1901,16.8,16.7,16.5,15.2,12.7,10.5,10.5,11.1,12.6,14.7,15.3,16.1
1902,16.7,17.5,16.9,15.9,13.6,11.9,11.4,11.1,12.5,15.2,18.6,18.8
1903,16.3,17.7,17.8,15.2,12.4,12,10,11.4,13.3,15.7,17.3,18.4
1904,17,17.5,16.7,14.9,11.9,10.2,9.5,10.8,13.2,15.2,16.3,16.7
1905,16.6,17.6,15.7,15.2,14,11.6,10.4,11.7,13.3,16.4,16.9,18.3
1906,15.9,16.4,16.5,15.6,14,11.8,11.3,11.8,13.2,15.9,16.9,17.4
1907,16.2,16.7,17.1,15.4,12.4,12.1,9.6,10.3,14,15.2,16.6,18
1908,17.2,17.1,16.5,15.9,13.6,11.8,10.8,11.1,13.2,15.2,17.2,18.1
1909,17.5,18.2,17.6,15.6,12.5,11.1,10.6,11.3,12.9,14.7,16.2,16.8
1910,17.5,16.9,17.2,16.2,12.1,11.6,9.6,11.8,13.2,13.9,15.9,16.4
1911,17.5,17.3,15.9,15.6,13.3,10.3,9.5,10.7,12.7,15,18.1,17.9
1912,16.8,17.7,16.1,15.3,13.9,10.8,9,10.6,11,14.2,17.5,17
1913,16.8,17.3,17.3,15.6,13.2,10.5,10.4,11.2,13.3,15.5,16.7,16.6
1914,17,16,16.7,15.3,12.3,11.9,10.9,11.2,13.4,15.9,17.1,16.6
1915,17.3,17.4,16.6,16.6,14.6,10.2,9.5,11.2,12.9,14.8,15.8,16.3
1916,16.7,16.3,15.5,15.1,12.8,11,9.4,10.5,13.3,14.3,16.5,16.3
1917,16.4,16.5,16.3,14.5,10.9,9,8.5,9.4,12.1,14.4,15.1,16
1918,16.8,16.2,15.8,14.9,12.9,10.6,8.6,9.7,12.3,15.1,16,16
1919,15.8,16.1,16.3,15.7,14.1,11.7,10.1,10.5,11.4,15,16.1,16.7
1920,16.9,16.7,16.2,15.4,12.4,10.5,10.2,9.2,11.7,15.2,16.4,16.9
1921,16.7,16.9,16.9,14.9,13,9.8,8.5,11.6,12.2,14.6,15.3,17.1
1922,16.9,16.7,17.1,15.7,13.2,10.8,9.6,11.2,12.8,14.8,16,17
1923,16.8,16.6,16.9,15.9,13,10.6,8.8,10.6,12.5,14.7,16.2,17.8
1924,16.4,16.7,17.3,15.8,13.3,10.6,9.4,9.9,12.6,13.6,15.9,16.5
1925,17,17,16.4,16.5,13.1,9.7,8.3,11.5,13,14.6,16.9,17
1926,16.9,16,16.7,15.4,12.3,11.1,9,10.8,13.5,15.3,16.9,17.3
1927,16.5,16.4,16.9,15.9,12.4,10.2,8.7,10.6,13.1,14.9,17.1,16.4
1928,16.7,17.4,17.4,16.8,13.1,11.2,10.1,10.5,13.4,15.3,16.8,17
1929,17.5,17.3,17.1,14.3,12,10.9,9.4,10.8,14,16,15.8,17.3
1930,16.7,16.8,16.9,15.1,13.4,12.1,10.2,11.3,12.5,15.4,16.5,16.9
1931,17.5,16.7,17.2,15.9,13.1,10.5,10.4,10.7,12.3,15.2,16.2,17.5
1932,16.4,17.8,17.2,16.5,13.3,11,10.5,10.6,14,15.9,17.2,17.3
1933,16.7,17.2,16.1,14.5,12.2,9.5,8.9,10.5,12.9,15.1,15.5,16.5
1934,16.7,17.2,16.4,15.9,13,10.6,9.1,10.6,12.9,14.7,16.6,17.1
1935,16.3,16.4,16.3,14.5,11.5,10.7,9.9,10.1,12.1,15,15.9,17.1
1936,16.5,15.6,15.7,15.3,13.7,11.3,9.6,9.7,12,14.9,15.8,16.7
1937,15.7,16.9,16.8,14.8,11.5,10.2,9.9,10.7,12.1,14.4,15.8,15.9
1938,17.8,16.7,16.6,15.4,12,9.8,9.1,9.9,12.7,14.8,16.1,16.8
1939,16.5,16.8,16.2,15.1,12.9,10.5,8.2,11.2,11.6,15,16.6,16.9
1940,17.2,16.1,16.7,16.1,13.4,10.5,10.7,10.8,12.2,14.8,15.9,18.2
1941,18.5,19.2,16.8,17.4,13.4,9.9,9.9,12.3,11.5,16,16.8,18.3
1942,19.1,19.1,16.7,15.7,12.9,10.8,9.5,11.5,12.6,15.8,17.1,16.4
1943,16.5,16.8,16.8,14.7,13.6,11.5,9.5,10,12.3,16.6,16.9,16.7
1944,17.1,17.7,17.4,15.2,12,10.4,8.8,11,14.4,17.5,16.5,18.1
1945,17.9,17.9,16.7,15.5,11.8,10,10,12.6,12.8,16.1,16.8,17.6
1946,18.8,19.2,16,14.8,13.8,10.1,10.7,12.1,14.8,17.3,16.7,18.3
1947,17.7,18.8,16.1,14.7,13.8,11.6,10,11.1,13.9,15.2,15.2,17.7
1948,17.2,18.3,16.2,15,13.7,10.1,11,11.5,13.9,16.1,16.5,17.7
1949,15.7,15.3,17,14.5,11.9,11.1,9.4,10.1,13.4,13.5,15.9,16.9
1950,17.1,16.9,16.2,15.3,11.3,10.9,9.3,11,11.8,16.4,16,16.4
1951,16.6,15.8,17.2,13.6,12.2,9.4,8.9,10,14,16.6,16.8,16.1
1952,17.1,17,15.6,15.7,11.8,11.3,10.2,10.9,13.8,15.9,16.7,17.1
1953,18.2,17.2,15.7,15.4,12.8,11.2,9.7,10.9,13,15.9,16.4,16.5
1954,18.1,17.6,17.2,15.7,13.2,12.1,10.1,11.1,14.2,16.5,16.4,16.6
1955,16.8,16.2,16.5,14.8,12.7,11.1,10.4,13.2,14.2,14.9,15.1,17
1956,18.4,17,16.4,15.4,15.5,9.6,9.7,10.5,13.6,15.6,15.7,16.7
1957,17.1,16.6,16.9,14.8,12,10.6,10.1,11.3,13.6,16.1,15.5,16.3
1958,17.4,18.9,16.4,18,12.8,11,10.5,11.8,13.4,15.5,17.9,18.3
1959,17.6,19.1,16.8,17.4,14.9,11.3,11.3,12.3,14.3,16.4,17,17.5
1960,17.3,17.8,17.1,15.1,13,10.8,9.8,11.8,13.5,16.2,16.4,17.3
1961,16.7,17.6,17.2,16.6,13.5,11.8,10.7,11.9,16.4,16.2,18.3,17.3
1962,17.6,17.4,17,16.4,12.8,9.9,10,11.7,13.6,14.5,17.1,16.8
1963,18.9,17.6,18.6,17.4,12.8,11.1,10.7,12.1,15.1,18.5,19.3,18.7
1964,17.7,17.8,17,16.7,13.4,11.3,9.5,11.3,13.3,15.1,15.4,16.4
1965,16.6,16.8,16.7,16.2,14.3,12,10.8,12.1,15.2,15.1,16.3,19.7
1966,16.5,17.6,17.1,16.4,13.5,11.6,10.7,12,13.2,16.4,18.5,18
1967,18,19,17.5,15.9,13.7,12.3,10.8,11.9,13.9,17.6,17,16.3
1968,17.9,16.4,17.1,14.6,11,9.4,9.2,9.7,12.1,14.9,17.3,17.1
1969,18.7,17.9,17.1,16.1,13.5,11.3,10.7,12.6,14.6,14.7,17.4,16.7
1970,17.4,17.2,17.4,15.4,14.2,12.1,10.1,10.9,13.2,15.8,16.5,20.2
1971,15.7,18.5,18.1,16.7,13.9,12,10.8,11.6,12.8,14.3,15.9,17.7
1972,18.1,18,18.8,15.8,14.5,12.9,12.3,13.6,14,17.5,18.6,19.2
1973,20.2,19.8,18.9,19.3,15.3,14.3,13,13,15,16.4,17.6,18.2
1974,18.2,18,17.6,16.1,14.1,10.9,9.6,11.3,14.6,16.2,16.9,16.7
1975,17,17.4,17.6,14.9,12.5,11,9,11.5,13.3,15.7,16.1,19
1976,18.3,17,16.1,16.2,13.5,12,10.6,12,13.5,15.4,17,17.2
1977,17.4,17.9,17.9,16.5,12.5,11.7,11.1,12.8,14.2,16.6,17.6,17.8
1978,18,16.8,18,15.7,13.5,10.7,10.9,11.4,12.8,16,17,17.1
1979,16.1,16.6,16.5,15,13.5,9.8,9.5,12,13.4,16.5,17.2,19.1
1980,17.6,17.5,16.9,16.1,12.5,12.2,12.4,13.4,13.3,19,17.3,18.8
1981,17.2,18,18,15.3,14.2,10.3,9.5,11.1,14.1,14.5,17,19.7
1982,16.8,18.6,16.8,13.5,12.4,12,10.8,12.1,13.1,17,18.6,17.5
1983,17.9,17.6,17.7,16.4,14.6,13,11.6,11.3,13.7,15.4,16.9,17.5
1984,18.9,19.3,18.3,16.3,15.3,12.8,11.4,11.7,13.2,16.6,17.8,18.1
1985,17.2,18.4,18.1,16.4,14,9.7,9.7,11.7,13.4,16.7,17.2,17.3
1986,18.1,18,18.9,17.4,14.8,11.7,10.8,12.9,13.4,17.5,17.8,18.2
1987,19.1,18.9,18.2,17.3,14.4,12.1,11,12.7,14,17.5,18.2,17.5
1988,20,18.5,19.8,17.3,15.6,11.8,10.1,11.3,14.7,16.9,16.4,18.8
1989,17.8,18.8,18.6,17.9,14.1,12.2,9,11.7,14.9,16,17.3,17.5
1990,19.4,18.4,19.3,18,14.3,12.1,12.2,11.5,13.1,16.7,19.4,18
1991,17.5,18.1,17.9,16.5,14.5,12.5,11.1,11.4,13.3,15.6,17.9,18.3
1992,16.9,16.6,17.7,17.6,15.3,12.5,11.2,11.9,12.8,15.3,17,16.9
1993,18.3,16.9,18.2,17.4,13.7,11.6,11.8,12.1,15,16.9,18.3,17.6
1994,17.7,19.1,17.3,16.5,15.3,12.1,9.3,11.8,14.1,17,18.3,18.4
1995,20.1,19.6,18,16.6,14.8,11.4,11.8,14,13.9,16.5,16.9,17.1
1996,19,17.9,18.4,17.7,13.3,11.5,10.7,11.2,13.3,15.9,16.2,18.1
1997,18.2,18.2,16.9,16,12.4,10.8,11.3,12.4,15.9,17.8,19.6,19
1998,18.9,18.6,19.2,17.8,14.5,11.6,11.6,13.8,15.5,16.3,18.2,16.7
1999,18.4,18.3,18,17.2,13.4,12.1,12,11.3,14.1,15.3,17,18.4
2000,18.3,18.6,17.4,16.4,14.4,10.2,10.7,12.2,13.1,18.2,17,18.5
2001,19.1,19.8,18.7,18,14.9,12.8,11.9,11.5,13.6,16.3,17.7,18.2
2002,18.4,17.1,19,17.8,15.3,13.2,12.1,13.5,13.7,18.2,18.2,18.9
2003,15.3,19.2,18.5,17.5,14.4,13.5,11.6,12.4,14.4,16.8,18,19.1
2004,18.7,17,17.9,16.5,15,11.8,10.3,12.1,15.3,16.9,18.2,17.9
2005,18.5,18.6,18.2,17.8,14.4,12.4,11.2,13,14.3,18.3,16.5,17.3
2006,19.4,19.3,17.8,17,13.8,11.4,11.2,13.1,13.7,16.3,16.9,18.2
2007,18.4,17.7,19,17.4,14.2,12.8,12,12.3,14.4,17.6,18.3,18.8
2008,17.6,18.1,17.4,18.7,14.2,12.7,11.1,13.1,14.1,17.8,17.5,17.5
2009,18.3,18.5,18.6,17,14.4,12.7,12.9,12.5,15.8,16.8,19.1,18
