1901,15.6,20,23.1,27.1,30.1,31.8,33,32.3,31.6,28.5,22.2,18.4
1902,14.3,19.6,21.9,26.9,31.3,32.5,32.2,32.7,32,27.7,20.7,15.9
1903,13.6,15.1,19.5,26.8,30.3,31.8,32,32.3,30.3,27.3,21.7,18.5
1904,15.9,18.2,21.7,26,30,31.6,31.6,32.9,30.5,28.3,19.9,15.9
1905,15.2,15.3,19.7,25.7,30.7,33.4,32.8,32.2,31.7,29.3,24,17
1906,15.8,18.6,22.4,27.4,32,34.1,33.1,33.1,30.6,28.9,23,19.4
1907,18.1,19,20.8,26.1,30.7,32.3,31.7,31.6,31.1,28.2,22,18.5
1908,16.6,18.6,22.7,28.3,30.5,32.5,31.6,31.6,31.4,29.6,22.4,17.4
1909,16.6,19.1,24.4,26.6,32.6,33.6,32.8,32.4,31.7,29.3,23.6,19.2
1910,16.3,18.3,19.8,28.5,31.4,32.7,32.9,32.3,31.7,27.8,22.1,17
1911,17.3,16.9,21.5,27,31.3,32.2,32.5,31.9,31,28.7,23.1,17.4
1912,15.8,18.8,22,27,31,31.3,31.7,30.5,31.5,28.2,22.7,17.4
1913,16,17.1,20.1,27.6,29.4,30.9,32.1,31.2,31.7,27.9,21,16.5
1914,17.6,17.9,23.4,25.2,31.1,32.7,31.8,32.4,31.1,27.9,23.9,18.6
1915,18.7,20.2,23,27.5,30.9,33.8,33.3,33.1,32,29.7,24.3,19.6
1916,15.2,19.3,24.4,28.3,31.7,33.8,33.1,32.2,30.8,27.7,24.7,19.4
1917,17.3,18.8,23.2,28.1,29.4,31.9,32.6,32.3,30.8,27.7,25.7,17.9
1918,15,16.9,21.9,26.6,30.9,32.8,33.5,31.7,31.5,29.8,24.2,18.5
1919,18.5,19.8,24.3,27.5,30.6,32.1,32.9,31.9,31.9,29.9,23.6,17.4
1920,15.5,15.7,21.2,27.6,29.8,32.4,32,32.8,31,29,22.5,17.5
1921,16.1,16.9,20.3,29.5,30.5,33.1,33.4,33.2,30.4,28.6,22.6,19
1922,16.8,18.4,22,28.3,30.6,32.7,31.9,31.5,31.6,30.1,24.9,17.1
1923,18.3,17.7,22.2,26.3,30.5,33.8,31.8,31.9,31.4,28.5,23.1,17.9
1924,16.2,19.7,23.6,28.5,29.9,33.2,32.4,32.2,31.5,28.3,21.9,17.7
1925,13.6,16.3,23.6,27,31.3,32.5,32.7,32.1,32.5,29.2,23.8,19.4
1926,15.7,17.5,21.2,27.1,33.1,33.3,32,31.8,30.2,28.5,22.2,18
1927,17.3,16.5,22.5,25.9,32,32.5,32.5,32.3,31.2,30.7,23.7,20.3
1928,19.2,18,23.7,28.4,33.3,32.9,32.1,32.4,32.7,28.7,22.5,19.3
1929,16.2,18.5,21.9,27.8,33.4,33,31.4,32.4,32.6,28,24.1,16.3
1930,15.2,18.2,22,27.5,31.6,33,32.8,33.1,32.3,29.2,22.3,20.5
1931,18.1,18.6,23.2,27.6,30.8,32.6,32.9,32.8,32.4,29.8,22.9,18.5
1932,16.2,18.7,22.8,27.8,29.8,33.8,32.9,32.8,31.5,30.3,23.5,18
1933,17.4,19.6,23.3,25.6,31.4,34.1,32.1,31.6,30.3,27.9,25.6,19.8
1934,17.2,16.3,23.4,27.9,32.4,32.9,32.2,32.5,31.1,29.9,24.8,17.6
1935,17.7,18.3,24,26.4,32.6,33.7,32,32.4,30.9,30,21.5,18
1936,17,20,24.4,28.8,32.4,32.7,32.7,32.5,30.8,30.6,25.2,18.1
1937,15.2,18.7,23.5,27.9,31.5,32.3,32.4,32.3,33.4,30.2,23.6,20
1938,17.4,18.8,20.1,28.7,31.3,31.4,31.9,33,31.7,29,22.8,19.6
1939,16.8,18.2,22.5,28,33.4,33.2,32.6,32.3,32.7,30.9,23,19.8
1940,17.4,19,21.6,28.2,32.4,34.3,33,31.9,32.2,30.1,22.8,19.1
1941,18.2,20.9,22.9,28.4,32.4,33.4,33.5,32.9,31.7,28.4,24.2,16.5
1942,16.7,20.5,23.4,28.6,32.4,33.1,31.9,31.6,30.3,29.2,23.8,19.5
1943,16.2,16.7,20.3,23.8,31.2,31.1,32.6,32.5,31.7,30.5,26.1,20.8
1944,16,18,23.6,27.9,29.9,34,32.7,32.8,31.8,30.5,22.2,18.1
1945,17.3,15.8,19.9,25.9,31.1,31.5,32.8,33.4,31.6,28,23.4,17.4
1946,17.6,17.1,21.6,27,30.6,32,31.6,32.2,32.5,29.6,24.9,19.4
1947,16.3,19.8,22.9,27.8,32.4,32.8,32.7,32.6,31.6,29.2,22.6,21.5
1948,17.4,18.6,19.4,26.6,31.3,33,32.4,31.9,31.2,27.7,22.8,16.3
1949,15.7,15.7,21.9,24,33.4,32.4,31.9,32.2,30.1,29.4,25.2,16.9
1950,16.6,17.5,21.5,28.5,30.8,31.9,31.9,32.4,31.3,28.4,23.3,20.7
1951,16.9,17.3,22.9,25.8,32.5,31.7,32.4,32.3,32,30,21.1,13.6
1952,17,17.9,20.6,27.7,31.5,31.5,31.8,31.8,31.9,29.2,22,19.5
1953,17,19,20.8,26.6,32.9,32.9,32.4,31.2,30,28.1,20.6,15.3
1954,14.9,18.2,22.6,26.8,32,31.8,32.2,31.7,29.8,27.7,22.3,16.9
1955,16.5,19.5,23,27.8,31.3,32.9,32.7,31.6,31.4,28.8,22.1,15.5
1956,16.5,20.2,23.3,27.7,30.2,32.6,32.6,32.5,30.8,27.5,23.7,17.6
1957,15,16.9,21.5,26,31.8,32.5,32.7,32.8,32.8,29.8,24.1,18.7
1958,16.3,17.2,22.3,30.4,31.2,32.2,32.2,32.3,30.9,27.3,23.9,19.8
1959,15.6,14.4,20.6,27.4,31.7,32.9,31.5,30,29.6,26.7,22.2,17.9
1960,15.8,18.8,21.6,27.7,30.6,32.2,32.3,32,31,29.8,22,22.1
1961,17.4,14.6,19.7,26.3,30.1,34.1,31.4,30.6,28.3,26.4,20.7,15.8
1962,15.4,16.9,24.6,26.4,30.3,33.2,32,32.7,30.7,29.3,25.5,17.5
1963,18.5,19.5,21.3,27.9,31.3,33.5,32.9,32.8,32,29.7,22.3,17.7
1964,14,15.8,22.1,27.4,29.2,32,31.4,30.8,29.5,27.4,21.4,17.2
1965,16.2,18.2,22.7,25.6,28.7,32.7,32.7,32,31.2,26.6,20.9,16.2
1966,15.6,15.9,21.3,26.8,31.9,32.7,31.9,31.8,31,28.7,24.2,16.9
1967,14.5,16.8,18.7,26.5,29.8,32.2,31.2,30.5,29.4,26.2,19.5,17.7
1968,17.7,16.7,21,25.1,30.1,33.5,32.4,31.9,32.2,27.7,21.6,16.7
1969,14.1,19.8,25.8,26.8,30,33.3,31.1,32.2,32.5,29.1,22.4,18.5
1970,16.6,17.8,21.1,27.4,31,30.8,31.5,32.8,31.6,26.7,21.5,15.9
1971,17.3,17,23,24.7,31.5,31.9,31.2,32,30.9,27.1,21.4,15.9
1972,15.1,16.2,21.2,27,31.1,31.7,31.5,31.9,31.9,29.6,20.6,16.2
1973,15.8,20.1,21.1,27.7,30.3,32,32.3,31.1,30.5,29.1,19.8,18.2
1974,14.6,17.7,22.1,28.6,30.3,32.2,32.2,32,30.6,28.5,22.6,15.8
1975,14.4,18.1,21.9,28.3,30.7,31.7,32.7,31.6,30.8,28,22.6,16.9
1976,15.3,16.6,22.8,27.8,31.4,32.2,32.3,31.1,31.8,30.4,23.5,19.4
1977,15.5,19.8,20.2,25.1,30.6,33,32.8,33,30.9,26.8,21.3,16.3
1978,15.1,18.5,22.4,27.5,32.8,32.7,32.4,30.9,30.2,28.3,19.3,16.8
1979,16.4,21.2,23.1,29,31.4,34.1,32.4,32.4,31.8,29.1,24.1,15.6
1980,16,16.9,22.5,28.2,32.7,32.9,33,32.6,31.4,29.5,23,18.3
1981,13.9,17,22.3,27.7,31.2,33,32.8,32,30.9,29.6,19.6,18.4
1982,18.2,15.6,20.5,27.9,30,31.9,31.6,31.9,31.9,28.6,19.6,16.1
1983,12.3,16.2,18.7,25.2,31,32.7,32.8,31.5,30.4,26.7,22.7,18.7
1984,15.4,19,23.9,27.7,32.8,31.5,31.3,30.5,31.7,29.5,21.2,18
1985,19.6,16.8,24.2,27.1,32.3,33.2,31.9,32.3,31.1,27.4,23.5,19.3
1986,16.7,19.6,24.1,27.2,28.2,32.6,32.9,32.3,32.8,28,21.2,15.2
1987,16.7,19.5,22.6,25.6,31.1,32.6,33.2,32.7,31.3,27.5,22.2,17.8
1988,16,17.3,23.2,28.4,32.9,33.8,33.9,32.7,32.4,26.8,21.1,18.1
1989,13.3,14.9,21,29.1,32.1,32.9,32.9,32.6,32.6,27.6,21.8,17.1
1990,16.9,16,19.9,29.1,31.3,32.3,32.5,31.1,30.6,29.3,25.7,22.2
1991,16.3,18.9,23,29,32.4,32.9,32.7,32,30.8,28.5,23.2,15
1992,14.8,13.7,22.6,26.7,29,32.6,33,33.3,29.9,29.2,21.7,16.6
1993,15.2,16.7,21.8,28.8,30,32.9,32.4,33.1,31.5,30.8,24.7,20.2
1994,18.5,16.4,20.8,28.9,31.9,32.4,32.3,33,31.5,30.7,21.4,15.6
1995,17.1,16.9,22.9,27.5,30.1,34.9,33,33,33.1,29.8,20.1,17.1
1996,17.5,19.1,23.2,26.8,34.2,32.5,33.2,34,34.2,28.9,19.7,17.6
1997,18.2,15.3,20.9,26.8,32.1,33.6,33.6,33.3,32.3,29.7,23,17
1998,17.5,18.1,20.3,29.4,32,31.9,34,33.8,32.3,28.3,24,19.6
1999,18,20.5,21.6,25.7,32.9,32.1,33.3,32.7,32.9,29.2,22.8,17.9
2000,16.8,16,20.8,29.1,32.6,32.8,35,33.2,32.4,27,22.5,17.6
2001,16.9,17.6,24.9,29,32.1,32.3,32.9,34.4,33.1,27.6,22.3,17.2
2002,14.2,19.7,23.5,28.3,31.2,33.2,35.1,34.4,33.9,30,24.3,17.5
2003,18.5,17.1,20.4,28.8,33.4,33.9,33.7,33.9,32.7,30.5,22.6,17.6
2004,16.6,18.5,23.5,28.3,34,33,33.9,33.5,32,30,23.1,17.8
2005,16,20.9,22.9,28.5,31.8,33.8,34.1,34.1,32.7,29.1,22.1,20.9
2006,18.7,20.4,23.5,27.4,32.3,34.4,33.4,34.5,33.2,29.7,20.7,16
2007,15.6,18.5,23,29,33.2,33.8,33.8,34.2,31.2,30.2,23.7,18.4
2008,15.8,17,25.9,29.6,32.1,35.1,34,34.7,33.7,28.5,24.2,20.1
2009,18.4,19.7,21.5,30.5,30.6,33.8,34.7,33.8,33.4,30.4,22.9,18.8
