1901,17.1,18.4,17.4,16,14.6,12.9,12,12.3,12.2,12.5,13.2,15.1
1902,16.9,17.8,17.5,16,14.6,12.7,12.6,11.9,12.2,12.4,13.6,15.5
1903,17.3,19,17.6,15.5,13.9,12.5,12,11.5,12,12,12.8,14.4
1904,16.4,17.5,16.9,15.4,13.7,12.9,11.6,11.9,11.8,12,13.5,15.1
1905,16.9,18.4,17,15.8,14.3,13.3,12.3,11.9,11.8,12.5,13.6,15
1906,17,18.2,17.4,16.1,14.2,12.4,12,11.7,12,11.8,13.6,14.5
1907,16.7,17.3,17.6,15.4,14.2,12.8,11.8,11.7,12,12.2,13.5,15.3
1908,17.1,17.8,17.5,15.9,14.4,13.1,11.7,11.4,11.6,11.5,13,14.9
1909,16.6,17.5,17.4,15.3,14.4,12.1,11.7,11.3,12,12.2,13,14.8
1910,17,18,17.4,15.3,13.2,11.6,10.9,10.8,10.7,11.3,13,14.4
1911,16.8,18,16.5,15.3,13.4,12.5,11.9,11.7,11.5,12.4,13.9,16.2
1912,18.5,19.5,19,17.1,14,12.1,11.3,11.2,11.9,12.5,12.9,15.4
1913,17.7,18.1,18,15.9,13.7,12.2,12.2,12.1,12.1,13.6,14.8,16
1914,18.1,19.1,18,16.1,13.9,12.2,11.9,12.1,11.8,12.5,13.5,16.3
1915,18.5,19.9,18.7,17.2,14.7,12.5,12.3,12.1,11.4,12,13,15.7
1916,17.4,18.6,17.8,16.6,14,11.1,10.3,10.4,11.9,11.6,12.1,15.5
1917,17.5,18.6,18.4,16.6,14.5,13.1,11.5,11.4,11.2,11.7,13.7,14.4
1918,17.1,17.9,17.5,15.8,12.1,14.6,13.3,13.8,12.2,12.3,13.7,16
1919,18.2,19.4,18.1,16.6,15.1,12.2,11.3,11.4,11.9,12.3,13.5,15.1
1920,17.3,18.2,17.8,15.8,13.2,11.6,10.6,11,11.4,12.2,13.2,14.5
1921,16.4,17.5,17.1,15.3,14,10.5,9.9,10.8,10.8,11.4,13.4,14.9
1922,17.4,18.5,17.8,16.6,14.6,12.8,12.6,11.6,12.3,12.4,13.9,15.1
1923,16.9,18.1,17.7,15.7,14.6,13.2,12.6,12.3,12.7,12.3,14.1,15.5
1924,18.1,18.3,17.8,16.3,14.5,13,12.1,11.9,12,12.5,13.3,15.2
1925,16.9,17.5,17.2,16,14.9,13.3,12,12.9,12,13,14,16
1926,18.1,18.8,17.8,16.2,14.6,13.3,12.2,12.3,12.7,13.7,14.8,16.4
1927,18,18.7,18.3,16.2,14.5,13,12.2,12.3,12.9,13.7,14.8,16.6
1928,18.1,19.1,17.8,16.2,14.9,13.1,12.2,12.3,12.7,13.2,14.9,16.4
1929,18.2,18.8,18.2,16.2,14.6,13.1,12.2,12.1,12.5,13.2,14.5,16.4
1930,17.7,18.6,17.8,16.2,14.3,13.1,12.2,11.9,12.2,13.3,14.6,16.7
1931,17.3,18,17.8,16.5,14.2,12.9,12.1,12.1,12.5,13.6,14.9,16.2
1932,17.8,18.4,17.9,16.3,14.8,13.3,12.7,12.4,12.5,13,13.8,15.6
1933,17,18.6,17.7,16.2,14.4,12.9,12,11.8,12.3,12.9,13.8,15.5
1934,17.4,17.9,17.8,16.1,14.6,13.1,12.2,11.9,12.2,13.4,14.4,16.3
1935,17.7,18.6,18.1,16.1,13.8,13,12.2,11.9,12.5,12.8,14.2,15.8
1936,17.3,18.8,17.8,16.2,14.5,12.8,12.2,11.9,12.4,13.3,14.4,16
1937,17.8,18.4,18.2,17,15.1,14,13.4,13.3,13.2,13.4,15.1,16.6
1938,18.1,18.8,18.3,17.1,15.1,13.5,13,13,13.3,13.2,14.9,16.4
1939,17.9,18.7,18.3,17.7,15.3,14.4,13.4,12.1,12.9,13.9,14.5,16.1
1940,17.9,19.6,18.8,17,15.4,14,13.2,12.7,13.5,14.2,15.5,16.2
1941,18.5,19.4,19.2,17.2,16,13.6,13.1,13.2,13.7,14.6,16.2,17.4
1942,18.9,20.3,19,17.6,15.8,14.8,13.8,14.2,13.6,14.7,16,15.6
1943,19.2,20.1,19.3,17.7,15.4,14.5,14.1,13.5,14.2,14.7,16,17.2
1944,19.2,19.3,18.7,17,15.6,13.3,13.9,14.1,14,14.4,15.5,17.2
1945,18.6,19.2,17.4,17.9,16.2,13.3,12.7,13.7,13.7,14.6,15.8,15.9
1946,19,20.1,19.2,16.4,14.7,13,11.9,12,12.7,13.3,14.7,15.8
1947,18.7,19.8,19.1,17.4,15.8,12.9,12,11.7,12.2,12.6,13.9,14.5
1948,17.3,18.6,17.5,16.1,15.1,13.1,11.8,11.6,11.5,13,14,14.9
1949,18.5,18.1,18,15.9,13.4,12.2,11,11.4,11.2,11.5,13.6,14.6
1950,16.2,16.8,16.1,14.5,12.9,10.9,11.2,10.9,11.4,12.3,13.2,15.3
1951,16.9,16.1,16.2,15,14.3,13.8,13.7,13,12.6,13.4,14.3,14.9
1952,17.8,18.4,18,15.2,13.9,12,11.4,11.7,12.5,12.9,13.4,15.3
1953,17.2,18.1,18,16.6,14.3,12.7,12.3,12.3,13.3,12.9,14.2,15
1954,16.9,17.7,16.6,14.4,12.8,11.4,10.5,10.7,11.3,11.6,13.3,14.9
1955,17.3,17.7,16.7,14.8,13.4,11.8,11,10.7,11,11.9,13,15
1956,16,16.8,16.4,14.1,12.9,11.5,11,11.3,11.3,12,12.9,14.4
1957,16.2,18.1,18.2,17.1,15.9,14.5,13.6,12.7,12.8,13.5,15,16.6
1958,18.6,19,17.9,16.5,14.3,12.4,12.1,11.9,11.9,12.4,12.3,14.6
1959,16.3,17.6,17.5,15.9,14.4,12.9,11.8,11.6,12.2,12.9,14.2,15.7
1960,17.3,18.1,17.1,15.3,14,12.5,12.2,11.8,11.4,12.6,13.7,15.7
1961,17.9,18.4,17.7,15.4,14.1,12,10.9,11.7,12.3,13,14.2,15.3
1962,16.9,17.6,16.5,16.3,14,11.8,12.6,11.7,12.3,12.6,13.7,15.5
1963,17,17.7,17.1,15.8,14.6,12.2,12.4,12.4,12.4,12.6,14.1,15.5
1964,16.8,17.3,17.1,15.8,12.3,11.2,10.9,11.1,11.2,12.4,14.1,15.5
1965,17.3,17.3,18,16.9,15.2,13.8,12.2,13.1,12.5,13.2,14.1,15.8
1966,17.2,18,17.7,15.5,12.9,12.3,10.9,11.4,11.7,12.9,14,15.2
1967,16.7,17.8,17.1,16.7,14.4,12.1,11.5,11.1,11.7,12,13.4,14.4
1968,16.9,17.3,16.5,14.3,12.8,11.5,11.6,11.6,12.1,12.9,13.6,15.8
1969,17.3,18,18.1,16.5,15.8,13.8,11.6,11.8,12.9,13.5,14.7,15.9
1970,17.2,18.2,18.4,15.9,14.2,12.3,10.9,11.1,11.8,12.4,13.8,14.5
1971,15.9,17.1,16.4,15.2,13.3,12,10.5,11.3,11.8,12.8,13.9,15.1
1972,17.6,18.5,18,15.5,14.6,13.2,14,13.9,13.5,13.6,15,16.8
1973,19.3,19.5,17.9,16.2,14.2,12.5,11.5,11.3,11.5,12.1,13,14.4
1974,16.7,17.8,16.5,15,14.2,12.6,12.1,11.7,11.9,12.2,13.7,14.9
1975,16.5,18,16.2,15.7,13.8,12.3,11.3,11.3,11.5,12.2,12.9,15.3
1976,17.5,17.9,17.3,16.1,15.2,14.5,13.3,13.3,12.8,12.9,14.5,17.4
1977,18.5,18.9,18.4,16.9,15,13.4,12.9,12.3,12.8,12.7,14.9,15.4
1978,17.4,18.3,17.8,16.1,14.8,12.5,12,12.2,12.2,13.3,15.3,15.9
1979,17.8,18.1,18.7,16.5,14.6,13.3,12.7,12.9,13,13.6,14.4,16
1980,18.1,18.7,19,18,15.5,13.9,13.2,12.5,12.5,13.4,14.2,15.9
1981,17.4,18.6,18.4,16.6,14.6,12.4,12.1,12.7,13,13.3,14.6,15.8
1982,17.6,17.9,17.1,15.9,14.4,13.4,12.7,13.7,13.8,14.5,14.1,18.6
1983,19.6,20.3,20.7,18.8,14.9,15.5,15.5,14.3,13.8,14.1,15.3,16.9
1984,18.4,18.3,17.6,16.3,14.6,13.1,12.2,12.2,12.6,13.9,14.9,16.5
1985,17.9,18.1,18.2,16.4,13.4,13,12.2,12,12.8,13.5,14.7,16.3
1986,17.3,18.6,17.7,15.6,14,11.9,11.8,12.5,12.5,13.2,14.5,16.9
1987,18.9,19.5,19.2,17.5,15.7,13.8,13.5,12.8,13.2,14.3,15.3,16.5
1988,17.9,18.5,17.9,16.5,15.1,12.3,11.4,11.7,12.3,12.9,14.3,15.9
1989,17.4,19,17.8,15.7,13.8,12.9,12.2,12.3,12.7,13.7,14.5,15.9
1990,17.1,17.8,17.7,16,15.2,13,12,11.6,12.4,13,14.1,16.2
1991,16.7,17.8,18.6,16.4,14.9,13.4,12.5,12.5,13.1,13.9,15,16.6
1992,18.7,19.4,20.5,18.7,16.8,13.9,12.8,12.5,13,13.6,15,16.3
1993,18,19.1,18.7,17.2,15.9,14.5,13.3,13.1,13.3,13.6,14.6,15.8
1994,17.9,18.6,18.1,16.6,15.1,13.2,12.4,12.2,13.2,14.4,14.8,16.4
1995,18.6,19,18.2,15.8,14.5,13.4,12.5,12.3,13.1,13.1,13,15.2
1996,17,17.8,17.2,15.5,13.7,12,11.5,12.1,12.3,13.1,14,15.9
1997,17.9,18.2,18.4,17.2,16.9,16.2,13.1,11.9,12.6,13.6,14.4,17.3
1998,18.9,19.8,20.8,18.5,16.1,14.8,13.6,12.9,13,13.3,14.7,16
1999,17.7,19.3,18.1,16.1,14.5,12.3,12.2,12.3,12.7,13.8,14.3,16
2000,18.3,18.6,17.4,16.6,14.6,13.1,12.6,12.6,12.8,13.5,13.9,16.3
2001,18.2,19.3,18.6,16.9,14.5,12.7,11.5,12,12.5,13,14.3,15.6
2002,17.3,18.7,19.3,17.2,15.4,12.9,12.3,12.4,12.6,13.8,14.8,16.4
2003,18.4,19.4,19.2,15.5,14.3,12.4,12.6,11.5,12.4,13.8,15.3,16.8
2004,18.4,19.3,18.6,17.2,14.1,12.2,12.2,12.3,13.7,14.1,15.2,16.9
2005,19,18.7,18.7,16.5,14.3,12.9,12.4,12.4,12.9,13.2,13.3,13.1
2006,18.5,18.3,19.7,16.1,14.3,14.2,13.8,13.8,12.7,13.3,15.5,16.7
2007,19,18.4,18.4,16.3,14,12.2,11.8,11.7,11.9,12.2,13.8,15.1
2008,18.6,19.1,19,16.1,13.5,13,13.1,13.1,13.3,13.6,15.1,16.6
2009,19,19.2,19.2,16.5,15.1,13.5,12.5,13,13.3,13.9,15.1,16.4
