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