7,28.6,28.8,30.6,30.7,30.8,31.1,30.3,29.7,26.7,23.8
2008,21.6,22.2,28.7,29.4,29.7,29.9,30.8,30.7,30.6,29,25.7,24.3
2009,22.7,25.8,28.2,30.4,30.1,31.5,31.6,31.6,31.4,30.6,27,23
