1901,17.2,19.1,24.4,29,32.5,31.7,26.3,24.7,25.8,24.8,20.2,17.2
1902,18.8,20.2,26.6,30.1,33.3,32.5,26.4,26,25.4,24.2,19.6,16.8
1903,18.4,19.1,24.8,29.4,31.7,31.4,27,25.4,25.7,23.5,19,16.7
1904,18.5,20.2,25.1,30.5,32.3,29.3,25.5,24.8,25.4,24.2,19.7,18
1905,17.5,18,24,27.3,32.4,33.2,25.8,25.1,25.3,24,20.7,17.3
1906,17.9,20.5,24.2,30.2,33.9,30,25.6,25,25.4,24.3,20.6,18.3
1907,18.6,19.8,24,27.3,31.6,30.3,27,24.3,26.5,25.4,21.1,16.8
1908,16.8,20.7,24.7,30.9,33.5,31.8,25.6,24.6,25.9,24.3,19.9,16.6
1909,19.7,20.5,26,27.4,32.3,28.5,25,25.1,25.3,24,20.4,18
1910,17.6,19.8,25.4,30.4,33,28.6,25.8,25,25.7,23.8,18.8,16.6
1911,19.2,19.5,24.1,29.8,34,28.7,27.2,24.9,25.3,24.6,20.5,16.9
1912,18.1,21.2,25.4,29.5,33.2,33,26.4,24.9,25.7,24.4,20,16.6
1913,17.3,20.9,24.3,31.2,31.8,27.9,25.8,25.2,26.2,25.2,20.2,17.9
1914,18.4,21.4,25.1,28.4,32.2,29.4,25.8,25.1,25.8,24.3,21,17.7
1915,18,20.1,24.1,29.3,34,32.4,26.8,25.2,25.7,25.2,21.6,17.3
1916,17.5,20.6,26,30.8,32.9,27.3,26.1,25,25.7,24.9,20.2,16.2
1917,17.5,19.6,23.9,27.8,32.2,28.2,25.5,25.3,25.1,24.3,19.2,17.4
1918,16.6,20.8,25.3,29.1,32.1,27.1,27.2,25.1,26.4,24.4,21.1,17.6
1919,19,19.7,25.3,29.1,32.1,28.8,25.4,24.9,26,23.9,21,17.3
1920,18.1,20.5,25.5,29.5,31.2,31.5,25.3,25.4,26.7,25.6,20.9,17.6
1921,19,20.3,27.2,31.4,35.7,29.6,26.5,25,25.4,24.1,19.1,18.4
1922,18.1,21.1,26.4,31,34.1,29,25.2,25,25.4,23.9,20.5,16.9
1923,17.9,20,25,30.2,33.4,33.5,25.5,24.6,25.9,23.4,20.4,18.1
1924,18.3,21.6,26.9,31.1,33,32.9,25.7,25.3,25.6,24.2,19.9,17.5
1925,17.1,19.7,25.2,30.7,31.4,28.8,24.5,25.3,26,24.9,20.5,16.8
1926,18.3,21.3,24.9,27.5,31.1,33.3,26.6,25.1,25.6,23.9,19.1,17.3
1927,18.8,20.6,24.6,30.5,33.1,30.7,25.5,25.1,26.2,24.4,19.3,18.2
1928,18.5,20.5,25.6,29.7,34.1,29.7,25.4,26.4,26.2,25,20.8,18.1
1929,18.6,19.1,25.7,29.5,34.1,29.9,25.2,24.6,26.3,24,19.8,17.6
1930,17.9,19.4,25.9,29.3,33,30.6,25.4,24.9,25.8,25,19.7,17.7
1931,18.7,21.8,25.2,31,33.8,31.7,25.7,25.2,26,24.2,20,17.7
1932,18.8,19.4,25.4,29.8,32.8,31.8,25.6,25.3,26,25.1,20.8,17.6
1933,17.9,21.7,25.7,28.3,29.9,28.5,25.8,25.3,25.6,24.3,20.2,17.8
1934,17.5,20.4,25.2,30.2,33.7,30.3,25.6,25,25.4,23.5,19.6,17.9
1935,17.7,20.7,25.5,28,34.2,31.2,25.2,24.8,25.4,24.3,20.4,18.4
1936,19,20,25.7,29.4,33.3,27.7,25.7,24.8,25.6,24.2,21.3,18.2
1937,17,20.8,24.2,28,32.5,30.7,25.4,24.5,25.5,23.6,20.4,17.1
1938,19.2,19.2,26.9,30.2,33.1,27,25.1,25.2,25.9,24.4,19.7,17.2
1939,19.1,21.6,24.5,29.6,34.3,29.8,25.2,24.9,25.4,25,19.9,17.3
1940,17.3,20.9,24.4,29.3,33,30.4,25,25.1,26,24.7,21.2,18
1941,18.9,20.2,26.9,31.8,33.9,30.3,26.2,25.7,26.5,25.4,20.2,18.6
1942,18,20.2,26.1,30.2,34.5,32,24.7,25.1,25.7,24.4,20.8,18
1943,20,19.1,26.1,29.2,33.3,29.5,25.3,24.3,25.7,24,20.5,17
1944,18,19.7,23.8,28.2,34,30.8,25.1,25,25.7,23.8,20.3,18.9
1945,17.1,19.9,25.8,28.2,33.2,31.1,25.4,25.7,25.6,23.5,19.4,16.8
1946,18.2,21.2,25.7,29.2,32.6,28.2,25.2,25,25.6,25.1,21.3,19.5
1947,18.5,20.2,26.1,30.9,33.8,31.7,25.4,25.4,25.6,24,20.9,18.3
1948,18.8,20.6,24.9,30.9,34.7,30.9,25.5,25,25.3,25.2,21.4,16.9
1949,18.6,20.3,26.1,30.5,32.8,29.5,25.6,25.2,25.7,24.8,19.3,17.6
1950,18.5,19.8,24.4,29.6,33.5,29.9,25.2,25.3,25.8,24,19.7,17.5
1951,16.9,20.5,25,28.5,32.4,31,26.6,25.1,26.1,26.1,21,17.3
1952,18.7,21.8,24.8,30.5,33.9,31.3,26.5,25,26,24.8,19.7,18.6
1953,18.2,22.5,28.1,30.1,34.3,32.2,25.8,24.6,26.2,24.3,19.8,18.4
1954,17.3,22.3,25.5,30.7,34.3,30.9,25.9,25.6,25.4,23.3,19.5,18.1
1955,18.3,21.1,26.7,28.6,32.7,30.6,25.7,25.3,25.6,23.9,19.2,17.4
1956,18.5,20.2,26.4,30.8,33.3,27.8,25.3,25.2,25.2,24.2,19.8,18.4
1957,19,19.3,23.7,28.8,32.5,31.4,25.8,25.6,26.1,24.9,21.2,19.1
1958,19.3,21.4,25.9,30.8,33.7,33.1,26.2,25.7,25.8,24.4,21.4,18.1
1959,18.6,20.4,26,30,33.2,30.2,25.5,25,25.7,24.9,20.5,18
1960,17.8,21.2,24.5,29.3,32.9,30.6,25.8,25,26.4,24.2,19.7,17.6
1961,18.9,19.1,26.7,30.1,33,29,25.4,25.2,25.1,23.9,19.7,15.6
1962,16.6,20.1,25.1,29.3,32.3,30.9,26.4,25.2,25.4,23.7,20.3,17.9
1963,16.7,21,24.3,28.4,31.9,29,25.9,25.5,25.9,24.9,22,17.8
1964,18.5,21.2,26.5,30.9,32.9,30.2,25.2,25,25.9,25,20,17.9
1965,18.6,20.3,24.8,28.7,33.5,30.9,26.3,26,25.6,25.1,21.4,18.4
1966,18.2,22,26,30.7,33.4,31.1,28,25.6,26.4,25.5,22.4,17.4
1967,18,21.8,24.2,29,33.1,31.5,26.6,24.8,25.7,24.4,20.9,19.3
1968,17.3,19.5,24,28.1,32.4,30.4,26.2,25.2,26.3,24.2,20.7,18
1969,18.3,22.3,27.8,31.1,32.1,31.4,26.1,25,25.5,25,22.2,17.7
1970,18.6,21.4,25.2,30.2,33.3,27.6,25.8,25.3,25.5,24.9,19.6,17
1971,17.9,20,24.1,28.8,30.6,26.9,25.1,24.9,25.9,24.3,19.4,16.8
1972,17.4,19.3,26,29.4,33.4,32.3,26.5,25.3,25.5,24,20.5,19
1973,19.2,22.2,25.9,32,34.6,31.1,26.2,25.1,25.5,24.1,19.6,17.5
1974,17.1,20.1,26.3,31,32.5,30.3,26.5,25.2,26.4,25,19.7,16.8
1975,16.9,20.3,25.4,30.8,34.3,30,25.6,25.3,25.6,25.4,18.9,16.7
1976,17.1,21.2,25.7,29,32.6,30.2,26.3,25.2,25.4,25.1,23.1,19.1
1977,18,21.2,27.2,29.8,31.4,30.4,26,25.3,25.2,24.3,22.6,17.9
1978,16.9,20,23.8,29.3,34.1,30.2,25.6,24.6,25.5,24.4,22.2,17.3
1979,18.6,19.5,24.3,30.3,31.2,30.8,26.9,25.5,27.2,25.6,23.4,18.6
1980,18.7,21.4,25.9,31.3,34,28.5,25.5,24.8,26,24.7,21.4,18
1981,17.2,21.3,24.7,30,32.1,31.2,25.7,25.4,25.9,24.2,19.7,17.4
1982,19.2,20.6,24.1,29,31.1,30.4,27.7,25.1,25.7,24.5,21.1,18.8
1983,17.5,20.5,25.3,28.9,31.8,31.9,26.9,25.9,25.9,23.8,19,17.3
1984,18.5,19.4,25.4,29.8,34,29.5,26.1,24.9,25.1,24.6,19.4,18.7
1985,19.1,20.6,27.1,30.5,33.4,30.1,25.5,25.2,25.7,23.2,20.1,18.9
1986,17.6,20.8,25.5,30.1,32,30,25.7,24.9,26.2,24.3,21.2,18.5
1987,17.7,20.7,25.3,30.6,31.6,32.2,26.7,26.3,26.2,24.6,21.3,17.6
1988,19,22.1,25.9,30.1,34.3,30.1,25.9,25.5,26.5,23.8,20.3,18.4
1989,17.5,20.9,24.6,29.6,33.5,29.2,26.1,25.6,25.9,24.4,21,17.7
1990,19.1,21.1,24.3,30.2,30.6,28.3,24.8,25.5,25.7,24.1,21.5,18.4
1991,17.9,22.3,26.1,29.2,33.4,29.1,26.5,24.8,26.1,24.3,20.6,17.9
1992,17.6,19.9,27,30.5,32.5,31.2,28.1,25,25.6,24.7,21.8,17.8
1993,18.7,21.3,24.1,29.5,33.2,31.5,26.8,25.6,25.5,25.2,21.3,17.7
1994,19.2,20.2,27.1,29.2,32.7,29.2,24.7,25,26,24.7,21.1,18.1
1995,16.5,20.5,24.5,29,31.9,32.6,26.2,26.1,26,25.4,21.3,19.6
1996,19.5,21.3,26.8,29.5,33.8,31.3,26.5,25.1,26.8,24.5,21.2,17.8
1997,17.1,19.6,25.8,28.2,32,31,26.1,25.8,26.1,24.6,22.6,19.1
1998,18.1,20.3,24.1,29.9,33.3,31.9,26.6,26.3,26.6,26,22.7,17.9
1999,16.7,21.6,26,31.5,32.5,29.7,26.3,25.3,25.5,25.5,22.3,18.3
2000,19.6,20,25.1,31.4,32.1,28.2,26,26.1,25.5,26.1,22.2,18.4
2001,18.2,21.7,25.9,29,32.7,28,25.5,25.7,27,25.6,22.8,18.7
2002,18.3,21.8,26.5,31,34.1,30.4,27.7,25.2,26,25.4,21.6,20
2003,18.4,22,24.9,31,33.6,32.4,26.4,25.8,25.7,25,22,19.2
2004,17.2,20.3,26.9,31.3,33,30,27.1,25.1,26.8,24.6,21.5,19.3
2005,19.1,21.7,26.4,29.6,32.8,32.6,26,25.6,26.2,25.1,20.7,18.1
2006,18.7,22.9,24.4,29.5,32,30.5,25.5,25.1,26.4,26.1,22.1,19.4
2007,18.1,21.8,24.5,29.9,31.9,30.3,26.2,25.8,26.9,24.8,21.8,19.3
2008,19.1,20,26.2,29.6,32.7,28,25.7,25.4,26.4,25.6,22.1,20.2
2009,19.7,23.3,26.3,31.1,33.4,32.5,26.1,26.6,26.7,24.8,22.7,19.1
