1901,18.3,18.8,20.9,24.6,25.5,25.4,23.7,23.4,24.4,22.6,19.2,16.8
1902,17.5,18.5,22,24.7,27.9,26.3,25.1,24.8,23.3,22.6,18.2,17.3
1903,17.4,18.9,21.8,24.9,25.5,26.6,23.3,23.2,23.2,21.6,18,16
1904,16.8,17.6,20.8,25.2,25.9,24.9,24.2,24.5,23.5,22.2,18.2,16
1905,16.7,18,21.4,23.8,26.4,26.7,25.3,23.8,23.6,22.3,19.6,16.2
1906,18,19.3,20.8,25.7,27.9,24.9,24.5,23.6,23.4,22.2,19.1,17.1
1907,16.9,19,21,23.2,26.2,25.2,24.3,22.8,23.9,22.8,20.1,16.5
1908,16.6,18.6,20.8,25.7,27.4,26.7,24,23.3,22.7,22,17.8,15.2
1909,17.7,19.1,21.4,23.2,26.6,24.3,23,23.7,23.1,22.6,19.7,18
1910,17.4,18.5,21.4,25.4,27.1,25.2,24.6,24,22.9,22.1,17.2,15.4
1911,17.3,17.6,21.3,25.3,27.5,25.4,24.7,23.2,24.3,23.1,20,17
1912,17.3,19.5,22.1,24.5,27.3,27.7,24.1,23.5,23.8,22.6,18.7,15.8
1913,16,19.4,21.5,25.4,26.3,25.3,23.8,24.4,24.3,22.3,19,17.7
1914,16.5,19.3,21.5,23.9,26.5,25.2,23.6,23,22.6,22,19.2,17.3
1915,16.8,18.6,20.3,24.4,26.7,26.6,24.4,23.8,23.2,22.6,20.1,15.7
1916,17.4,19.2,21.3,24.6,26.4,24.1,23.8,23.9,23.5,22,18.8,15.4
1917,16,17.5,19.6,23.2,26.6,23.6,23.9,23.6,22.7,21.9,18.4,15.9
1918,15.8,17.7,20.4,24.3,24.7,25,25.7,24,24.2,22.7,19.8,17.1
1919,18.5,20,21.8,25,26.6,24.3,24.5,24.4,23.9,21.8,19.1,16.3
1920,16.9,18.5,21.8,24.2,26.4,26.2,25,25.2,24.4,23.3,19.7,16.7
1921,17.7,18.5,22.4,24.9,29,25.5,23.9,23.8,23.5,21.3,17.1,16
1922,16.7,18.1,21.7,25.3,26.7,25.7,24.3,24.7,23.2,21.7,19,15.6
1923,16.2,18.2,20.4,25.2,27,28,24,24.3,23.1,21.5,18.9,16.8
1924,17.3,19.6,21.5,26,27.5,26.6,24.7,24.5,23,21.8,17.9,15.7
1925,16.4,18,21,25.2,25.4,25.5,24.4,23.3,23.8,21.5,18.9,15.7
1926,17.4,18.7,21.7,23.8,26.1,28.1,24.8,24,23.7,22.5,18.6,16.7
1927,18.6,19.7,22.7,25.8,27.3,25.6,23.8,24.1,24.2,22.4,18,17
1928,17.8,19.2,21.3,24.5,28,25.8,24.2,24.3,23.7,22.3,19.6,17.3
1929,18.3,18.3,21.4,24.1,28,25.7,25,24.5,23.6,22.4,19.4,18.3
1930,17.9,18.1,21.6,24.3,26.8,26.3,24.9,24.6,23.7,22.1,18.4,17.6
1931,16.6,19.6,21.5,25.3,27.1,25.7,23.6,24,23.3,22,18.2,16.5
1932,15.9,17.9,19.6,24,25.6,25.7,23.7,24.1,23.4,22.8,19.6,16.4
1933,17.1,19.5,20.3,23.7,26,24.2,23.3,23.1,23.3,21.2,18.8,16.1
1934,16.2,18.1,20.8,24.8,27.5,26,23.8,23.4,23.5,22.2,17.8,15.8
1935,17.3,19,21,23.6,28.1,26.1,24,24,23,22.4,18.3,17.3
1936,18.9,18.8,20.5,24.5,26.3,24.4,24.6,23.7,24.2,22.5,19,17
1937,16.4,19.4,21,23.7,27.1,26.7,23.9,24.5,24.1,21.7,19.1,16.5
1938,18.3,19.2,22.1,24.8,27,23.2,23.4,23.6,22.9,21.5,17.7,15.7
1939,16.4,18.1,20.4,24.2,27.7,26.3,24.1,24.3,23.6,22.3,17.5,15.8
1940,15.3,18.5,21,24,26,25.5,23.1,23.4,23.7,22,19.8,17.4
1941,18.1,19.4,23,26.3,27.8,26,25.8,24.7,23.8,22.9,19.3,18.3
1942,17.7,19.3,21.8,25.1,27.8,26.2,24.4,23.8,23.4,21.8,18.8,17.5
1943,18.4,17.3,21.3,24.4,25.5,24.4,23.9,24.1,22.8,21.7,19.3,15.6
1944,17.6,19.1,19.7,24,27.3,26.3,23.9,24.6,23.7,22.2,18.9,16.7
1945,17.1,18.8,21.7,24.3,27.9,25.9,23.9,23.5,23,21.9,17.7,15.3
1946,15.4,17.9,22,24.6,27.2,24.8,24.4,24,23.9,23.2,19.8,17.8
1947,18.3,19,22.3,25.6,27.6,26.8,23.7,23.8,23,21.2,18.6,16.5
1948,17.6,19.5,21.1,24.7,28,26.7,24.7,24,23.2,22.6,20.3,15.2
1949,16.5,18.1,21.6,25,26.1,25,23.6,24,23.2,22.7,18.1,16.4
1950,16.5,18.5,20.5,24.8,26.9,25.5,24,24.8,23,21.8,18.4,15.9
1951,17,18.2,21.7,24.9,26.7,25.5,24.2,24.2,24.1,23.4,20.1,16.4
1952,17.2,19.4,21.5,25.6,27.2,26.7,25.4,24.1,24.1,22.3,18,17.7
1953,17.5,19.6,23.3,25.7,29.5,27.2,24.7,23.9,23.4,22.4,18.8,16
1954,17,19.7,21.7,26,28.4,26.3,23.7,24.2,23.1,21.3,17.7,17.2
1955,17.2,19.4,22,24.6,26.5,25.7,23.9,23,23.4,22.3,17.3,16
1956,17.1,17.7,22.1,25.3,27,25.2,22.7,23.7,23.4,21.3,19.5,16.2
1957,17.5,18.7,20.6,24.3,26.5,26.5,24,23.1,23.7,23.2,19.8,17.5
1958,17.5,19.7,22,25.2,27.5,28.4,23.6,23.7,23.9,22.5,20,17.2
1959,18.2,20.5,21.8,25.3,27.7,25.4,23.7,23.8,24,23,19.5,17
1960,18,18.2,21.7,24.6,27,25.8,24.8,25.4,23.9,22.4,19,17.4
1961,17.7,19.1,22.9,25.8,26.5,25.2,23.8,23.9,23.4,21.9,18.6,16.2
1962,15.6,18.1,21.1,24.3,26.1,26,24.1,23.8,23,21.7,18.4,16.6
1963,15.7,17.3,21.3,23.4,26.6,24.7,24.2,23.2,23.8,22.2,19.4,17.1
1964,17.4,19.5,22.5,25.5,28.1,25.7,23.9,23.2,22.6,22.4,18.2,15.6
1965,17,18.9,21.2,23.9,26.6,25.9,23.8,24.1,23.8,22.6,19.7,18.3
1966,18.1,19.6,22.7,25.5,27.8,26.6,25.1,24.7,23.1,21.9,20.4,16.7
1967,17.4,18.5,21.4,25.1,27.3,26.3,24,23.9,23.4,21.7,18.4,18.6
1968,16.8,19.8,21.1,24.1,26.7,26,24.3,24.8,23.1,20.9,18.8,17.8
1969,17.2,20,23.2,26.1,26.5,26.6,24.1,24.4,23.4,22.1,20,16.4
1970,17.5,20.1,23.1,25.7,27.3,24.5,24.5,23.3,23.6,22,18.1,14.2
1971,17.3,20,21.4,25.5,26.4,24.1,25.4,24.8,24.1,22.1,17.9,15.8
1972,15.8,19.4,22,25.7,27.9,28,25.3,25.7,25.1,22.7,19.7,18.5
1973,18.7,20.8,23.1,27.1,29.2,26.4,24.9,23.9,24.6,22.3,18.8,16.9
1974,16.5,19.6,22.4,26.2,26.4,25.4,25.7,24.4,23.7,22.7,18.1,15.8
1975,16.4,19.7,22,25.7,28.3,25.6,24.2,24.4,22.9,23,18.1,14.7
1976,15.9,18.6,22.1,25.3,27.7,26.1,23.6,23.5,23.7,22.8,20.7,17.6
1977,17,19.9,22.6,25.9,26.9,26.5,25.1,24.2,24.7,22.5,21.8,17.2
1978,18.3,19.8,22.5,26,28.2,25.6,24,23.6,24,23,21.3,18.4
1979,19.2,20.5,22.2,26.2,26.8,27.6,26.2,25.2,24.4,23.9,21.8,18.8
1980,19.4,21.5,23.5,26.6,29,25.4,24.8,23.9,24.4,23.7,20.5,18.1
1981,18,20.3,22.2,26.4,28.1,26.6,25.2,23.9,23.7,22.9,19.7,17.8
1982,19,21.5,23.3,25.8,26.7,26.5,25.2,24.7,24.2,23,21,18
1983,17.9,21.7,24.2,26.4,28.1,27.8,25.3,24.4,23.6,22.8,18.8,17.5
1984,19.3,19.9,22.2,25.9,29.1,26.6,24.3,24.9,24.6,23.2,18.8,18.1
1985,19,20.7,23.4,26.7,28.5,25.2,24.4,24.4,24.8,22,19.3,18
1986,17.1,19.9,23.1,25.9,28.5,25.8,25.2,24.2,25.4,23.9,20.8,18.5
1987,18.4,19.1,21.9,26.4,26.6,27.2,24.8,24.4,25.5,23.2,20.4,18.1
1988,18.5,21.1,23.6,25.5,29.5,27.1,24,24.3,23.9,22.8,19.6,17.4
1989,18,19.2,21.8,26,28.6,25.5,24,24.2,24.1,23.1,20,17.5
1990,17.6,20.7,23.3,26.6,24.7,24.8,24.6,24.3,24.4,22.4,20.9,18.4
1991,18.6,20.7,23.5,26.3,28.6,25.3,24.6,24.3,25,23.1,19.3,17.2
1992,16.8,20.2,22.9,26,28,26.9,25.6,24,23.9,23.5,20.4,16.4
1993,18.1,19,22.8,25.8,28.4,27.7,25.2,24.5,24.3,23.4,20.5,16.5
1994,18.2,20.5,23.4,25.5,28.7,26.6,24.2,24.1,24.3,22.6,18.9,15.9
1995,16.5,20.2,22.8,25.4,26,27.5,24.6,24.7,24.5,22.7,20.6,18
1996,19.2,20.2,23.2,25,28.8,26.6,25.1,24.2,24.2,22.4,19.9,17.3
1997,17.1,19.3,22.3,24.3,27.8,27.7,25.6,24.9,24.4,22.9,22.1,20.3
1998,19.8,21.3,23.6,26.9,29,28.3,25.8,24.6,24.5,23.3,20.9,17
1999,17.4,20.6,23.4,27,26.7,25.8,24.8,24.3,23.8,22.9,20.2,17.2
2000,18.5,20.7,22.1,27.1,27.3,24.5,24.2,24.1,24.2,23.8,20.3,17.4
2001,18.5,21.1,23.2,25.4,28.8,25.5,25.6,24.1,25,22.9,21.2,17.9
2002,18.3,20.2,23.5,26.9,28.5,25.7,25.9,24,24.6,23.2,19.6,18.3
2003,18.2,21,23.1,26.4,29.2,28.3,24.7,24.4,24.8,23.3,20,17.6
2004,18.1,19.4,23.6,26.4,26.1,26.1,24.7,24.8,24.4,22.8,20.2,17.6
2005,19,20.4,22.8,25.3,27.6,27.7,24.8,25,24.1,23.1,19,17.7
2006,18.1,20,22.4,24.5,27.3,26.3,25.7,24.7,24.7,23.6,20.7,18.5
2007,18.7,20,23.2,25.8,28.9,25.7,25.7,24.7,24,23.1,20.2,19.3
2008,18.9,20.4,22.4,25.2,28.7,26.4,25.9,24.4,24.3,23.7,21,19.1
2009,18.8,21.7,22.8,26.3,28,27.4,25.8,25.5,25,23.3,20.9,18.7
