1901,17.1,17.5,25.7,28.5,30.8,32,30.3,28.3,27.5,27.6,24.3,20.2
1902,19.4,20.7,26.7,29.8,30.8,29.7,30.8,28.8,28,27.9,24.7,19.8
1903,17.2,19.7,22.4,26.6,31.1,31.5,30.6,29.5,29.1,28.4,22.9,18.3
1904,17.7,21.4,23.7,29.2,31.1,30.7,29.6,28.7,28.8,27.8,25.2,20.3
1905,16.3,17.9,22.4,26.8,31.5,30.9,30.6,28.8,28.4,28.1,25.5,20.5
1906,17.4,17.7,23,27.4,31.4,30.8,30.2,28.3,28.5,27.9,25.7,21.1
1907,20.6,18.7,24.2,27.5,29.5,30.4,31.1,28.7,27.5,26.7,24.8,19.1
1908,18.6,20.3,23.5,28.1,30.3,31.3,28.9,28.3,27.5,27.1,23.6,19.1
1909,17.4,19.7,24.6,26.8,29.9,31.3,29.3,27.5,27.5,27.3,25,18.9
1910,17.8,20.6,24.5,27,29.9,31.3,28.4,28.1,27.6,27.2,23.6,18.9
1911,17.4,20.9,22.5,27.2,30.7,30.8,29.1,27.9,28.5,27.5,22.5,19.4
1912,19.4,21.6,24.1,28.8,31.1,32.3,30.6,28.4,27.9,27.5,23,19.2
1913,19.4,19.2,22.7,28.7,30.6,31.9,29.4,27.5,26.9,27.4,23.5,19
1914,19.3,18.6,23.3,27.8,31.6,31,29.4,28.4,28.9,27.6,25.1,18.6
1915,18.1,19.1,25,27,30.4,31.8,30.6,28.8,28.9,28.5,24.3,19.5
1916,19.6,19,26,28.2,30.3,31.4,30.1,28,27.9,27.3,21.7,18.9
1917,19.4,21.5,24,27.3,30.8,31.4,30.3,27.9,27.4,26.8,21.7,18.5
1918,17.5,20.5,24.2,26.8,30.2,30.3,29.8,28.6,27.5,27.5,23.7,18.6
1919,17.6,20.5,24.6,27.9,30.7,30.9,29.9,28.4,27.5,27.1,23.3,18.7
1920,18.5,19.9,25.5,27.7,30.2,31.6,30.1,28.3,28.4,28.5,24.7,18.2
1921,18.6,20.4,26.3,29.3,30.8,31.7,30.3,27.8,28.1,27.2,24.3,19.9
1922,18.1,20.2,25.1,28.9,30.4,31,30.9,28.6,28.5,27.1,23.7,19.9
1923,18.1,19.4,25.2,28.1,29.9,31.4,30.7,28.2,28.1,26.9,22.9,18.3
1924,17.6,20.4,26.8,28.7,30.4,31.8,30.6,28.2,27.8,26.9,22.8,19.6
1925,17,17.9,25.9,29.9,30.8,31.2,29.8,28.6,28.1,28.7,23.4,19.4
1926,18.5,22.6,24.2,26.5,29.8,31.7,31.1,29.1,27.9,27.2,22.3,20.3
1927,16.7,18.9,23.8,27.7,30.6,31.4,29.9,27.6,28.1,28,24.3,20.2
1928,18.6,20.5,25.6,29.1,31,31,30.6,28.9,28.2,28.2,24.1,18.6
1929,17.5,19.3,26.4,28.9,31.1,31.1,29.5,27,27.1,27.3,24,17.6
1930,17.4,20.2,24.8,27.5,30.9,31.8,29.1,27.9,28.5,27.5,23.6,19.5
1931,19.1,19.3,24.1,28.9,30.7,31.1,30.1,29.5,28,27.1,24.7,20.3
1932,19.7,21.4,25.2,29,30.4,30.9,29.5,28,28.2,28.3,24.1,19.4
1933,17.8,20.7,24.2,28,30.7,31.3,29.6,28,28,28.2,24.7,20.6
1934,16.1,21.1,23.9,28.5,30.2,30.8,29.6,29.2,28.4,27.2,24.3,21
1935,16.7,20.5,24.7,27.6,29.2,30.4,29.1,28.1,27,27.4,24.2,20.1
1936,17.2,21.1,23.5,27.8,31.1,30.8,29.5,29,28.9,27.7,23.9,19.8
1937,17.9,21.1,23.8,27.2,30.1,31,29.7,28.6,27.9,27.3,24.1,18.1
1938,17.3,19.8,24.9,28.2,30.9,30.8,29.1,28.2,27.8,27.1,22.4,19.6
1939,18.9,20.5,23.6,26.4,29.1,31.3,29,28,28.7,27.5,24.7,21.3
1940,20.3,21.5,23.3,27.3,30.4,30.9,29.9,27.8,28.2,28.5,25.3,19.6
1941,18.4,22,26,29.1,31.1,31.3,29.2,29.1,28.4,29,24.5,20.6
1942,18.5,20.8,25.3,28.9,30.7,30.6,29.6,27.7,28.3,27.5,24.7,18
1943,17.3,20.8,24.9,27.8,30.4,30.4,29.5,27.7,28,27.5,24.8,21.4
1944,19,20,24.7,28.1,30.3,31.4,29.2,28.2,27.8,27.8,25,19
1945,16.9,20,24.8,27.3,29.9,31,29.1,28.9,28.6,27.2,24.4,18.3
1946,18,20.5,24.3,29.7,31.1,31.7,30,28.2,27.9,28.4,22.7,17.4
1947,18.6,20.5,24.5,28.6,30.5,30.9,29.7,29.4,28.9,27.1,25,20
1948,18.4,20.6,25.5,29.5,31.8,30.8,30.3,28.4,28.6,28.6,23.7,20.5
1949,18.7,20.9,25.5,29.4,31.5,31.9,30.4,28.9,29.1,26.7,22.6,19.7
1950,18.7,18.2,24.6,27.9,30.9,31.1,29.3,28.6,28.9,27.3,23.3,18
1951,18,19.9,25.3,27,30.3,31.9,30.7,28.8,28.7,29,25.1,20.7
1952,19,21.3,25.2,29,31.8,31.9,29.5,28.2,27.8,27.2,23.9,19.6
1953,18.5,22.2,26.7,28.2,30,31.5,30.4,29.3,28.4,28.2,24.8,22.7
1954,18.6,20.9,25.8,28.8,31,31.6,30.5,29.5,28.3,27,24.9,19.9
1955,18.3,21,26.7,28,31,30.8,29.7,28.5,29.1,28.3,23.8,20.2
1956,18.2,20.4,25.7,28.2,30.4,31.4,28.5,27.9,28.7,27.3,23.5,20.1
1957,18,19.3,24.2,27.7,30.1,31.8,30.4,29.3,27.9,26.9,25.6,20.3
1958,20.5,21.4,26.1,29,31.4,31.9,30.2,29.4,28.9,28.5,24.8,20.8
1959,18.6,21,26.4,29.2,31.8,31.4,29.7,28.9,28.1,28.4,23.2,19.2
1960,18.1,21.9,23.8,27.9,30.8,31.4,30.3,29.2,28.8,27.8,24.8,19.2
1961,18.9,19.6,25.7,27.4,30.2,30.5,29.6,29.3,28.4,27.6,23.5,19.5
1962,17.7,21.7,24.7,28.6,31,31.3,30.1,28.4,28.4,27.2,23.9,19.1
1963,19.4,22.3,25.5,28.5,30.4,30.8,30.2,29.1,28.4,28.3,25,20.9
1964,17.1,20.6,26.4,29,31.1,31,30.2,29.8,28.2,26.7,22.4,18.6
1965,20.7,21.8,25,27,29.9,30.8,29.9,28.2,28.5,28.9,24.9,19.2
1966,20.2,23.2,24.6,27.9,30.7,30.5,30.3,28.6,28.9,28.9,23.6,18.7
1967,17.1,21.9,24.7,27.6,30.8,30.8,30.1,28.8,28.3,27.1,25.2,18.9
1968,17.3,18.8,24.8,28,29.8,31.1,30.6,28.5,28.3,28.5,25.5,19.9
1969,18.8,20.3,26.2,29.2,30.6,31.2,30.4,28.3,28.1,28.7,24.9,21.1
1970,19.2,20.8,24.4,28.7,30.7,31.6,30.1,29.6,29,28.5,24,19.8
1971,18,20.8,24.6,30.4,30.6,31.1,29.4,28.8,29.1,27.5,24.3,20.2
1972,17.2,17.5,24.5,27.6,30.8,31.7,30.7,29.1,28.6,28.1,24.8,19.9
1973,17.5,21.4,24.9,29.5,31.2,31.5,29.8,29.2,28,28,24.1,19.3
1974,18.8,19.1,26.2,28.4,30.5,30.7,30.4,29.4,29.1,27.9,24,19.6
1975,17.7,20.1,23.7,28.5,30.5,30.2,30.4,29.5,29,28.4,23.6,20.9
1976,19.4,20.6,24.8,27.8,30.3,30.9,30.1,28.9,29.1,28.3,25.4,20.2
1977,18.8,21.1,27.4,29.5,31.6,31.6,29.7,28.8,28.3,29,26,21.6
1978,18.9,20.6,24.5,29,31,31.5,29.4,28.6,28,28.2,25.4,20.6
1979,19.4,20.1,23.9,29.3,29.6,32.1,30.5,28.9,29.2,27.9,25.7,20.6
1980,18.8,21.7,25.3,30.1,31.4,31.5,29.7,29.1,28.4,28.2,24.6,19.8
1981,19.4,21,24.9,28.8,30.8,31.9,30.1,28.6,29.7,28.5,23.5,20.3
1982,18.5,20,24.3,28.3,31,31.8,30.8,29.8,29.4,28.9,24.4,20.7
1983,19.5,20.1,24,27,30.8,31.7,30.8,29.4,29.5,28.1,23.8,19.7
1984,17.9,18.8,25.8,29.8,30.6,31.6,29.5,27.8,28.2,26.8,24,20.4
1985,18.8,21.3,26.6,28,31.2,31.2,29.3,27.9,28.3,28.3,25.1,20.4
1986,18.3,20.1,24.8,28.7,31.4,31.8,29.8,28,28,28.6,25,18.5
1987,18.9,21.5,25.7,28.6,30.6,32.1,31,30.1,29.2,29,25.6,20.2
1988,20.4,22.4,25.5,29.7,31.4,32.2,30.8,29.8,30.5,29,24.9,21.2
1989,18.6,20.8,24.9,28.2,30.4,31.3,29.6,28.8,29.2,28.2,25.5,20.6
1990,20.7,21.6,24.2,28.7,31.1,31.1,29.5,28.1,28.3,27.7,24.3,20.1
1991,18,20.5,25.7,29.3,30.8,31.6,30.5,29.1,27.9,27.8,25,21.2
1992,19,20.6,24.7,27.5,29.9,31.6,30.6,29.2,28.7,28.6,24.7,21.8
1993,20.6,23,25.5,28.7,31.5,32.2,31.3,30.2,29.5,29.8,25.8,21.5
1994,19.7,21.1,26.8,28.4,31,31.9,29.1,28.2,28.3,27.9,25.4,20.1
1995,19.3,22.1,24.7,28.3,31.2,31.9,30.5,29.7,29.4,29.6,24.5,20.8
1996,19,21.7,26.4,28.9,31.1,32.1,30.6,28.6,28.7,27.5,24,20.1
1997,18.9,21.7,25.3,26.2,30.2,31.2,31.1,30,29.6,28.2,25,19.8
1998,19.7,21.3,25.9,29.9,32.1,32.3,30.6,29.5,30.6,29.3,25.6,22.4
1999,19.8,21.2,26.6,29.8,31.1,31.3,30,29.3,29.5,30.2,26.4,21.6
2000,20.1,21.6,25.9,29.3,31.1,31.7,30.1,29,29.4,29.8,26,21.7
2001,19.7,22.3,26.5,29.2,31.6,31.9,29.4,29.4,29.3,29.9,26.4,22.9
2002,20.3,20.6,26.7,29.7,31.6,31.6,29.5,28.5,28,29.3,25.5,21.8
2003,20.7,22.9,26.5,30.3,31.2,31.6,30,29.7,28.8,29.1,24.5,20.3
2004,20.2,22.4,28.2,30.2,32,32,30.5,29.2,29,28.4,26.1,22.5
2005,19.3,21.3,26,29.2,30.8,31.7,29.9,29,29.4,29.3,26.1,20.4
2006,19.9,21.8,25.4,26.9,30.8,31.3,30.1,28.3,29.5,29.9,26.4,20.6
2007,20.5,23.5,26,29.9,31.3,31.8,31.1,29.6,30,28.8,26.4,20.5
2008,18.6,20.1,26.9,29.1,30.4,31.4,29.9,28.8,29.7,29.6,25.8,21.7
2009,21.1,23.8,27.3,29.8,31.8,31.7,30.6,30,29.4,29,25.6,21.6
