1901,15.4,18.5,21.8,23.6,23,21.9,21.2,20.8,20.8,20.6,17.7,15.7
1902,15.5,18.3,21.9,23.6,23,21.9,21.2,20.9,20.8,20.6,17.7,15.7
1903,15.6,18.5,22,23.6,22.9,21.7,21.2,20.8,20.8,20.6,17.7,15.7
1904,15.5,18.4,21.8,23.6,22.9,21.8,21.2,20.7,20.8,20.6,17.7,15.7
1905,15,17.5,21.5,23.6,23.1,21.6,21.2,20.7,20.8,20.5,18.2,16.2
1906,15,18.5,22.1,24.7,23.1,22.2,21.1,20.7,21.3,20.9,18,16.2
1907,15.4,17.8,21.8,23.6,23.5,21.9,21.3,20.9,21,21.2,17.8,15.2
1908,15.3,18.1,21.8,23.9,23.5,22.1,21.5,20.5,20.9,20.5,17.4,15.4
1909,15.4,18.9,22.8,23.8,22.8,21.5,20.7,20.3,20.8,20.1,17.8,15.7
1910,15,18.7,21.7,23.6,23.2,22.7,21.5,20.9,21.1,20.5,17.7,15.7
1911,15.2,18.4,22.1,23.7,23,22,21.2,20.8,20.8,20.6,17.9,15.4
1912,15.7,18.5,22,24.2,23.3,22.2,21.6,21.1,21.2,20.6,17.5,15.7
1913,15.6,18.5,21.2,23.5,23.3,22.5,21.9,21.6,21.7,20.6,17.7,15.7
1914,16.4,18.3,21.7,23.6,23.6,22.5,21.8,21,21.3,21,18.6,15.9
1915,15.5,18.5,22,23.7,23,21.9,21.2,20.8,20.8,20.6,17.7,15.7
1916,15.5,18.5,22,23.7,23,21.9,21.2,20.8,20.8,20.6,17.7,15.7
1917,15.5,18.5,22,23.7,23,21.9,21.2,20.8,20.8,20.6,17.7,15.7
1918,15.5,18.5,22,23.7,23,21.9,21.2,20.8,20.8,20.6,17.7,15.7
1919,15.5,18.5,22,23.7,23,21.9,21.2,20.8,20.8,20.6,17.7,15.7
1920,15.5,18.5,22,23.7,23,21.9,21.2,20.8,20.8,20.6,17.7,15.7
1921,15.5,18.5,22,23.7,23,21.9,21.2,20.8,20.8,20.6,17.7,15.7
1922,15.5,18.5,22,23.7,23,21.9,21.2,20.8,20.8,20.6,17.7,15.7
1923,17.2,18.3,23,24.1,23.5,22.2,20.7,19.7,20.9,21.1,18.8,16.8
1924,16.3,21.2,24,24.5,23.6,21.9,20.1,19.7,19.3,20.7,17.7,15.2
1925,12.5,17,22.6,23.6,22.7,21.4,21.1,19.9,20.7,19.9,18.7,16.1
1926,16.5,18.4,21.3,22.6,22.6,21.7,21.9,21.9,22.4,22.1,19.4,17
1927,16,19.4,22,23.4,24.1,22.2,21.3,20,22.3,21.3,18.6,17.2
1928,16.2,16.8,23.1,23.5,22.4,21.2,21.3,19.4,21.1,20.9,18.2,15.2
1929,14.4,18.8,22,23.5,23.4,20.4,19.5,19.1,19.8,20.3,18.3,13.7
1930,14.8,19.4,22,23.9,23.2,21.8,20.9,21.1,21.3,21.9,18.9,18.4
1931,16.3,20.2,23.3,25.7,23.9,22.2,21.3,20.9,20.5,22.1,19.6,18.1
1932,15.5,19.7,24.3,25.1,23.7,22.4,21.1,21.1,21,21.7,19.2,16.4
1933,16.4,19.1,22,24.5,22.8,21.1,20.8,20.5,20.8,20.4,19.8,16.9
1934,15.6,18.4,23.1,24.9,23.3,22.2,21.7,20.6,21.8,22.4,20,16.6
1935,17.4,19.8,24.3,24.4,24.2,21.4,21.7,20.5,21,20.5,19.6,17.4
1936,15.2,20.4,24.5,24.3,23.3,21.7,20.1,19.2,20.1,21.1,19.6,15.8
1937,15.3,18.8,23,23.8,23.1,22.5,21,20.9,21.2,22.3,19.1,17.1
1938,16.3,19.4,22.5,25.3,24.8,23.4,21.7,20.5,21,21.5,20.3,15.3
1939,16.8,20.1,23.6,22.9,23.3,22,21.6,21.1,20.8,21.7,18.8,17.8
1940,15.5,18.5,22,23.7,23,21.9,21.2,20.8,20.8,20.6,17.7,15.7
1941,18.6,19.4,24,25.5,24.2,22.8,20.8,21.5,21.7,21.4,18.5,16.8
1942,18,20.9,22.7,24.5,22.5,22.8,21.7,20.1,21.8,21.7,18.9,17.2
1943,16.6,18.9,22.2,23.5,22.3,21.8,21.2,20,20.2,21.1,19.6,17
1944,14.4,18.4,22,23.4,22.7,22.8,22,20.3,20.7,21.2,18.4,17.6
1945,17.6,17.2,21.1,23.2,22.2,22.8,21.6,19.6,20.8,20.8,18.4,15
1946,17.4,18.4,22.5,24.4,23.1,21.3,20.6,19.5,19.9,20.4,18.8,16.3
1947,16,21.5,21.8,23.7,23,22,21,20.7,20.7,21,17.6,16.7
1948,15.8,18.3,20.5,23.5,22.8,21.1,20.9,20.2,20.9,20.4,17.3,15.2
1949,15.9,18.5,22.6,23.9,22.9,22,21.1,20.6,21.2,20.8,18.6,14
1950,16.4,17.3,20.9,23.1,22.7,22.3,20.4,19.6,19.7,20,17.6,15.9
1951,15.5,17.5,21.8,22.9,23,21.6,20.9,20.8,20,20.3,16.7,14.8
1952,16.2,17.6,21.1,23.3,23.1,21.6,20.7,20.1,20.1,19.9,16.5,15.6
1953,15.6,18.8,22.9,21.6,21.8,21.2,19.8,20.2,20.6,19.8,17.1,14.5
1954,15.2,20.1,22.3,23.9,22.2,21.1,20.6,19.5,20.2,19.9,18.2,15.3
1955,15.4,18.2,21.8,23.4,22.2,21.2,20.3,20.2,20.2,19.9,17,15
1956,14.7,19.2,23.6,23,21.7,21.3,20.5,19.6,20.2,19.2,17.5,15.5
1957,14.3,16.7,20.4,23.6,22.2,21.4,20.1,20.4,20.3,19.8,18.8,16.4
1958,16.5,17.2,21.5,24,22.2,21,20.4,20.1,20.2,19.9,18.2,16.1
1959,15.7,17.8,22.1,23.8,22.5,21.6,21,20.3,20.8,20.5,17.1,15.7
1960,15.7,18.4,21.6,23.9,22.4,21.6,20.3,21.3,20.8,20.7,17.2,18.2
1961,16.4,17.2,20.4,24,22.5,22,20.7,22.1,21,20.6,16.4,14.4
1962,14.6,19,23,24.6,22.6,21,21,20.2,20.6,20.9,20,17.7
1963,16.4,20.8,21.5,24.1,23.4,22.2,21.7,20.9,21.3,21.3,18,16.1
1964,16.2,18,22.7,24.9,23,21,20.8,19.9,20.3,20.7,18.2,15.8
1965,17.1,19.4,21.2,23.6,22.5,21.7,21.5,20.1,21.3,20.1,17.1,15.6
1966,16.2,18.5,21.2,24.3,22.2,21,21.2,21.1,20.4,20.5,17.9,15.2
1967,14.7,19.2,21.7,23.5,22.6,21.9,21.3,20.9,20.1,20.4,17.4,17.3
1968,15.2,18.6,21.6,23.5,21.8,21.2,21.3,21.5,20.9,21.3,17.9,16.3
1969,15.2,19.2,23.6,25,23.3,22.4,21.7,21.7,21,21.1,18.6,16
1970,16.1,17.4,20.7,23.9,22.9,22.1,21.8,21.1,20.4,19.8,17,14.8
1971,15.1,18.5,23.3,23.1,22.2,21.5,20.7,20,19.7,19.5,17.2,15.6
1972,15.7,18.4,22.6,24.3,23.2,20.7,21.7,21.8,20.4,20.9,16.9,16.2
1973,16.6,19.6,22.3,23.6,23.1,21.9,21.2,21,20.9,21.4,17,16.1
1974,15.4,17.6,21.5,23.8,22,21.9,20.3,20.4,19.9,19.8,17.8,14.3
1975,14.4,18.2,21.9,23.5,22.9,21.2,20.7,19.9,20.3,20.3,18.2,16
1976,15.6,19,21.9,23.5,22.5,21.5,21.1,20.3,20.1,20.8,18.2,16.1
1977,16.9,18.4,21.4,23.6,22.8,21.6,21.4,20.6,20.9,19.6,17.6,14.7
1978,16.1,19.3,22.4,22.8,22.3,20.7,20.5,19.9,20,20.4,17.4,15.2
1979,16.3,20.7,23.6,22.7,23,21.6,20.9,21.2,21,20.7,19.3,14.2
1980,16.4,19.1,22.4,24,23.8,21.4,19.8,20.1,21.3,20.6,19.3,14.8
1981,13.9,18.2,21.9,23.1,22.8,22.2,20.9,20.7,21.2,20.8,16.9,15.4
1982,16.3,17.7,21.7,24.5,23.7,22.5,21,20.7,21.1,22,16.6,15.2
1983,14.3,18.6,20,23.3,23.6,22.7,22,21.8,21.2,20.5,16.9,16.1
1984,13.9,18.9,22.7,24.4,23.8,22.5,21.1,21.8,21.1,21.9,17.8,14.9
1985,17,17.9,23.5,22.7,23.8,22.7,21.4,20.7,21,20.9,17.7,16
1986,14.5,19.6,22.7,24.2,23.2,22.7,21,20.4,20.8,19.8,17.3,15.1
1987,14.6,18.5,22,21.8,23.7,22.7,21.8,21.6,21.4,21,17.6,15.8
1988,15.8,18.6,22.2,24.1,23.4,22.8,21.4,20.7,21.2,20.2,16.6,15.1
1989,13.2,15.8,19.6,21.7,22.1,21.8,20.8,21,20.8,19.9,17.1,14.6
1990,16.6,16.6,21.6,24,23.5,23.2,21.5,21.1,21.5,21.1,20.4,19.5
1991,16.1,20.3,22.8,25,22.5,22.8,21,21,21.6,20.8,17.7,16
1992,14.5,17.3,23.2,24.7,23,21.7,20.9,20.9,20.9,20.4,18.1,15.2
1993,14.6,17.8,22.5,23.7,24.1,22.3,21.4,21.1,20.7,21.1,19,16.3
1994,16,18.4,22.5,24.7,23.4,21.7,21,20.8,20.5,20.8,18,15
1995,14.8,17.2,22.2,24.5,23.4,21.9,22,21.4,20.9,21.1,17.8,16.9
1996,17.1,20.2,23.8,23.5,22.9,21.7,21.7,21.1,20.8,20.9,17.2,15.7
1997,16.5,16.9,22.6,23.7,22.2,22.1,21.8,21.8,21.8,21.8,19.6,16.2
1998,16.1,20.1,22.5,25.6,24.7,22.8,23.3,21.3,20.7,21.8,19.5,17
1999,16.6,20,23.6,24.4,23,22.3,21.1,20.9,20.8,19.7,19.4,15.7
2000,15.5,17.3,21.6,23.6,23.9,21.9,21.1,20.8,20,20,18.2,15
2001,14.6,18.2,21.6,24,23.2,21.8,21.5,20.3,20.2,19.6,19.9,17.1
2002,15.9,18.1,22.4,24.5,23.4,22.4,21.5,21.3,20.6,21,18.8,16.1
2003,16.2,20.5,22,24.5,22.8,21.4,21.9,20.9,20.7,21.6,19.2,15.7
2004,15.4,18.4,22.4,23.9,23.3,22.3,21,21.2,21,21.6,18.3,16.7
2005,16.3,21.1,24.5,24.6,23.5,21.4,21.5,21.1,21.2,20.9,18.3,17.2
2006,16.8,19.8,22.4,23.4,24,22.8,21.7,21.2,20.8,21,18.3,14.3
2007,15.2,18.9,22.3,24.6,23.9,22,21.9,20.5,20.5,21.6,19.2,17
2008,15.5,17.9,22.3,23.8,23.2,21.9,20.9,21,21.3,21.4,17.9,17.9
2009,17.1,20.4,22.8,24.7,24.3,22.3,21.6,21.6,21.8,22.5,19.3,16.8
