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