1901,17.2,17.1,16.5,15.1,12.8,10.7,11.4,11.2,12.4,13.7,14.4,15.6
1902,17.1,18,16.8,15.8,13.9,12.3,12.4,11.4,12.3,14.5,18.5,18.9
1903,16.7,18.5,18.1,14.7,12.2,12.5,10.6,11.7,13.4,15.2,16.9,18.5
1904,17.6,18.1,16.9,14.5,11.8,10.5,10.4,11.2,13.4,14.7,15.6,16.5
1905,17.2,18.4,15.8,15.2,14.2,12.1,11.3,12,13.3,15.9,16.2,18.5
1906,16.1,16.8,16.4,15.6,14.5,12.8,12.5,12.2,13.3,15.4,16.2,17.2
1907,16.5,17.2,17,15.2,12.1,12.6,10.6,10.4,14.2,14.4,15.9,18
1908,17.7,17.2,16.3,15.8,13.6,12.3,11.6,11.3,13.1,14.5,16.7,18.1
1909,18.2,19,17.6,15.3,12.4,11.3,11.5,11.6,12.9,13.8,15.4,16.5
1910,18.3,17.2,17.4,16.2,12.2,12.2,10.3,12.1,13.1,12.8,15,16.1
1911,18.4,18.2,16.1,15.7,13.7,10.6,10.2,10.9,12.6,14.3,17.7,17.7
1912,17.3,18.7,16.3,15.4,14.6,11.5,9.8,11.1,10.8,13.4,17.1,16.7
1913,17,17.9,17.3,15.6,13.5,11.2,11.7,11.9,13.6,14.9,16.1,16.3
1914,18,16.8,16.8,15.2,12.2,12.6,12.7,12.2,14,15.3,16.9,16.8
1915,18.4,18,16.5,16.8,15.6,11.2,10.5,11.8,13.7,14.3,15.2,15.6
1916,16.9,16.5,15.2,15,12.7,11.9,11.1,11.1,14.2,13.8,16,16.5
1917,17.6,17.4,16.3,14.4,10.8,9.5,9.1,10,11.8,12.9,14.3,15.5
1918,17.4,16.8,16,15.4,13.5,11.3,9.2,9.9,12.3,14.6,14.6,15.3
1919,16.4,16,15.5,15.1,13.3,11.4,11.2,10,13.6,15,16.6,16.5
1920,17.8,17.8,16.1,15.7,12.5,11.3,12.2,9.4,11.7,14.7,15.7,16.7
1921,17,17.8,16.6,14.4,13.1,10.6,9,12.5,12.2,13.7,13.8,16.5
1922,17.6,17.2,17.4,15.1,13.3,11.2,10.3,11.5,13,14.4,15.6,17.3
1923,17.3,17.3,17.4,16,13.7,11.5,9.4,11,12.6,13.9,15.4,18
1924,16.8,16.7,17,15.6,13.7,11.3,10.1,10,12.2,13,14.7,16.3
1925,17.3,17.5,16.2,16,13.2,9.6,8.6,11.8,12.7,13.2,15.9,17.3
1926,17.1,15.9,16.6,15,12.5,11.5,10.2,11.3,14,14.9,16.2,17.5
1927,16.9,17.1,16.8,15.6,12.6,11.2,9.2,11.1,13,14.3,16.1,16.5
1928,16.7,18,17.8,16.4,13.5,12.4,11,11.1,13.7,14.1,15.7,17.1
1929,17.7,17.8,16.9,13.8,12,11.4,9.7,11.1,13.9,15.6,14.6,18.6
1930,18,17.6,16.8,14.8,13.3,12.8,11.2,11.8,12.1,15.1,14.9,17
1931,17.7,16.8,17.2,15.8,13.4,11.3,11.5,10.7,12.4,14.3,15,16.7
1932,16.8,18.4,17.7,16.4,13.3,11.6,11.7,10.9,14.1,15.6,16.1,17.5
1933,17,17.6,16.1,14,12.2,9.6,9.8,10.2,12.5,13.8,14.1,15.7
1934,17.5,17.5,16.6,15.8,12.9,11.3,10.1,10.5,13.1,13.9,15.4,16.9
1935,16.7,17.6,17.1,14.1,12,11.4,11.6,11,12.7,14.9,15.2,17.3
1936,17.6,16.5,16.2,16.1,14.8,12.3,11.4,10.7,12.4,14,15.5,16.5
1937,16.2,17.5,17.6,15.3,12,10.8,11.8,11.9,12.4,13.8,14.6,15.2
1938,19.1,17.2,17,15.6,12.3,10.4,10.5,10.2,13.3,14.5,15.9,16.6
1939,17.3,18.1,17.3,14.9,13.6,11.5,9.4,11.9,11.6,14.3,15.7,16.4
1940,18.1,16.5,16.5,16.3,13.6,11.1,11.7,10.7,11.8,14,14.8,18.1
1941,18.4,19.7,16.7,17.9,14,10.7,10.7,12.7,11.6,15.3,16.5,18
1942,19.6,19.7,17.6,15.3,13.1,11.6,10.2,11.7,12.2,14.6,15.6,15.9
1943,16.4,17.1,16.9,14.5,13.8,12.4,10.2,9.6,11.7,15.5,16,15.9
1944,17.8,18.3,17.7,14.4,12.2,11,10,11.5,14.5,17.3,15.7,17.8
1945,18.2,18.8,16.9,14.9,11.7,10.7,11.2,13.2,12.5,15.3,16.1,17.1
1946,19.4,20.2,17.1,15.1,14.3,11.2,11.9,12.6,15.2,16.5,16.6,17.9
1947,18.5,19.4,16.4,14.7,14.4,12.5,10.9,11.4,13.5,14.1,15,17.2
1948,18.9,19.1,16.5,15.2,14,11.2,12.4,11.7,14.1,15.2,16.2,17.5
1949,18.3,17.6,18.6,15.8,13.2,12.8,10.8,11.9,13.3,14.9,15.2,16.9
1950,19.4,18.9,17.5,16.2,14.6,12.4,11.5,13.5,14.8,15.9,15.9,17.8
1951,18.4,17.7,17.2,14.1,13.2,10.5,10.2,10.2,13.1,16,16.8,15.4
1952,18.6,18.6,16.9,15.5,13.1,12.2,11.3,12.3,13.9,15.9,16.4,18.8
1953,18.9,18.4,17.7,16.4,13.7,11.7,10.8,11.5,14.9,15.6,16,16.7
1954,19,19.2,18,15.8,14.2,13.1,11.7,12,14.5,15.1,15.8,17.4
1955,18.3,18.5,17.1,15.3,14.1,11.9,11.8,11.6,14.3,14.6,15.1,18.6
1956,20.6,19.1,17.7,16.2,14,11.4,11.3,10.7,14.6,15.3,15.5,17.3
1957,18.8,18.8,18,16.2,12.9,11.6,11.5,12.6,14,17.1,16,18.1
1958,18.9,19.9,18,16.6,14.5,12.1,12.3,13.4,14.4,16.9,18.2,19.8
1959,19.7,20.5,17.6,18.6,15.4,12.4,12.8,12.8,16.2,17.1,17.1,18.2
1960,19.2,18.9,17.1,15.9,13.3,11.5,11.2,12.9,14.4,18,16.9,17.5
1961,19.2,19,18.3,17.3,14.6,13,12,12.9,17.4,18,17.8,18.3
1962,19.1,18.2,18.2,16,13.5,10.8,10.9,12.1,14.6,15.4,16.5,17.6
1963,20.2,18.8,19.4,16.6,13,11.9,11.3,12.4,16,17.6,17.6,18.5
1964,18.4,19,17.5,16.6,14.3,11.7,10.2,13,14.8,15.6,15.5,17.6
1965,17.9,18.8,17.3,16.7,14.7,13.7,11.7,12.9,15.7,16.2,17.4,20.2
1966,19.9,20.5,18.5,16.5,15,13,12.8,12.4,14.3,17.1,17.3,19.7
1967,19.3,20.1,18,16.4,14.4,13.1,11.8,13.4,14.8,18.1,16.7,16.8
1968,19.2,17.8,17.6,14.6,11.2,10.8,11.6,11.5,13.5,15.9,16.9,18.7
1969,19.8,20.3,17.9,16.1,14.9,12.8,12.2,12.7,14.7,15.3,17.7,17.6
1970,19.3,19.5,18.1,16.1,15.2,13.6,11.9,11.5,14.2,15,15.4,20
1971,19.3,19.4,18.7,16.6,14.8,12.5,12.1,12.4,13.1,14.6,15.6,17.6
1972,18.6,18.3,18.8,15.7,14.8,13.8,12.5,13.3,14.5,16.1,17.7,18.7
1973,19.9,20.3,18.4,19.1,14.8,14.3,14,13.2,14.5,15.4,16.2,18.5
1974,18.4,18.4,18,16.3,14.4,11.7,11.2,12.1,14.3,15.2,16.7,16.3
1975,17,18.2,18.3,14.9,12.7,11.7,10,12.8,13.5,14.6,15.7,17.2
1976,18.7,18.4,16.5,16.9,13.5,12.3,11,12.4,12.9,14,16.8,17.2
1977,18,19,18.5,16.9,14.4,13,13.9,13.5,14.2,15.9,16.6,16.8
1978,18.8,17.5,18,15.6,13.2,11.7,12.6,11.8,13.5,15.8,16.9,17.4
1979,15.8,17.2,16.8,15.2,14.4,11,11,13.1,12.8,15.8,16.7,18
1980,17.3,18.2,18.5,16.5,14.4,12,12.5,12.3,12.9,15.5,16,18.5
1981,18,17.6,17.4,15.8,13.6,11,10.8,12.3,14.7,14,17.6,17.6
1982,16.6,18,17,14.6,13,13,12.4,12.8,13.1,15.3,18.8,16.9
1983,18.3,18.5,18.1,16.4,15.3,12.6,12.5,11.4,12.3,14.3,17.1,17.9
1984,19.1,19.4,18.2,16.3,16.1,13.8,12.9,11.9,13.4,16.1,17,17.1
1985,17.3,18.9,19,17.4,14,11.2,10.8,13,13,15.4,16.5,16.8
1986,18.5,18.4,19,17.8,15.8,12.8,11.2,13.2,13.4,15.3,17.7,17.9
1987,19.1,18.4,17.9,18,13.8,11.8,12.9,11.9,12.6,16.1,17.8,18.6
1988,20.7,19.2,18.9,17.1,15.4,11.7,10.2,12,14.9,14.9,16,17.9
1989,18.2,18.8,19.2,18.1,13.8,12.5,11,12.2,13.7,13.6,17.3,17.7
1990,20.1,18.8,19.1,18.7,14.5,12.8,12.3,11.9,13,16.5,19,17
1991,17.6,18.4,18.9,17.2,15,13.7,12.1,12.2,13.2,14.7,17.7,18.8
1992,17.4,17.4,18.2,17.6,15.8,13.5,12.3,11.8,12.7,14.3,16.7,16.4
1993,18.6,17.1,18.2,17.3,13.9,12.4,13.5,12.1,13.9,16.1,17.6,16.8
1994,17.8,19.3,17.5,16.7,15.5,12.6,11.6,11.5,14.2,16.1,17.9,18.2
1995,19.5,18.9,18.4,16.9,14.6,12.7,13.4,14.5,14.1,14.7,17,16.8
1996,18.9,18.4,19,18.3,13.6,12.9,11.3,11.2,12.6,15.1,16.8,18.5
1997,18,18.6,17.7,16.6,13,12,13,12.6,15,18.2,19.1,20
1998,20.1,19.6,19.4,17.7,14.2,12.4,12.2,14.2,14.7,14.8,17.4,18.5
1999,19.1,18.6,18.7,16.9,13.3,12.6,12,11.6,14.3,13.3,16.5,17.5
2000,18.2,18,17.9,16.8,13.7,11.8,11.1,12.2,13.5,17.6,16.9,18
2001,20,20.5,19.2,18.3,15,13.6,13.1,12.5,14,16.3,17.5,18.1
2002,19.2,18,19.5,18.4,15.7,14.3,12.8,14.3,13.8,18.2,18,18.9
2003,16.7,20.3,19,17.6,14.8,14.5,13,12.5,14.4,16.4,17.6,18.9
2004,19.1,17.8,17.7,17.1,14.8,12.6,11.7,12.6,15.9,16.2,17.7,17.9
2005,19.1,19,18.6,18.1,15.1,13.5,12.6,13.7,14.3,17.7,16.4,17.4
2006,20.2,20,18.4,17.1,14,12.4,13,13.6,14,16,16.7,18.4
2007,19.1,18.9,19.6,17.8,14.5,13.9,12.9,13,15.1,17.3,17.6,18.9
2008,18.4,18.9,17.9,18.4,14.6,13.4,12.7,13.7,14.2,17.3,17.2,17.6
2009,19,19.4,19.2,17.1,15.1,13.1,13.7,13,15.7,16.3,19.2,18.2
