1901,17.1,19.6,25.9,30.7,34.2,33.6,27.8,25.2,26.4,26.3,21.1,18.6
1902,19.8,22.2,28.3,31.9,34.6,33.4,27.6,27.2,26.1,25.2,20,17.5
1903,19,20.1,25.1,30.2,32.6,34,28.1,26.2,25.9,24.1,19.5,17.4
1904,18.9,20.8,25.1,31.5,33.9,31.3,26,25.7,25.7,25.4,20.2,18.4
1905,17.7,18.3,24.3,28.7,35.4,33.7,27.1,26.7,26.1,25.1,21.9,17.8
1906,17.6,19.9,25.4,31.2,35.3,31,26.6,26.6,25.1,24.4,21.7,18.7
1907,19.1,20.3,24.9,28.8,32.6,32.2,28.7,25,26.8,26.8,22.4,17.4
1908,17.7,21.2,24.9,31.8,34,32.6,25.9,25.3,26.6,25.4,21,17.2
1909,19.2,21.2,27.2,29.2,33.9,30.4,26,26.1,25.5,24.8,21.4,18.2
1910,18.4,21.1,26.3,30.6,33.9,30.3,26.8,26,25.9,23.8,19.2,18.4
1911,20.1,20.7,24.3,30.6,35.1,29.9,27.7,25.8,25.6,25.7,21.3,19
1912,19.2,22.4,26,31,34.6,34,27.5,25.9,26.1,25.4,20.2,17.6
1913,18.2,21.6,24.6,32.1,32.9,29.8,26.6,25.8,26.8,26.5,21.7,18.4
1914,20.2,21.6,25.2,30.3,33.9,30.9,26.4,26.1,26.5,25.6,22.6,18.5
1915,18.9,20,25.4,30.2,34.6,34,28.2,26,27,25.8,22.1,18.5
1916,18.8,20.5,27.8,31.8,34.6,29,27.5,26.1,26.4,24.8,20.2,17.3
1917,18.9,20.3,25.1,29,33.8,30.1,26,26.2,25.9,24.6,19.6,18.6
1918,17,21.9,26.2,29.9,34.6,30.5,28.2,26.2,27.1,26.4,22.6,18.1
1919,19.2,21,26.8,30.4,33.6,31.1,26.1,25.5,26.3,24.6,22,18.2
1920,18.9,20.9,26.6,30.9,31.7,31.6,26.2,26.2,27.4,27.3,22.5,19.6
1921,19.8,21.4,28.3,32.6,35.1,31.1,28.4,25.8,25.5,25,20.5,19.9
1922,18,22.8,27,31.5,34.4,30.9,26.4,25.8,25.9,25,20.7,17.2
1923,18.8,20.7,26.7,31.2,33.3,34.4,27,25.3,26.4,24.4,21.3,19.5
1924,19,22.1,28,32.2,33.5,33.1,27,26.2,26,24.1,19.7,18.3
1925,16.7,20.1,26.5,32.3,32.4,29.8,25.6,26.4,26.7,26.2,21.3,17.7
1926,19.1,22.6,25.5,27.9,32.9,34.4,27.5,26,26.2,24.2,19.4,17.2
1927,17.8,19.8,24.6,30.3,33.7,32,26.5,26,26.8,24.7,18.8,18.5
1928,18.3,21.1,25.9,30.4,34.4,31.5,26.3,26.5,26.7,25.3,22,17.5
1929,18,19.8,27.3,30.5,34.5,31.1,26.5,25.7,26.7,24.9,22,17.9
1930,18.8,20.1,26.8,30.2,33.7,31.9,25.9,25.7,26.4,26.2,20.2,19.2
1931,20.4,21.2,26,32.4,34.6,33.6,27.6,26.2,25.8,23.8,20.4,18.1
1932,20.2,19.7,25.4,30.2,34,32.3,26.5,26.2,26.2,25.7,20.9,18.8
1933,18.4,22,26.6,30,31.3,30.4,27.3,26,25.5,24.4,20.9,18.2
1934,17.4,21.6,25.4,31.2,33.8,31.8,26.3,25.7,25.3,23.9,19.8,18.2
1935,17,20.9,25.5,28.3,34.1,32,26.1,25.6,25.6,24.8,21.3,18.7
1936,17.6,20.8,25.8,29.9,34.7,30,26.9,25.9,25.8,24.6,21.3,17.7
1937,17.3,21.4,24.8,29.3,33.6,31.9,26.2,26.1,26,24.2,21.8,17.7
1938,19.6,19.5,27.7,31.4,34.5,28,26,26.4,27,24.7,20.3,18.3
1939,19.8,22,24.5,30.3,34,31.1,26.3,26.5,25.6,25.5,20.6,17.6
1940,18.5,21.3,24.3,30.2,34.1,31.6,26.4,25.7,26.2,25.1,21.3,18.1
1941,18.1,21.2,27.4,32.1,34.6,32.6,26.8,26.1,26.9,26.6,21.8,19.9
1942,17.7,21.3,26.9,32.1,34.5,33.2,25.6,25.8,25.6,25,20.9,17.8
1943,19.5,20,26.5,30.2,34.7,30.8,26.2,25.2,26.1,24.1,23,17.5
1944,18,20.4,24.7,29.9,34.7,31.4,26.1,25.7,26.3,24.1,21,19.8
1945,17,20.1,26.3,29.6,33.9,32.5,26.4,26.4,25.7,24.3,19.8,16.8
1946,19,22.5,26.2,32.3,33.9,30.3,26.3,25.5,26.2,25.4,20.1,19.5
1947,17.3,21,26.4,30.7,34.7,32.4,26.5,26.8,25.7,23.7,21.5,19
1948,18.4,20.5,26,32.1,35.5,31.4,26.8,26,25.6,25.8,20.8,17.5
1949,19.7,21,27,32,34.5,31.4,26.9,26.8,25.9,24.9,20.2,18.2
1950,19.4,20,25.2,30.6,34.3,32.7,26.8,26.4,26.3,24.6,19.7,17.9
1951,17.5,20.9,26.5,29.7,34.2,32.3,28.3,25.9,26.9,27.1,22.6,17.7
1952,19.6,23,25.7,32.1,35.2,31.7,27,25.4,26.9,25.9,20.9,20
1953,17.8,23.7,29.1,31.8,34.4,33.2,27,26,26.7,25,20.9,19.4
1954,17.5,22.5,26.5,31.8,35.4,32.4,27.4,26.2,24.9,23.4,20.9,18.6
1955,19,22.4,28.1,29.4,34,31.4,26.9,25.9,25.8,23.6,19.6,18.2
1956,19,21.4,27.2,31.5,34.1,29.5,25.5,25.4,25.8,24.3,19.7,18.7
1957,18.4,19.9,24.4,30.3,33,32.3,26.7,26.4,25.8,25.5,23,20.2
1958,20.1,21.6,26.7,32.3,34.8,33.5,26.5,26.7,25.6,24.3,21.8,19.2
1959,19,21.2,27.6,31.4,34.2,32.1,26.3,25.6,25.6,25.2,21.5,19.2
1960,17.5,23.1,25.6,31.1,34.5,32.2,27.2,25,26.6,24.5,20.8,20.1
1961,19.2,19.3,26.9,30.6,33.8,31,26,26,25,23.4,20.6,16.4
1962,16.8,20.7,25.2,30.1,33.7,31.9,26.9,25.8,25.3,23.4,21.4,18.9
1963,17.5,22.2,24.9,28.4,32.4,30,26.1,25.1,25.6,25,22.9,18.9
1964,17.9,21.7,28,32.5,33.5,31.7,27.1,25.9,26.1,25.8,20.8,18.9
1965,19.1,21.5,25.6,30.1,34.1,32.4,27.3,26.8,25.9,25.9,21.8,18.6
1966,18.5,22.9,25.5,30.3,32.7,31.4,28.6,26,27.2,26.9,23.3,18.5
1967,18.5,23.2,24.9,29.9,34.5,31.4,27.1,25.8,25.5,26.6,22.6,19.4
1968,17.7,20.6,26.8,29.5,32.5,31,26.8,25.4,27.2,25,22,19
1969,18.5,21.8,26.8,29.5,33.1,30.6,26.3,25,25.5,25.7,23.8,19.3
1970,18.9,21.2,25.7,32,34.6,29.7,27.3,25.7,25.6,25.3,20.8,18.3
1971,18.3,21.2,25.4,31.4,32.6,29,26,26.1,26.1,24.4,21.1,17.5
1972,18.3,19.3,25.2,30.2,33.7,32.6,27.2,25.2,25.7,25.7,21.1,19.3
1973,19.3,22.3,26.5,33.3,35.9,31.9,26.2,26,25.6,24.8,20.7,17.8
1974,17.1,21,27.9,31.8,33.3,32,27.3,25.4,28,25.4,20.3,17.8
1975,17.1,20.8,25.5,31.5,34.9,31.4,26.4,26,25.8,25.5,20.3,17.8
1976,18.7,21.8,26.4,30.3,33.6,30.2,27.2,25.7,25.8,26.3,24.3,20.2
1977,18.5,22.2,28.3,30.9,32.8,31.4,26.7,25.9,25.6,26.1,23.7,19.2
1978,17.8,20.5,25.2,31,35.4,31.3,26.4,25.4,26.6,25.9,23.4,18
1979,19.4,19.9,25.4,31.2,32.7,33,27.8,26.2,28,27.1,24.1,19.3
1980,19.3,22.6,27,32.6,35.2,30.4,26.7,25.9,27.2,27.3,22.9,19.1
1981,17.9,22.6,26.2,31.9,34.1,33.5,26.8,26.1,27.2,26.1,21,18.2
1982,19.4,20.4,24.7,30.2,32.6,32.6,28.5,25.8,26.7,26.5,21.9,20.3
1983,18.2,20.1,26.1,29.5,33.7,33,27.8,26.8,26.5,24,19.7,17.9
1984,17.8,19.1,27.5,31.5,34.8,31.3,27.5,24.9,25.5,25.6,21.1,19.4
1985,18.9,21.3,28.8,31.3,34.9,31.6,27.2,25.7,26.8,24,21.7,20.1
1986,19,21.2,26.6,31.6,33.8,31.8,26.5,26,27.8,26.4,23.1,18.5
1987,18.7,22.2,26.8,31.8,33,33.4,28.6,27.5,27.3,26.1,22.5,18.5
1988,20,23.1,26.9,32.4,35.6,32.3,26.8,26.8,27.4,25.1,21.5,18.7
1989,17.9,21.4,25.4,30.6,34.6,30.9,27.2,25.9,26.7,26,23,18.5
1990,20.8,21.6,25,31.3,32.6,29.7,26,26.5,25.8,25.4,22.3,19.2
1991,17.7,23,26.8,30.5,35,31.7,28,25.7,27,26.9,21.9,18.9
1992,19.1,20.3,27.2,31,33.9,33.8,29,26.3,25.8,25.5,21.3,19.2
1993,19.3,21.8,25,31.2,34.9,33,27.8,26.3,26.1,25.9,22.3,18.4
1994,19.7,20.6,27.4,29.3,34.1,30.1,25,25.1,25.8,25.7,21.7,18.8
1995,16.7,20.9,24.6,30.2,33.3,33.6,28.1,26.7,27.1,26.6,22.3,20
1996,19.4,22.6,28.3,31.3,34.3,32.9,27.9,25.6,26.5,24.8,22.3,18.7
1997,17.5,20.5,27,29.2,32.7,30.8,27,26.5,26.4,24.9,22.9,17.7
1998,18.1,21.4,25.3,31.7,35.6,33.6,27.8,27.4,27.3,26.6,22.1,19.1
1999,18.4,21.9,27.1,32.8,34.2,30.9,27.4,26,25.7,25.2,22.6,18.4
2000,19.5,20.4,25.9,33.2,32.4,30.8,26.5,27.3,27.1,27.6,23.8,19.9
2001,18.7,23.1,27.1,30.5,34.3,29.8,26.3,26.7,27.6,26.4,22.9,21
2002,18.4,22.6,27.4,32.5,35.3,31.9,28.8,25.6,26.2,26.6,22.8,21
2003,18.8,22.1,26.5,32.1,34.2,32.3,27,26,25,24.7,23.8,20
2004,18.6,21.9,29,32.4,33.4,30.9,28.2,25.6,27.6,25.8,23.1,19.6
2005,18.5,21.8,26.9,31,33.8,33.8,27.1,26.5,26.8,25.3,22.1,18.5
2006,19.6,24,25.4,31.4,34.2,32,26.5,25.8,27,26.6,22.8,20.5
2007,19.5,22.4,26.6,32.4,34.1,32.3,27,26.5,27.1,25.3,22.9,19.5
2008,18.7,20.2,28.2,31.2,33.6,29.5,27,26.5,26.8,26.4,23.3,21.5
2009,20.8,24.1,28.1,31.9,34.7,33.9,27.5,27.2,27.5,25.4,21.9,20.3
