1901,16.5,18.8,18.9,20.4,22.5,23.9,23.6,23.9,23.7,22.6,18.6,16.6
1902,16.5,18.7,17.5,19.1,19,23.1,23.5,23.5,22.9,24,20.7,15.9
1903,14.8,18.8,20,19.4,20.8,23,24.5,23.3,22.8,23.3,21.5,16.7
1904,16,18.7,18.2,19.4,20,22.3,23.2,22.2,22.5,22.4,20.9,16.9
1905,16.4,18,18.3,18.5,19.4,23.1,23.4,23,23.7,23.1,19.7,17.7
1906,17.4,18.6,19.5,18.7,20.1,23.9,23,22.2,22.5,22.9,20.9,17.4
1907,16,17.3,18.1,18.3,18.6,21.8,22.7,22,22.4,22.1,18.7,15.9
1908,15.6,17,17.9,19.1,19.6,22.9,23.6,22.9,23,22.5,20.8,18.5
1909,15.8,17.3,19,18.8,20.7,23.4,23.9,23,23,22.8,19.7,18.3
1910,14.7,17.8,16.7,18.6,18.2,21.3,21.9,23,22.8,22.7,21.9,19.2
1911,15.3,16.8,14.7,16.8,17,20.2,22.7,22.6,22.7,22.8,20.2,17.5
1912,14.6,16.2,16.8,15.3,17.5,21.5,23.2,22.7,22.7,23,21.4,16.8
1913,15.3,16.8,16.8,17.7,17.5,22.3,22.2,22.7,22.4,22.7,21.3,18.7
1914,15.8,16.1,15.7,16.2,17.9,21.2,22.3,21.2,21.5,22.1,18.6,15.5
1915,15.7,16.1,15.8,17.3,17.9,23.4,23.7,22.5,22.4,24.4,21,18.7
1916,14.6,15.4,15.2,15.4,16.9,21.2,21.7,22.9,22.4,22.6,19.2,16.2
1917,17.6,17.9,19.1,19.1,20.2,22.6,24.6,23,22.5,22.4,19.1,16.6
1918,16.7,18.3,18.2,19.7,21.6,24.5,23.3,23.3,23.1,22.7,19.8,17.3
1919,16.5,19.6,19.7,19,20.2,24.3,24.1,24,23.4,23.2,22.5,17.8
1920,17.4,17.5,18,20.6,20.6,23.3,22.8,22.7,23,23.2,19.7,16.3
1921,14.8,15.3,15.5,18.1,18.2,22,21.7,22,23.3,22.8,19.8,15.8
1922,14.6,15.5,15.6,15.3,17.7,21.1,22.1,22.7,22.1,22.3,20.1,17
1923,14.6,16.8,14.9,17,18.7,21.1,22.2,22.3,22.6,22.4,19.6,17.7
1924,14.2,14.9,16.2,16.9,18.7,20.4,22.1,22.8,21.8,22.4,21.5,17.1
1925,14.3,15.3,15.2,16.3,19.4,20.9,22.9,21.7,21.7,21.2,21.1,18
1926,16.4,16.6,18.2,17.2,18.4,23.1,22.6,23.2,23.3,24.2,21.6,18.3
1927,13.8,17.5,14.7,17.8,18.4,21.3,21.9,22.5,22.6,22.1,21.1,17.4
1928,14.6,14.6,14.5,14.9,17.5,22.1,23,21.8,21.6,22.8,20.2,16.5
1929,15.5,15.4,13.9,14.7,16.4,21.7,22.9,22,21.2,21.3,19.8,17.4
1930,14.1,13.8,13.8,15.5,15,20.3,22.5,22.2,22.3,22.6,21.4,17
1931,14.6,15,15.1,16.7,17,20.6,22.3,23.9,22.6,23.7,20.6,16.6
1932,15.5,15.2,16,16.7,19.1,22.7,23,22.5,22.7,23.3,19.3,14.6
1933,14.7,15.6,15.8,17.8,17.7,21.2,22.1,22.5,22.7,21.3,18.5,17.2
1934,14.9,16.1,16.7,16.9,18.2,21.3,22,21.9,22.4,20.8,18,15.6
1935,14.5,14.6,13.6,15.6,17.5,21.3,22.9,21.7,22.3,20.5,18.5,17.5
1936,16.4,14.9,15.6,16.6,18.3,22.5,23.1,22.4,23.9,24.5,20.5,18.1
1937,16.8,18.5,17.8,17.7,19.5,23.1,23.2,23.3,22.9,22.8,21.9,19.3
1938,16.4,18.2,18.7,19,20.8,23.1,23.2,23.2,22.9,22.5,21.1,16.5
1939,15.7,16.3,17,18.2,19.6,23.2,23.2,22.7,22.8,22.1,20.2,17.7
1940,16,16.6,18.3,17.7,19.6,22.8,23.2,22.6,23.1,21.8,20.2,16.9
1941,15.9,17.2,17.6,18.9,20,21.8,23.2,23.6,23,23.2,21.2,17.3
1942,15.2,16.5,17.6,18.4,19.4,23.4,23.4,22.6,23.1,23,20.4,17.7
1943,14.7,16.6,16.7,19.2,20.4,23.1,23.1,22.4,22.5,22.4,20.3,16.6
1944,16,17.4,18.3,19.5,20.6,23.3,23.8,23.6,23.4,23.4,21.6,17.2
1945,16.8,18.2,19.7,20.9,20.2,22.7,23.3,22.9,23,23.5,20.8,19
1946,14.1,17,18,17.4,19.3,22,22.7,22.5,22.5,21.9,19.3,15.5
1947,13.6,15.5,18.3,18.8,18.6,21.6,23.1,22.9,22.5,22.6,19.1,16.8
1948,14.2,17.2,18.2,16.9,19.8,22.3,22.6,22.7,23.1,22.4,19.3,16.4
1949,14.6,17.2,16.6,19.3,17.7,22,22.6,21.4,23.2,22.8,20.2,17.8
1950,15.2,17.4,19,18.4,19.7,22,22.4,22.1,22.2,22.2,19.8,17.7
1951,15.4,16.6,16.3,17.4,19.3,22,22.8,23.1,22.9,22.1,19.5,15.7
1952,14.4,16.3,17,18,18.2,22.4,22.4,22.7,22.1,22.4,20.3,16.6
1953,16.9,17,17.2,16.9,18.2,21.5,22.1,23,22.7,22.4,20,17.2
1954,15.5,15.1,17,18.2,19.8,22.2,22,22.2,22.7,22.6,20.9,17
1955,15.7,16.9,16,18.9,19.9,22,22.1,22.3,22.2,22.5,20.3,16.8
1956,16,16.1,16.5,16.8,18.7,21.7,22.2,22.1,21.8,21.9,20.1,16.4
1957,15.2,16.9,16.1,17,17.2,21.3,22.6,22.3,22.2,22.2,20.1,17.3
1958,15.1,17.2,17.7,19,19.8,22.4,22.7,21.8,22.7,21.9,20.2,16.9
1959,15.1,17,16.5,16.6,18.2,21.6,22.6,24,22.5,22.4,19.5,15.8
1960,14.8,16.8,16.8,17.5,18.5,21.9,22.4,23.3,22.6,22.3,19.6,16.7
1961,15.4,17.1,17.4,19.6,20.3,22.3,22.5,22.6,22.7,22,19.3,15.7
1962,14.9,17.9,18.4,18.3,19.8,21.6,22.9,22,22.1,22.1,20.9,16.7
1963,15.4,17.4,18.2,17.4,18.6,22.2,23,22.7,22.9,21.8,19.9,15.7
1964,15.4,18,16.5,18.4,21,22.7,22.5,22.3,21.8,21.9,19.4,15.9
1965,13.1,15.9,17.4,18.1,18.9,21.8,22.7,22.7,22.1,22.3,20,15.8
1966,14.3,16.9,17.4,17.9,19.9,22.1,23.4,23,22.1,22,20.5,16.9
1967,15.4,16.5,16.6,17.6,18.5,21.8,22.5,22.4,21.9,21.9,18,15.6
1968,13.7,15.7,15.4,15.5,18.7,20.7,22.7,23.4,22.2,22.5,20,16.6
1969,16,17,17.3,20.4,20.4,23,23.1,22.9,22.5,22.7,19.1,15.6
1970,14.8,16,17.5,18.2,19.3,22.9,23.4,22.4,22.6,21.9,20.1,17.1
1971,14.8,15.8,15.8,17.4,18.3,21.6,22.5,22.3,22.4,21.8,19.4,16.1
1972,15.3,16.7,17.4,16.8,17.9,22.2,23.1,23.5,22.9,22.7,20.9,17.1
1973,16.2,18.1,17.2,19.5,19.7,23.4,23.1,22.8,22.8,22.7,19.8,16.9
1974,15.5,16.9,20.4,16.9,18.2,21.8,22.6,22.8,22.3,21.8,18.7,15.7
1975,15.2,15.9,15.9,18.6,17.4,22,22.4,22.4,21.5,22.7,18.2,15.4
1976,15.2,16.3,17.3,17.6,17.8,21.7,22.2,22.6,22.3,24,21.4,16.5
1977,15.7,17.1,17.7,18.3,18.2,22.5,23.1,23.2,22.7,23,19.6,19.2
1978,17.6,17.2,17.6,17.8,19.7,22,22.4,22.6,21.9,21.8,20.4,16.5
1979,15.4,16.7,17.1,17.8,19.6,21.8,23,23.1,22.3,22.9,21.5,18.3
1980,16.1,17.1,17.2,18.9,18.8,21.9,22.9,23.2,22.6,22.5,20.8,17.8
1981,16.2,17,17.8,18.8,20.1,23.3,23.3,23.3,22.9,22.8,20.9,17
1982,15.6,17.2,17.2,18.4,18.9,22.5,23.6,23.1,22.6,21.3,19.2,16.5
1983,15.2,18.1,18.9,18.2,20.2,23,23.6,23.8,23.1,23,20.3,18.1
1984,17.1,17.5,16.3,18.4,20.5,22.5,22.6,22.7,22.5,22.2,19.3,17.7
1985,16.2,17.7,17.9,18.1,17.3,21.6,22.4,22.6,21.7,22.5,20.3,17.6
1986,15.6,17.2,18,18.8,20.4,22.3,23.3,23,22.9,23.1,20,17.3
1987,15.5,17.3,17.9,19.4,21.3,23.3,24.6,24,23.6,23.3,20.6,18.5
1988,15.7,17.4,19.1,20,19.5,22.7,23.5,23.1,23,22.8,20.2,17.4
1989,16.1,17.8,17.2,19,19.6,22.4,23,23.2,22.7,22.4,20.7,17.4
1990,16.7,18.4,19.3,19.2,20.7,22.1,23.8,23.9,23.7,23.1,20.8,18.7
1991,16.1,17.3,17.9,18.3,17.4,22.9,23.1,23.4,23.4,23.1,21.7,19.2
1992,16.5,17.8,18.8,19.4,19.7,22.6,22.6,23.3,22.7,22.3,20.6,18
1993,16.9,17.9,17.5,18.8,20.9,22.6,23.2,23.4,23,22.3,19.7,18
1994,14.8,17.9,18.5,18.8,22.9,22.9,24.4,22.8,22.9,23,21.4,18.3
1995,15.9,17.5,17.1,18.4,19.5,22.3,22.8,23.3,23.1,22.4,20.1,19
1996,16.4,16.9,17.3,17.7,17.9,22.9,23.4,23.3,23.5,23.7,21.1,18.5
1997,17.4,18.5,19,18.4,21.1,22.8,23.6,23.8,23.3,24.5,21.9,17.5
1998,16.9,19.7,19.8,19.8,20.9,22.7,23.4,23.4,23.2,23.2,20.9,18.3
1999,16.3,17.9,17.3,17.1,20.2,23,23.9,23.6,23.3,22.9,21.8,18.2
2000,16.9,17.7,18.2,20,19.4,22.4,23.2,22.8,22.9,22.9,21,17.5
2001,15.1,16.9,18.3,18.3,18.4,22.6,23.1,23.6,23.2,23.5,22.3,20.1
2002,16.9,18.7,16.9,17.6,18.9,22.8,23.9,23.7,23.4,23.8,20.9,18.6
2003,16.4,17.3,18.2,18.7,19.1,22,23.1,23.3,22.9,23.2,20.8,17.7
2004,16.3,17.5,18.3,19.2,19.4,22.1,22.9,23.3,23.4,23.5,21.2,18.1
2005,17.4,17.5,19,19.4,21.7,23.9,23.7,23.9,23.5,23,20,18.2
2006,16.5,17.2,17.9,18.6,20.7,23.4,23.5,23.7,23.1,23.1,20.3,16.3
2007,16.5,18,18.5,18.2,19.8,22.4,23.4,23.3,22.8,23.2,20.2,17.8
2008,16.8,18.7,18.8,18.7,20.5,23.1,23.3,23.1,23.2,23.6,20.1,16.7
2009,15.1,16,17.5,17.8,19.3,22.8,23.7,23.4,23.2,22.5,21.2,17.1
