1901,18.3,19.5,24.4,28,30.6,30.8,31.2,30.6,29.4,26.7,22.9,19.8
1902,19.1,19.7,25.5,28,31.1,30.3,30.8,30.4,29.3,26.3,23.4,20.3
1903,17.7,19.3,24.9,28.6,30,30.6,30.9,30,28.9,26.9,22.4,18.9
1904,17.5,20.2,23.8,27.4,29.8,30.5,30.6,30.3,29.4,26.9,22.5,18.8
1905,19.2,19.6,22.4,26.8,30.8,30.9,31,30,29.6,26.7,23.1,21
1906,18.3,20.1,23.4,27.3,30.5,31.2,31.4,30.4,30,26.5,22.6,20
1907,18.8,19.5,23.5,27.1,30.1,30.1,30.7,30.7,29.1,27.4,23.8,19.3
1908,18.8,19.6,23.8,28,30.2,30.7,30.8,30.6,29.4,26.7,22.8,19.7
1909,18.2,20.1,24.8,27.9,29.4,30.8,31,30.6,30.2,27.6,23.7,20.1
1910,18.9,19.8,23.8,27.7,31.1,30.6,30.5,30.6,29.2,26.3,23,18.9
1911,18.2,19.6,24.3,27.8,30,31.2,30.7,30.5,29.6,26.1,23.2,20.2
1912,17.7,19.9,24.6,27.6,31.1,30.9,30.4,30.1,28.7,26.5,22.6,19.4
1913,18.1,20.2,22.8,27.4,29.1,30.5,30.7,30.1,29,26.5,22.4,18.8
1914,18.9,20.3,24.7,27.9,30.5,30.5,31.4,29.9,29.1,26.1,22.5,20.3
1915,18.7,20.8,24.4,28.6,29.6,30.5,30.4,30.4,29.3,28.2,23.4,20.2
1916,18.3,20.1,23.8,28.2,31.2,31,31.3,30.9,29.8,26.4,23.2,19.9
1917,17.1,19.4,23.1,27,30.1,30.6,31,30.5,29.8,27.1,23.7,19
1918,17.1,19.9,24.3,27.3,29.8,30.1,31.1,29.6,30,27.4,23,21.4
1919,19.1,19.4,26.1,28.7,30.9,31.7,31.2,31.4,29,26.3,23.2,20
1920,18.7,18.9,24.5,27.6,30.3,31,31.7,30.3,30,26.3,24.1,19.9
1921,19.4,19.8,24.8,29.6,30.7,31.7,31.4,31.6,29.5,26.6,23.2,21.6
1922,19.8,22.2,24.7,28.5,32.3,30.9,31.3,31.2,29,27.1,22.4,20.3
1923,21.1,20.2,26.6,28.4,29.4,30.3,31.5,30.6,30.2,27,24.5,21
1924,19.8,20.6,25.5,28.1,31.3,30.6,30.6,30.6,30.4,26.4,23.8,22.1
1925,17.1,17.9,24.7,25.6,30.1,31.3,32,31.4,29.8,25.7,24.8,20.8
1926,19.6,19.4,23.8,28.3,30.8,30.7,31.6,30,31,25.6,24.2,20
1927,19.3,19.6,23.5,26.8,29.8,30.7,32.2,31.9,28.7,26.1,23.9,22.3
1928,21.2,18.6,25.1,28.8,31,30.7,31.8,31.1,30.5,24.2,21.5,21.3
1929,20.3,20.7,24.1,26.7,30.8,31,31.8,31.1,28.9,26.8,21.8,22.4
1930,16.3,21.1,22.7,29.1,29.2,31.1,31.7,31,29.8,26.7,23.2,21.2
1931,20.2,23.3,26.5,31.5,31.7,32.3,31.2,31.2,29,24.7,22.4,19.6
1932,17.9,17.2,23.4,28,32.5,31,31.3,31,28.4,24.7,22.9,18.5
1933,16.8,20,25,29.7,29.8,31.4,31.6,30.9,29.8,26.1,22.7,22
1934,17.5,20.8,24.7,27,31.7,30.1,31.4,31,30.7,25.9,22.9,20.8
1935,19.4,21,25.9,28.7,31.5,31.2,31.4,31.5,29.5,28.5,24.8,19.4
1936,16.6,20.5,22.4,28.5,30.6,30.8,31.2,31.4,29.8,25.7,25.2,21.4
1937,19.1,21,25.6,29,30.3,30.7,31.4,30.3,30.3,28.8,24.3,21.3
1938,19.9,20.8,24.4,29.4,28.8,30.9,30.5,30.4,30,26.6,22.7,21
1939,19.9,20.9,25.5,26.3,30.7,30.1,30.8,31,29.2,28.1,24.9,18.9
1940,19.7,21.6,24.6,28.8,30,31.7,32.4,32.2,30.6,28.5,24.6,23.4
1941,22.3,21.9,25.9,27.9,30.7,30.8,31.9,31,29.3,26.9,22.7,20.7
1942,19.7,22.3,25.8,27.9,31.1,30.5,31.6,30.5,31.2,28,24.3,20.1
1943,18.2,19.9,25.4,28.1,32,31.1,31.8,30.6,30.4,27.5,22.8,21
1944,19.3,20.1,25.1,28.5,29.7,30.6,32.2,31.3,30,25.3,24,16.2
1945,18.1,16.9,24.8,28.2,29.7,32.6,32.2,30.5,31,25.8,26.3,20.7
1946,21,22.4,26.1,29,30.4,31.8,31.5,31,30.5,26.5,24.5,20.9
1947,20.9,19.8,24.5,26.7,31.7,30.8,30.7,31.1,29.4,25.9,24.1,20.3
1948,19.7,21,25.5,28,29.9,31.1,30.6,30.8,29.8,26.2,21.8,21.4
1949,18.5,21.8,25.1,27.1,30.4,31.3,31.5,31.3,30.7,26.9,23.2,19.5
1950,20.3,18.8,25.3,28.1,31.4,30.5,31.3,30.2,29.6,26.7,23.7,19.7
1951,17.9,21.6,23.1,28.3,30.7,30,30.8,30.9,28.9,26.9,23.3,20.6
1952,19.9,21.8,25.3,28.6,32.2,31.3,31.1,30.2,28.5,26.3,25.2,19.3
1953,19.1,20.4,25.1,27,30.4,30.7,32.1,32,28.4,27.7,24.1,20.9
1954,19.9,21.4,22.3,29.2,29.7,29.9,31.4,29.9,29.2,25,24.3,17.1
1955,16.4,22.7,25.2,26.8,30.7,30,30.5,29.3,30.1,25.8,20.9,20.7
1956,16.3,21.3,25.1,28.2,28.8,30.4,30.7,29.7,29.8,26.4,21.8,19.9
1957,19.7,17.3,23.7,27.9,30.8,28.3,30.6,30.8,29.1,25.4,24.6,21.6
1958,18.2,17.4,26.7,30.4,32.2,30.7,31,29.6,29.1,25.7,22.9,21.2
1959,16.4,20.1,22.8,28.6,29.7,31.3,30.9,30.6,28.4,27.1,24.1,20.6
1960,18.9,20,26.6,27.1,30.6,31.9,29.8,30.8,29.6,25.7,23.8,17.9
1961,18.3,18,24.3,28.3,30.6,31.6,31.5,30.1,29.1,27,22.7,20.1
1962,13.9,20.5,23.1,27.8,31.3,29.8,31.6,30.4,30,26.9,23.1,20.6
1963,16.2,18.5,23.8,28.4,32.3,31.2,30.7,30.5,31.2,25.4,24.2,20
1964,18.3,17.9,24.3,28.9,30.3,30.4,31,31.1,30,26.7,22.3,18.1
1965,18.8,21.7,23.6,28.3,30.5,29.5,31.3,30.4,29.7,26.9,23.8,19.8
1966,19.9,22.9,26.4,29.7,29.5,29.3,30.9,30.3,29,26.3,23.3,21.1
1967,16.8,17.3,24.2,26.9,31.6,31.7,31.7,31.2,28.5,25.7,22.8,16.9
1968,18.3,14.4,24,25.3,30.4,30,31,30.5,29.2,25.8,24.2,23.5
1969,20.3,20.1,24.7,28.9,32.4,30.7,31.5,29.6,29.5,27.7,21.5,19
1970,17.9,21.6,23.7,27,29.8,29.9,29.9,30.7,29.6,26.4,22.7,19.6
1971,16.9,19.1,24,28.1,29.5,30.6,30.2,28.7,29.6,25.7,23.2,19.2
1972,17.7,19.5,24.6,25.9,31.9,31.4,31.5,30.3,28.9,27.2,22.5,20.2
1973,17.8,24,25.7,29.5,30.9,31.3,30.9,30.1,28.6,25.9,22.1,19.1
1974,19.1,18.6,22.7,27.2,30.8,30.1,30.4,29.5,29.8,26.8,23.7,20.5
1975,18.6,20.8,26,28.8,30.2,30.6,31.2,30.7,30.4,27,21.5,18.1
1976,16.9,20.6,23.7,27.3,29.5,30.3,31.2,30.4,28.8,26.7,19.9,20.6
1977,16.1,16.9,24.4,27.7,31.9,32.6,30.8,31.1,29,26.6,21.8,21.3
1978,18.1,19.4,25.6,28.5,29.7,30.4,31.5,31.3,28.3,26.9,22.8,21.4
1979,20.5,22.8,26,28.1,30.2,30.4,32.1,30.3,28.9,26.1,22.3,21.2
1980,19.5,18.4,27,29.7,31.1,31.5,31.5,30.6,29,27.2,25,19.7
1981,18.1,21.7,25.8,28.9,29,30.7,31.1,31.9,30.4,26.5,22.5,17.9
1982,19.1,19.4,26.2,25.9,31.1,30.7,31.7,30.6,28.8,27.7,23.1,17.8
1983,16.6,19,22.3,30.1,32,32,33,31.1,29.9,26.8,21.8,18.3
1984,16.4,19.7,24.5,28.9,29.8,30.5,31.4,31,29.1,25.6,24.4,19.7
1985,18.1,20.6,21,26.9,30.7,30.9,30.8,31,28.8,27.1,22.9,19.8
1986,18.4,19.5,25.3,28,29.2,30.7,30.3,31.2,29.5,25.4,22.3,21
1987,19.6,22.2,26.6,28.2,32.6,31.6,31.7,30.3,28.8,27.8,23.5,19.1
1988,20,20.6,23.4,27,31.1,32.2,31.1,30,29.1,25.7,22.7,21
1989,16.9,18.9,22.1,28.4,29.3,30.8,31.1,31.5,30.2,26.6,23.8,20.9
1990,19,20.4,23.2,28.2,28.7,30.3,30.4,33,30.5,26.4,24.6,21.3
1991,19.1,21.2,26,28.5,30.9,30.6,30.9,30.6,30.4,26.8,22.3,20.4
1992,16.2,17.4,24.6,29.5,31.4,31.3,30.3,32.5,30.8,26,22.5,21.1
1993,16.1,21.4,24.5,28.6,30.2,32,31.9,31,30,25.9,24.2,20.2
1994,21.2,21.6,22,30,30.4,29.8,30.7,30.3,29.2,26.2,24.6,21
1995,17.5,18.6,24.7,29.4,30.4,31,30.9,29.9,29.5,27.8,22.4,19.5
1996,18.6,18.9,25.4,25.9,30.1,30.5,30.4,30.5,29.9,27.4,23.8,19.7
1997,18.8,18.5,24.2,26.5,31.4,31.2,29.9,30.7,27.4,27.7,24.6,20.7
1998,19.9,21.7,26.2,29.1,31.1,31.1,31.1,31.7,31.1,28.7,25.4,21.5
1999,19,21.9,26.2,27.9,28,31.4,31,29.9,29.6,26.2,22.7,18.5
2000,19,18.5,23.6,27.9,28.8,29.5,31.3,31.5,29.6,26.5,23.4,21.2
2001,19.3,19.4,23.7,28.5,28.7,30.9,30.7,31,30.2,26.2,22.4,19.9
2002,18.5,21.1,25,29.2,29.4,31,30.9,29.8,28.9,27.1,23.1,20
2003,18.2,22.5,23.6,29.4,31.1,30.5,32.1,31.3,29,26.5,24.4,19.8
2004,18.5,19.8,24.4,27.9,29.4,30.8,30.8,31.6,29.6,27.1,24.3,20.3
2005,17.6,22.1,22.6,27.7,32.8,31.2,31.6,30.8,30.2,27.1,23.8,18.5
2006,20.1,20.5,25.1,29,29.9,31.5,31.7,30.5,29.7,27.6,25.6,19.8
2007,16.8,22.4,25.8,26.5,30,32.3,31.7,31.1,28.8,26.5,22.6,21.2
2008,17.7,15,24.5,28.5,29.9,30.3,30.9,30.7,30.4,27.5,22.8,19.8
2009,16.9,24.9,25.7,27.8,29.5,31.7,31.6,31.9,31.2,28.3,23.6,20.8
