1901,18,20.5,25.3,29.9,30.6,30.3,27.1,26.6,26.5,25.6,21.1,17.8
1902,18.9,20.6,26.4,28.7,30.4,30.4,26.6,27,26.3,24.9,20.8,17.7
1903,18.5,20.3,25.6,29.6,31.4,29.9,27.7,26.6,26.3,24.9,20,17.2
1904,18.1,20.1,25.7,30.2,29.5,28.7,26.2,26.6,26.4,24.7,20.6,18.1
1905,17.9,19.2,24.2,27.4,28.9,31.5,26.7,26.4,25.8,24.9,21,17.8
1906,18.4,20.7,23.8,30,31.3,29.6,27,26.3,26.9,25,20.9,18.4
1907,19,20.5,24,27.6,30.2,28.9,27.3,26.2,26.6,25,21.2,17.5
1908,17.2,21,25.6,31,31.1,30.3,26.9,26.2,26.2,25.4,20.5,17.1
1909,19.2,20.9,26.3,27.7,30.9,27.9,26,25.7,26.4,24.5,21.2,18.3
1910,17.9,20.4,25.8,30.4,31.5,28.5,26.7,26.7,26.6,24.9,19.8,16.5
1911,19.3,20.2,25.1,29.8,31.6,28.3,27.6,26.3,26.4,24.8,21.3,16.8
1912,18.4,21.9,26.1,28.7,31,30.3,26.8,26.5,26.8,25,20.4,17
1913,17.6,20.8,24.8,31,30.5,27.4,26.5,26.3,26.6,24.4,19.9,17.6
1914,17.8,21.8,25.7,27.8,30.1,28.8,26.6,26.6,26.4,24.5,20.9,18.2
1915,18.5,20.9,24.8,29.8,31.3,29.6,27.6,27.3,26.6,26.3,23.1,17.9
1916,17.7,21.3,26.5,30.3,32.4,27.8,26.6,26.6,26.6,25.5,21.4,17.1
1917,17.6,20.8,24.7,29.3,30.1,28.2,26.7,26.5,26.1,24.8,20.8,17.1
1918,17.1,20.5,25.9,28.8,29.6,27.4,27.7,26.2,26.9,25,21.8,17.9
1919,19.5,20.7,26.2,29.4,30.8,28.6,26.6,26.4,26.5,25,21.3,17.5
1920,18.5,21,25.5,29.6,31,30.8,27.2,26.7,26.7,25.5,21.1,17.4
1921,18.9,20.6,26.8,30,33.6,29.5,27.2,26.4,26.3,24.1,19.6,18.1
1922,18.5,21.4,26.7,30.8,32.2,28.4,26.6,26.6,26.1,24.1,21.1,17.3
1923,18.1,20.5,25,29.9,32,31.2,26.8,26.2,26.9,24.5,20.9,18.1
1924,18.8,21.6,27.2,31.1,32.2,31.9,26.9,26.9,26.2,25.2,20.7,17.5
1925,17.5,20.2,25.5,29.5,30.3,28.9,26.2,26.9,26.8,24.7,21.3,17.6
1926,18.6,21.5,25.1,28.8,30.8,31.5,27.1,26.5,26.6,24.7,20,18.3
1927,19.4,20.8,25.1,30.8,31,29.9,27,26.5,26.8,25.2,21,18.4
1928,18.8,21.3,26.7,29.7,31.4,28.8,26.5,27.1,27.1,25.8,21,18.4
1929,19.1,20.2,25.7,29.1,32.4,29.7,26.8,26.4,26.8,24.3,20.3,17.9
1930,17.7,20.4,26.1,29.8,31.4,29.7,26.7,26.5,26.6,25.5,20.3,17.5
1931,19.1,20.8,25.4,30.7,31.3,30.6,26.7,27,26.9,25.2,20.6,18
1932,18.9,20.6,26.4,30,31.5,30.1,26.8,26.8,26.7,25.9,21.4,18.2
1933,17.6,21.3,26,29,30.6,28.7,26.7,26.4,26.4,24.9,21,18.2
1934,17.9,20.6,26,30.2,32.2,29.5,26.8,26.6,26.6,24.6,20.2,18.1
1935,18,21.1,26.2,29.1,33.3,30.3,27.3,26.5,26.5,25.2,20.8,18.4
1936,19.1,20.6,26.7,30.4,30.5,27.8,26.8,26.7,26.4,24.8,22.1,18.8
1937,17.3,21,25.3,28.5,31.3,29.7,27,26.7,26.6,24.8,20.8,17.6
1938,20.2,20,27.7,31.1,30.3,28.2,26.7,26.7,27,25.3,20.3,17.5
1939,19.3,21.5,25.5,30.8,32.5,29.7,26.6,26.3,26.4,25.5,20.7,18.1
1940,17.4,20.9,24.5,29.9,31.2,29.7,26.6,26.6,27,25.7,22.8,18.9
1941,19.4,21.2,27.7,31.6,32,28.9,27.1,27.1,27.1,24.7,20.4,19.3
1942,18.6,20.7,26.8,29.9,33,30.9,26.9,26.3,26.5,24.7,21.6,18.6
1943,20,19.5,25.9,28.5,31.4,29.3,26.8,26.4,26.8,25.6,21.3,18.4
1944,18.8,20.9,25.1,27.8,32.4,30.4,26.5,26.4,26.6,24.7,20.6,18.7
1945,17.6,20.4,26.3,28.4,31.2,30.5,27,27,26.6,24,20.1,17.4
1946,18.3,21.9,26.4,27.2,30.6,29.3,26.5,26.5,26.5,24.9,22.4,19.6
1947,19.4,20.8,26.6,31.4,32.3,30.4,26.7,26.8,26.6,24.8,21.2,18.4
1948,19.5,21.5,25.1,30,31.2,30.2,26.8,26.4,26.4,25.3,22.4,17.1
1949,18.7,21,26.4,28.5,29.6,29.9,26.8,26.8,26.6,25.6,20.6,17.5
1950,18.8,21,25.4,30.3,31.6,29.2,26.5,26.6,26.7,24.5,20.2,18
1951,18,21.3,25.9,29.6,31.7,30.2,27.3,26.9,27.2,26.6,21.9,19
1952,19.5,22.6,25.8,28.8,31.1,30.4,27.2,26.6,26.3,25.1,21,18.9
1953,18.6,22.4,28.1,30.6,32.7,30.1,27.1,26.6,26.9,25.6,21.2,19.2
1954,18,23.2,26.4,31.7,32,29.6,27.2,27,26.5,24.4,19.7,18.9
1955,19,21.5,27.3,29.7,31.9,30.2,27.1,26.7,26.8,25.2,21,18
1956,19.6,20.4,26.9,30.9,31.4,28.1,26.8,26.7,26.4,25,21.4,19.3
1957,19.8,20.6,25.1,30,33.1,31.1,27.1,27.1,27.2,26,21.5,19.5
1958,20.4,22,26.7,30.8,32.5,32,27.6,27.1,26.9,26.1,22.4,19.6
1959,19.5,21.3,26.5,30.5,32.2,29.9,27.1,26.7,26.3,25.5,21.1,18.4
1960,18.8,22.3,25.1,31,31.9,30.9,26.8,26.8,26.9,25.3,20.8,19.2
1961,19.6,20,27.7,30.9,31.8,29.2,26.6,27,26.3,25.1,20.4,17.1
1962,17.4,20.7,26.3,29.8,31.1,29.8,27.7,26.8,26.9,25,21.3,18.9
1963,17.8,22.1,26.2,28.8,30.3,29.6,27.1,27,27,25.7,22.4,19.2
1964,19.9,22.3,27.4,30.4,31.4,30,26.1,26.6,26.9,25.7,21.7,19
1965,19.5,21.3,25.2,29.6,32,31.4,27.4,27,26.8,25.6,22.2,18.9
1966,18.8,22.6,26.8,31,33.2,29.7,27.8,27,26.6,25,22.7,18.2
1967,19.4,22.5,25,29,32.1,31,27.6,26.6,26.6,25.1,21.2,20.4
1968,18.9,21.2,26,29.1,32,28.8,27.1,26.6,27.3,24.8,21.6,19.7
1969,18.7,22.7,27.9,30.8,30.6,30.5,27.2,26.4,26.4,25.3,22.6,18.4
1970,19.1,21.8,26.3,30.2,32.3,28.7,27.1,26.9,26.4,25.2,20.7,17.4
1971,18.9,21.1,25,27.3,29.2,28,26.4,25.8,26.7,25.1,20.1,17.8
1972,18.1,19.4,26.3,29.8,32.7,31.1,27.8,26.4,26.9,24.9,21.5,19.5
1973,19.9,22.7,25.5,31.2,31.4,29.4,27.1,26.4,26.3,25.3,21.2,18.1
1974,17.8,20.8,26.6,30.2,30.9,30.6,27.2,26.9,26.8,25.9,21.6,17.2
1975,18.2,21.4,26.8,30.4,32.3,29.4,26.7,26.6,26.3,26.2,21.2,17.7
1976,18.2,21.9,26.7,29.9,30.9,30.2,27.3,26.5,26.4,26.3,24,19.5
1977,18.8,21.8,27.8,29.2,29.3,29.7,27.1,27,26.6,25.1,23.2,17.6
1978,17.5,21,24.8,29.3,31.5,29.6,26.9,26.6,26.2,25.3,23,18.6
1979,19.5,20.4,25.7,30,32.6,31.2,28.4,27.1,27.5,25.9,24.1,19.1
1980,19.3,21.8,26.1,31.1,31.7,29.1,27.1,27,27.1,25.1,22.1,19.1
1981,18.2,21.8,25.3,28.6,29.7,30.2,27.2,27.1,26.9,25.6,21.5,18.4
1982,20,21.8,25.2,29.5,32.2,30,28.7,26.5,27.3,25.9,22.1,18.8
1983,18.7,21.7,26.5,29.9,31.1,30.7,27.8,27,27,25.3,21.3,18.2
1984,19.2,20.6,26.2,29.9,32.3,28.8,26.8,26.6,26.4,25.7,20.5,18.9
1985,19.7,21.7,27.3,30.9,31.1,30.5,26.5,26.9,26.4,24.8,21.6,19.7
1986,18.6,21.5,26.4,29.8,30.9,29.9,26.9,26.9,26.9,25,22.2,19.7
1987,18.8,21.6,25.7,30,30.7,31.4,27.9,26.9,27.3,26.1,22.7,19.7
1988,19.6,22.2,26.4,30.2,31.9,29.5,27.2,27.2,27.2,25.3,22,20.1
1989,18.2,21.7,26,31.1,31.9,29.2,27.2,27.1,26.9,25.9,22.2,18.6
1990,19.3,22.2,24.6,29.4,29.9,29.6,26.4,27.4,27.2,24.7,23,19.5
1991,19.1,23.2,27,30.1,31.9,29,27.9,27,27,25.7,22,18.4
1992,17.9,20.7,27,30.9,31.1,29.9,27.7,26.7,26.9,25.7,22.8,18.5
1993,19.3,22.5,25.2,28.6,30.7,30.3,27.8,26.6,26.4,26.1,22.3,18.8
1994,19.6,21.2,27.4,29.7,31.7,29.7,27,26.7,27.2,26.2,22.2,19.1
1995,17.9,21.7,26,30.5,31,30.8,27.2,27.5,26.7,25.9,22.3,19.6
1996,19.9,21.3,27.3,29.9,32.5,28.8,27.3,26.3,27.6,25.6,22.4,18.8
1997,18.1,20.8,26.6,27.8,31.1,31.3,27.5,26.9,27,25.6,23.8,19.7
1998,18.4,21.9,25.1,29.6,31.9,31.6,27.5,27.5,27.3,26.9,23.6,19.1
1999,18.2,22.7,27.3,31.4,30.8,29.6,27.3,26.7,26.3,26,22.4,19.7
2000,20.2,21.2,26.2,30.4,30.7,29.2,27.7,27.4,26.8,26.5,23.1,19
2001,18.5,22.2,26.6,29.7,31.1,28.7,27.1,27.2,27.7,26.3,23.8,19.2
2002,19.6,22.2,27,29.8,32,30.4,28.1,26.5,26.8,25.9,22.3,19.9
2003,18.2,22.5,25.5,30.8,32.4,31.1,27.7,27.3,27.1,25.8,22.3,19
2004,18.1,21.1,26.9,29.9,32,29.6,27.4,26.6,27,25.1,22,19.1
2005,19.4,22.9,26.9,30,31.5,31.3,27.2,27.3,27.3,25.3,21.2,19.2
2006,19.2,23.9,26.5,29.7,30.9,30,27.1,26.5,27.4,26.2,22.8,20
2007,18.9,21.8,25.4,30.2,31.3,30.2,27.4,27.5,27.2,25.7,22.3,19.3
2008,19.3,20.4,26.8,29.8,31.7,28.6,27,27,27,25.9,23,20.2
2009,20.7,23.3,26.8,31.6,31.4,31.7,27.4,27.5,27.7,25.4,23.3,19.6
