1901,15.8,17.9,19.4,22.1,21.9,22.7,22.7,22.5,21.9,21.5,19.1,15.6
1902,14.3,17.3,19.2,21.6,22.4,23.3,22.5,22.3,21.7,21.2,18.6,16.2
1903,15.4,16.2,19.9,22.6,23.1,21.8,22.3,21.7,21.4,20.9,17.4,12.2
1904,12.7,15.1,18.6,20.7,22.3,22.5,22.2,22.5,22.4,21.6,17.9,14
1905,15.7,17.8,19.4,22.4,22.6,22.5,22.6,22.9,22.5,21.8,19.2,18.2
1906,17.2,18.4,19.6,23.2,23.9,23.1,22.9,22.8,22.9,21.2,17.9,15.5
1907,14.9,17,18.1,21.4,21.8,22.4,22.2,22,22.2,21.2,18.7,13.4
1908,14.9,16.6,18.9,21.9,22.1,22.5,22.3,22,22.1,21.3,17.3,15
1909,15.1,17,19.1,21.6,22,22.5,22.2,22.3,22.3,21.7,17.8,14
1910,15.6,15.9,18,21.3,22.3,22.3,22.4,22.3,21.6,21,18.4,13.5
1911,14.4,16.1,18.6,21.8,22.5,22.6,22.3,22.7,22.4,21.5,19.9,16.3
1912,15.3,17,19.7,22,23.6,23.1,22,21.7,21.8,20.8,17.2,14.6
1913,14.5,17.4,18.9,22.1,21.7,22.3,21.5,21.7,21.9,20.9,17.7,14.5
1914,13.7,17.2,18.9,22,23.2,22.3,21.8,21.6,21.8,20.6,18.6,15.6
1915,14.9,17.8,19.1,21.5,22,22.6,22,22.4,21.6,21,17.6,12.6
1916,13.1,16.5,19.2,21.7,22.3,21.9,22.4,22.1,21.9,20.8,17.4,13.9
1917,14.5,16.5,18.1,22,22.6,21.8,22.1,21.7,21.6,20.5,18.1,14
1918,14.2,15.3,18.2,20.6,21.5,22.4,22.9,22.2,22.5,21.5,19.4,16.4
1919,15.7,17.4,19.9,21.8,22.6,22,22.2,22.4,21.9,21.3,18.5,15.5
1920,13.5,16.8,19.2,21.4,22.7,22.5,22.3,22.4,22.1,20.8,19,15.5
1921,14.6,16.1,19,21.5,21.8,22.4,21.5,22.1,21.5,20.7,17.6,14.9
1922,15.5,17.2,18.1,21.3,22.7,22.5,21.6,22,22.3,21.1,17.8,14.4
1923,14.7,15.2,18.6,20.5,21.3,22.1,21,21.3,21.4,20.6,18.7,15.5
1924,15.5,16.6,19.3,21,22.4,22.3,21.1,21.7,21.3,20.3,19.2,12.9
1925,14.9,15.9,18.9,20,22.2,22.4,22.1,22.1,22.2,20.6,18.6,14
1926,15.4,16.9,18.7,22.1,23.5,22.8,22.3,21.9,22.2,21,18.6,15.6
1927,14.9,16.8,19.2,20.6,21.4,22.2,22,22,21.9,20.7,18.7,15.2
1928,16.7,16.8,19,20.8,22,21.8,22,22.1,21.8,20.5,18.1,15.6
1929,15.8,16.4,17.9,20.8,22.2,21.7,21.7,22,22,20.9,18.4,16.1
1930,15.5,16.3,18,20.5,22.1,22.4,21.7,21.8,22.3,21.2,18.8,15.7
1931,15.8,16,19.6,22.1,23.1,22.8,22.5,22.2,21.8,20.3,17.6,15.2
1932,13.9,16.9,18.6,21.6,23.2,23,22.2,22.9,22.1,21.2,19.3,14.2
1933,15.8,17.2,19,21.6,22.9,22.6,22.1,22.5,22.2,21.4,17.7,14.9
1934,14.7,16.1,18.7,21.3,23.4,23.1,22.1,22,22.3,21.1,18.9,13.2
1935,16.1,17.4,19.6,21.8,22.5,22.7,22,22.2,22.2,21.9,19.5,16.3
1936,14.6,16.2,18.8,21.8,23.1,22.4,22,22.2,21.8,20.5,18.5,16.7
1937,15.6,17.5,19.4,22,22.1,22.5,21.8,22,21.8,20.5,20.1,15.9
1938,15.5,16.4,18,20.7,21.5,21.7,21.6,22.5,22.2,21.4,17.1,15.6
1939,14.8,15.6,18.2,20.7,21.2,21.6,21.9,22.2,21.9,21.2,19.6,11.3
1940,11.4,16.1,17.6,21.3,22.2,22.1,22.8,22.4,22.4,20.8,19.9,16.7
1941,18.4,17.7,20.5,22.9,22.2,23.9,23.9,23.4,23.1,22,20.2,17.5
1942,14.6,16.9,19,21.9,22.3,22.4,22.3,22.1,21.6,20.6,18.8,15.1
1943,13.3,15.9,18.1,20.1,21.9,21.6,21.7,21.6,21.7,21.2,18.5,14.7
1944,15.5,17,18.6,21.2,22.2,22,22,22,22.3,21.5,18.7,14
1945,14.8,16.8,18.5,20.8,21.5,21.8,22.4,21.8,21.6,20.4,19.2,15.8
1946,13.5,18.1,19.3,20.4,21.5,21.9,21.5,22.1,21.9,20.4,17.4,15.8
1947,17,16.6,18.4,20.2,22,21.7,21.9,21.9,22.3,21.8,18,14.6
1948,14.2,17.8,19.4,20.8,21.7,22.6,21.9,23,21.9,21.6,17.4,15.6
1949,13.7,15,18.5,20.5,21.4,22.4,22,21.9,22.3,21.8,19.3,16.4
1950,13.6,15,18.1,20.9,21.9,22.1,22.6,23.3,22.7,22.1,19.7,15
1951,14.3,15.3,18.8,20.8,22.2,22,21.9,22.7,22.4,21.8,19.8,16.5
1952,15.1,18.1,19.2,20.8,22.1,22.2,22.6,21.9,21.8,21.9,18.9,13.5
1953,15.4,17.4,18.2,21.1,22.1,22.3,22.1,22.3,22.1,21.2,18.8,15.3
1954,15.7,16.2,18.2,21.4,21.8,22,21.5,21.9,21.7,20.8,17.5,14.3
1955,12.9,15.8,17.9,20.6,21.9,21.8,21.3,21.5,21.7,21.1,17.6,12.2
1956,12.4,16.8,18.6,21.1,21.6,21.7,21.3,21.4,21.6,20.8,16.8,12.6
1957,13.9,15.4,17.5,20.9,22.9,22.5,22.2,22.4,22.4,21.6,18.2,15.6
1958,15.1,16.4,19.3,21.2,23.4,22.9,22.9,22,22.4,21.8,17.3,13.3
1959,14.3,17.3,18.1,22,22.2,22.5,21.7,22.3,22.2,21.9,19.4,17.9
1960,15.8,16,19.6,22.2,22.4,22.6,21.8,22.8,22.4,21.6,19.7,15.4
1961,14.5,17.8,18.4,22,22.4,22.7,22.4,22.6,22,20.6,18.6,14.9
1962,14.5,15,18.6,21.6,21.6,22,22.1,21.6,21.7,20.6,17.9,14.1
1963,11.4,15.9,18.2,20.6,22.6,22.7,22.2,22.3,22.5,21.4,19.8,15.9
1964,15.7,16.6,19,21.4,22.2,22.4,21.7,22.4,22.2,21.7,18.1,14.5
1965,13.5,17.4,18.3,21,22.4,22,22.4,22.2,22.1,21.6,19.2,17.7
1966,16.9,18,19.7,21.7,22.7,22.3,22.5,22.5,22,21.6,18.5,17.9
1967,16.1,16.1,18,21.2,22.5,22.8,23.1,22.8,22.2,21,18.4,14
1968,14.2,16.5,19.3,21,22.5,22,22.2,22.5,21.9,21,19.3,16.8
1969,18,17.2,19.7,22.4,23.2,22.5,21.5,21.3,21.2,20.8,17.5,13.8
1970,16.1,16.4,18.8,21.1,21.9,21.9,21.4,21.5,21.7,20.8,18.7,16.9
1971,14.1,15.5,19,20.8,21.9,22.4,22,21.7,21.9,20.4,16.3,16.4
1972,13.6,16.8,18,21,23,22.4,23.6,22.4,22.3,21.8,20.4,17.2
1973,14.7,17.3,20,22.5,22.1,22.7,22.9,22.1,21.9,21,18.3,14
1974,13.3,15.5,19,21.3,22.1,22,21.7,22.3,22,21.8,18.7,15.7
1975,17.3,16.4,19.7,21.4,21.7,22.3,21.6,22.4,21.6,21.4,18.2,13.6
1976,13.2,15.9,18.5,21.4,21.6,22,22.3,21.2,21.9,21.8,17.5,15.1
1977,16.4,16.2,19.5,21.8,22.4,23,23.1,22.5,21.9,21.7,18.1,14.9
1978,16.8,18.1,19.4,22.5,23,22.6,21.6,22.6,22,21.2,17.8,15.9
1979,17.4,18.5,19.7,22.6,23.4,22.9,23.4,22.9,22.2,20.8,17.1,15
1980,14.7,17.3,20.4,23.4,24.1,22.6,22.6,22,22.3,21.4,19.4,15.4
1981,14.2,17.2,18.9,21.3,22.3,22.4,21,21.8,21.4,21.3,19.5,14.9
1982,14.3,16.9,19,21.4,22.5,22.1,21.8,21.7,21.4,20.6,19.1,12.8
1983,14.1,16.5,18.5,21.8,22.8,22.4,21.7,21.7,22.1,21.1,17.9,14.5
1984,14.7,18.6,18.9,22.2,21.9,22.2,20.9,22.1,21.3,20.6,18.5,15.6
1985,16.5,17.6,19.2,21.8,21.7,22.3,21.1,21.9,21.2,20.9,19.5,14.8
1986,13.8,16.6,17.7,21.3,22.1,22.6,22,21.8,21.6,21.5,18.2,16
1987,15.8,16.6,18.8,21.4,22.4,22.7,23,21.9,21.7,21.1,20.7,13.2
1988,15.7,18.4,20.1,21,22.3,22.3,21.2,21.1,21.6,21,17.4,14.3
1989,16.9,16.6,18.4,21.7,22,21.6,21.6,21.6,21.2,20.9,18.2,13.4
1990,16.7,17.8,18.9,21.9,21.7,22.5,22.3,22.1,21.7,21.5,18.8,15.7
1991,16.8,16.6,20.2,22.3,23.1,22.9,23.5,22.7,22.9,21.6,17.3,16.5
1992,15.4,16.7,19.3,22.4,23.1,22.5,22.3,22.7,22.3,21,17.2,15.4
1993,16.1,15.7,20.1,22,23,23.1,23.4,22.5,22,21.6,18.4,15.7
1994,16.2,19.5,19.9,22.2,22.6,22.5,22.6,22.8,22.5,19.9,17.7,16.6
1995,16,16,19.8,21.9,22.5,22.5,22,21.4,22.8,21.5,19,14.9
1996,16.2,15.6,19.5,21.9,21.8,22.1,22,22,21.7,21,19.6,15.2
1997,14.8,16.3,18.9,20.4,22.5,22.5,22.3,22.7,21.4,21.6,19.4,17.2
1998,17,18.1,20,22,23.2,22.7,21.9,22.1,22,21.3,19.2,17
1999,17.2,17.6,20,21.1,21.5,22.2,22.1,21.6,21.7,21.1,19.9,15.1
2000,17,16.5,19.8,21.9,22.5,22,22.4,22.4,22.1,22.3,18.5,17.7
2001,18.4,17.1,19.6,23.4,22.1,22.4,22.4,22.5,22,21.7,17.1,16.8
2002,15.7,17.9,19.6,22,22.3,22,22.5,22.2,21.8,21.2,19.9,18.1
2003,15.3,16.6,19,22.1,22.1,22,21.7,22.3,21.8,21.3,19.1,14.7
2004,16,15.9,19.3,22.4,22,22,21.6,22.4,21.7,21.4,18.8,14.2
2005,15.9,18.9,19.3,22.4,22.5,22.7,22.1,22.5,21.9,21.6,19.5,16.5
2006,15.2,17.4,19.9,21.1,21.6,22.1,22.7,22,21.7,21.7,19.8,15.5
2007,15.7,16.5,19.8,21.5,21,21.8,22.2,22.4,21.9,21.2,17.7,16.8
2008,15.4,16.9,18.7,21,21.5,21.9,22,21.9,21.9,21.8,18.9,15.4
2009,13.8,17.3,19.3,21.3,22.2,22.4,22.5,22.7,22.4,22.1,18.7,16.7
