1901,16.8,22.7,24.4,26.7,28.3,32.1,33.1,33.1,31,29.2,24.5,21.2
1902,16.9,21.8,21.4,26,30.8,32.4,33.4,32.9,33.6,29.9,23,18.9
1903,16.7,18.6,20.9,26.6,30.5,30.8,31,32.1,30.5,28,22.8,20.2
1904,17.8,20.6,22.2,25.5,29.5,32.2,33,32.9,31.3,30.4,23,17.9
1905,16.1,17.2,20.9,27,31.4,32.7,33.9,33.4,32.1,30.3,26.1,18.4
1906,17.8,19.6,22.2,26.9,29.9,33.7,33.3,33.2,31,29.2,24.7,21.3
1907,17.5,19.5,19.8,26.4,30.5,32.4,33.2,33.2,30.4,28.5,23,19.8
1908,18,19.2,22.3,26.4,31.3,32.2,32.1,32.2,30.3,27.9,22.5,17.9
1909,17.7,19.5,24,24.7,33.5,33.1,33.6,33.5,31.6,28.8,25.2,21.4
1910,17.4,20.2,19.7,27.9,31.1,32.4,33.2,33.4,31.5,27.5,23.6,19.1
1911,17.2,17.3,21.1,26.3,30.9,32.4,32.6,32.7,30.8,29.1,24.6,19.7
1912,17.6,20.6,22,26.7,29.2,32.6,32.4,32.8,31,29.1,24.5,19.2
1913,18.1,19.1,21.3,26.3,29.3,31.4,32.4,32.4,31.8,29.2,23.2,18.6
1914,19,19.7,23.6,24.2,30.9,32.9,32.7,33.6,31.7,28.4,24.4,20.1
1915,19.6,21,23.3,26.3,30.5,34.3,34,33.7,31.1,29.7,25,21.5
1916,17,20.3,24.6,27.3,32.2,35.8,34.9,33,31.7,28.1,27,22.3
1917,19.6,21,24.1,28.1,29.3,32.2,32.9,33.4,30.7,28,26.6,19.7
1918,17.6,19.2,22.4,26.9,30.4,32.5,34,32.8,32.1,31.3,26.4,19.9
1919,19.7,22,24.9,26.3,28.7,31.5,33.5,32.4,31.9,30.7,26.3,19.7
1920,18.3,17.1,22.1,27.8,30.5,33.3,33.5,34.5,31.1,29.2,23.5,19.2
1921,18.1,18.5,20.7,26.8,30.2,32.5,33.7,34.5,30.9,28.3,24.2,19.5
1922,18.3,20,23.1,27,30.4,32.6,34,33.8,32.1,30.3,26.1,18.9
1923,18.7,19.6,23,26.3,31.1,34.6,32.9,33.2,31.5,28.6,25.8,20.5
1924,17.3,20.4,23.5,27.9,30.1,34.8,34.3,34.4,32.6,28.9,23.6,19.8
1925,16.5,19.5,24.6,26.5,31.1,33,33.7,33.1,31.8,30,26.5,21.5
1926,18.7,20.2,22.2,28,32.9,34.7,32.9,31.8,30.4,28.9,25.4,20.2
1927,18.4,18.2,23,26,32.4,33.5,34.6,33.7,31.7,31.3,26.2,21.9
1928,19.7,18.3,22.7,29.5,33.4,33.2,33.7,34.7,32.9,29.1,25,20.3
1929,17.5,18.7,21.8,27.1,33.9,33.6,33,34.5,33.6,28.3,26.1,18.8
1930,17.7,19.5,23,28.3,31.1,34.1,34.2,34.1,32.3,29.4,24.5,22.6
1931,19.1,19.8,24.4,27.5,31.2,33.2,34.3,34.7,33.1,30.1,24.1,20
1932,17.8,20.3,23.5,26.6,30.3,34.2,35.1,34.2,32.4,31.8,25.4,20.1
1933,18.2,21.5,22.9,24.7,30.9,35.1,33,32.6,30,27.9,28.3,21.5
1934,18.5,17.8,24.6,28.1,31.9,34.3,34,34.2,31.5,30,26.7,20.3
1935,19.2,21,23.8,27.5,33.9,34.9,33.4,33.8,31,30,22.3,20.4
1936,20.3,21.7,24.3,28.4,31.6,33.5,34.5,34.2,30.6,31.7,26.9,18.6
1937,17.1,20.9,24.4,28.2,31.4,32.9,33.8,33.3,32.9,29.7,26.2,21.3
1938,18.3,18.7,20.7,27.3,30.4,32.3,34.2,33.9,31.3,29,23.8,20.9
1939,19.5,19.9,23,28.4,34,33.1,33.8,33.2,32.6,31.1,24.8,22.2
1940,18.8,21.8,22.7,28.2,32.3,34.2,33.7,32.8,31.1,30.5,24.7,19.3
1941,20.2,22.9,22.6,27.7,34,33,33.7,33.8,30.6,27.9,26,19.1
1942,17.6,20.8,23.1,28.5,32.1,34.6,33.4,32.4,30.5,29.2,25.1,20.8
1943,17.7,18.9,20.5,24.1,30.2,31.5,33.5,33.5,32.1,31.3,27.6,22.3
1944,17.5,20.7,23.8,28.1,30.1,34.5,33.7,33.2,31.6,29.8,24,20.1
1945,17.9,17.7,20.7,26.2,33.1,32.7,34.1,35.7,32.2,28.1,25.5,19.9
1946,19.8,19.1,22.7,27,31.2,34,34.4,35,33.6,29.4,27.2,20.6
1947,18.2,22.1,25.5,27.4,33.2,34,35.1,34.8,31.7,29.3,24.9,22.7
1948,21,19.5,19.8,26,32,33.2,33.3,33.7,30.9,28.5,24.4,18.5
1949,17.9,17.6,21.4,23.8,33.4,34.3,33.1,32.2,29.6,29.2,26.5,20.2
1950,17.5,19,22.8,29.1,30,32.6,34.2,34.5,31.9,28.8,24.9,22.5
1951,19.2,19.8,24.4,26.9,31.7,32.6,33.8,33.8,32.6,29.2,24.3,21.4
1952,18.8,20.1,20.1,27,30.7,33,32.6,34.5,33.8,30.7,24.9,22.1
1953,18.1,20.3,20,26.9,31.4,33.4,35,33.4,31,29.1,22.2,18.4
1954,17.3,19.5,23.1,24.9,32.3,33.4,34.4,34.1,30.7,28.9,23.9,18.6
1955,20.3,22.5,23.2,26.9,30.5,34.2,33.9,32.6,31.9,30.3,24.7,19.8
1956,18.7,21.5,20.6,26.6,29.7,33.2,34.2,34.8,33.2,27.8,25.5,18.9
1957,17,19.3,22.3,26,29.8,32.2,33.2,33.3,31.5,30.5,25.2,20.4
1958,18,20.8,23.7,28.6,30.1,33.1,33.2,33.6,30.6,27.9,25.1,21.8
1959,18.8,16.2,21.2,27.2,31.3,32.9,32.5,32.9,30.1,26.9,24.7,21
1960,18.7,21.6,23.1,27.6,32.3,31.9,33.3,33.2,31.2,31.5,25.4,23.3
1961,18.6,17.8,21.3,27.7,31.4,35,32.7,33.6,29.6,27.7,23.9,19.7
1962,19.6,19.1,26.1,26.5,30.6,34.5,33.9,34.7,32.5,30.5,29.1,20.8
1963,21.1,21.6,22.3,27.1,30,33.7,33.8,34.8,32.4,31,25.2,20.9
1964,17.2,19.4,23.8,26.1,29.9,33.3,32.6,33.4,30.2,29.8,24.5,20.4
1965,17.7,20.6,24.6,26.7,30.6,35.4,34.1,33.3,32.6,27.8,24.2,21.1
1966,19.4,20.5,22.9,29.1,31.3,34.3,33.9,33.8,31.7,30.7,28.1,20.6
1967,17.9,19.3,20.2,27.1,29.6,33.6,33,34.2,31.3,28.6,23.6,20.7
1968,17.4,20.1,21.5,27.3,32.1,34.1,34,33.3,31.2,27.4,24,20.1
1969,16.9,22,24.4,24.8,30.5,34.4,32.2,33.6,33.2,29.2,25.2,21
1970,20.3,21.7,24.2,28.5,31.3,32.4,33.3,33.7,31.8,28.1,23.5,19
1971,21,20.1,23.7,25,31.8,33,32.5,33.5,31.5,28.1,23.7,18.6
1972,18.3,19.9,22.1,28.5,30,32.8,32.7,33.9,33.2,29.7,23.1,19.2
1973,18.7,21.9,22.9,26.8,30.9,32.8,34.8,32.6,32,29.9,22.7,21.1
1974,16.1,20.1,23.2,27.6,30.7,33.3,33.9,33,32.4,31.1,24.5,18.9
1975,17.5,19.5,23.8,28.6,30.4,33,33,32,31,28.9,24.1,19.4
1976,17.6,18,22.5,26.5,31.3,32.6,32.3,32,32.1,30.3,26.9,20.7
1977,18.1,22.3,22,26.3,31.9,33.7,34.2,34.2,31.7,27.2,25.6,18.5
1978,18.5,22,23.1,27.7,33.6,33.2,34,31.8,31.3,30.4,22.3,20.4
1979,18.6,21.7,24.6,28.2,30.8,34.1,33.5,32.9,31.2,29.4,25.5,19
1980,17.7,18.6,22.6,26.8,31.7,33.8,33.9,33.6,30.6,29.4,25.6,19.6
1981,16.3,18.6,23.4,28.1,29.7,33.7,33.1,33.1,30.8,30,22,21.1
1982,18.7,17.2,20.4,27.3,28.8,32.7,32.1,33.1,31.6,29.8,21.9,18.6
1983,15.6,17.9,20.5,25.4,30.8,33.1,33.3,32.5,31.4,27.3,25.2,20.3
1984,18.1,21,22.5,26.3,33.1,32,32.8,31.8,32.2,29.6,23.6,19.3
1985,20.4,18.9,22.9,27.5,31.9,34,33.4,33.9,31.2,26.7,25.2,20.1
1986,18.9,21.3,23.2,27.6,27.9,33.7,33.5,33.5,33.2,28.1,22,18.4
1987,19.6,21.6,20,25.3,31.6,32.3,34.6,33.9,31.8,27.2,24.2,19.3
1988,17.8,19,21.8,27.7,33.8,34.4,34.9,34,32.7,27.2,22.2,19.1
1989,15.8,18.6,22.1,30.5,32.2,33.3,33.6,33.8,32.1,28.5,24.2,20.3
1990,17.6,18.4,21.7,27.7,30,32.6,33.5,32.8,30.8,29.5,26.9,21.9
1991,18,20.6,24.2,28.4,30.9,33.3,32.6,33,31.2,30,24.5,17.2
1992,16.7,16.1,21.3,26.2,29.8,33.4,33.1,33.9,31.2,30.7,24.5,18.5
1993,17.2,18.2,21.4,27.4,29.3,33.8,33.8,34.7,32.6,30.7,25.1,20.3
1994,19.5,20.3,21.7,29.3,32.3,32.6,33.5,34.5,33.1,31.3,23.3,18.7
1995,18.7,20.1,23.5,26.7,31,35.7,34,33.7,33.2,28.4,22.8,20.2
1996,18.8,20.8,22.3,26.3,32.4,33.1,35.4,33.8,33.5,28.6,25.2,21.2
1997,20.2,18.7,20.9,25.2,31.2,33.8,34.6,33,31.2,29.1,24.6,19.7
1998,18.2,19.8,20.7,28.8,30.9,33.1,34.5,35.7,33.1,29.9,25.4,20.5
1999,19.2,19.8,23.1,27,31.4,32.7,34.2,34.4,32.5,29.2,25.3,21.6
2000,17.3,19,21.6,28.7,30.7,33.3,35.2,34,32.2,27.6,24.9,20
2001,19.4,20.4,25.9,27.4,30.9,33.2,34.1,34.8,32.5,28.3,24,19.7
2002,16.5,21.5,24,26,30.7,33.8,35.3,34.1,33.4,29.9,25.6,20.3
2003,20.6,18.8,20.8,26.9,32.7,34.3,33.6,34.3,31.7,29.6,25.1,19.8
2004,18.3,20.5,24,26.8,30.8,33.9,34.5,33.7,31.9,29.9,24,20
2005,19.3,19.6,23.2,27.3,30.3,33.4,34.2,34.2,32.8,28.1,23.5,21.7
2006,18.5,20.9,24,27.4,30.3,33.5,33.6,34.9,32.5,28.8,22.9,19.9
2007,18.5,20.2,22.7,25.8,32.1,34.1,34.7,34.4,31.3,30,25.6,20.7
2008,16.3,19.9,26.3,29.1,31.6,35.3,34.6,35.2,33.3,28.8,26.2,22.7
2009,20.6,21.9,22.7,28.4,30.7,35.3,35,34.5,32.6,31.2,25.1,22.1
