1901,18.5,19.7,16.9,17,14.6,13.6,12.2,13.1,12.6,14.4,15.7,17.1
1902,17.4,19.7,18.9,15.9,16,12.7,12.7,12,12.4,14.9,14.9,17.6
1903,17.9,18.6,17.7,15.5,14.2,12.2,11.5,11.8,13.2,13.6,15.2,17.6
1904,18.5,19.5,17.7,16.5,14.9,13.2,13.1,12.8,12.8,14.2,15.4,16.5
1905,18.7,18.8,17.9,16.8,13.4,11.7,13.4,11.1,13.2,14.5,15.5,17.4
1906,18.9,19.2,17.8,15.5,14.4,13.7,11.2,11.8,12.2,13.7,16.2,17.2
1907,17.8,19.3,18.3,16.1,13,12,12.6,12.9,13.2,13.6,14.7,16.8
1908,17.6,18.7,17.4,15.1,14.5,12,12.5,11.6,12.5,14,15.2,17.8
1909,19.1,18.3,17.3,17.1,14.5,13.3,12.3,12.3,13.4,14,15.6,16.2
1910,18.5,18.7,17.4,15.7,14.7,12.5,12.8,11.7,12.5,14.2,14.7,17.5
1911,18.4,20.1,18.2,16.1,14.9,12.2,11.4,12.3,13.5,14.7,16.1,17.4
1912,18.1,19.2,18,16.7,14,14.1,12.1,12,12.5,14.9,15.7,17.6
1913,19.3,19.7,17.8,16.7,15.1,13.7,11.6,12.9,12.5,14.4,16.5,17
1914,18.6,19,17.8,16.5,15.4,12.5,13,12.3,13.4,15.5,15.6,16.9
1915,19.8,19.9,18.7,15.7,14.5,12.6,11.2,12.6,13.1,14.5,16.4,17.8
1916,18.2,19.1,17.7,17.2,13.6,11.8,12.9,12.8,13.3,14.9,16.7,18.1
1917,18.5,20.1,17.8,16.6,13.6,11.9,12.1,11.5,12.7,14.4,15.6,17.9
1918,18.2,19.2,17.7,17.3,14.5,12.8,11.3,13.3,13.7,15.4,16.1,17.7
1919,18.6,19.5,19,17.5,15.1,13.1,11.8,13,12.3,15.1,15.9,17.9
1920,19.9,19.8,18.4,17.7,15.1,12.8,13.1,13.1,12.5,14.5,17.5,17
1921,17.6,20.7,19.2,16.4,14.6,13,11.2,11.7,12.3,13.9,16.5,17.7
1922,17.9,18.8,18.5,16.7,14.4,12.1,12.7,11.5,13.3,15,15.2,17.7
1923,18.4,19.3,18.4,16.1,13.7,12.2,11.9,13,12.9,15.7,16.8,17.8
1924,18.6,19.2,16.7,17,13.6,12.7,12.5,11.8,12.9,14,15.7,19
1925,18.4,20.7,18.5,16.5,14.5,12.1,12.5,13.7,13.5,14.4,16.1,17.2
1926,19.4,19.5,18.2,16.6,14.7,12.8,11.3,12.3,12.6,14.4,15.4,17.6
1927,19.1,19.4,17.8,17.1,14.2,13.2,13,13.6,13.9,15.3,17.3,17.9
1928,19,19.3,18.2,16.9,15.1,12.3,13.6,13,13,14.3,15.7,17.8
1929,18.7,18.9,18,16.8,14.8,12.7,11.9,13.3,13.3,15.1,16.4,18.3
1930,18.7,18.8,18.3,16.4,16.1,12.7,12.7,13,12.5,15.5,16.9,18.6
1931,20,20.5,19.6,15.8,14.7,12.5,11.8,12.9,13.5,14.6,17.8,17.9
1932,17.9,20,18.9,19.1,16.4,12.9,12.5,13.9,13.3,15.1,17.2,17.4
1933,19,19.1,17.8,17.5,14.8,11.8,12.1,11.7,13.5,15.6,16.9,18.8
1934,18.7,19.9,18,18.8,16.7,15,11.4,12.8,14.5,15.4,17.2,18.2
1935,19.2,19.6,17.2,17,13.9,12.8,11.8,12.8,12.8,14.9,15.4,16.8
1936,17.2,18.2,19.6,17.4,13.8,14.1,13.4,14.4,14.1,14.5,15.7,17.7
1937,19.2,21.2,18.5,17.3,15.2,12.8,12.8,14.1,13,15.1,16.7,18.1
1938,18.6,19,19,16.8,14.7,13.7,13.5,11.9,14.2,14.7,15.9,17.8
1939,19.1,19.3,18.4,16.3,15.7,14,12.8,12.8,13.8,15.7,17.1,18.3
1940,19.8,20.9,18,16.5,15.2,13.6,13.9,14.3,13.1,16.2,16.1,18.7
1941,20.1,20,19,17.1,14.8,12.9,13.4,14.2,13.1,15.4,16.1,18.4
1942,19.3,20.2,18.7,17.9,15.2,12.9,12.8,12.7,12.9,15.9,17.5,17.6
1943,18,18.4,19.3,16.8,14.2,13,11.9,12.5,13.8,15.1,16.8,18.3
1944,19.9,20.5,18.4,17,13.9,12.4,12.7,12.7,13.5,15.9,16.4,17
1945,18.5,20.3,18.3,18,15.9,13.1,12.1,12.8,14.5,14.4,17,17.2
1946,18.7,19.6,18.5,17.1,15.7,12.6,12.4,13.3,13.4,14.7,16.8,18.1
1947,19,20.8,18.8,16.4,15.1,12.1,11.6,13.6,13.7,15.5,17.3,18
1948,19,19.3,17.5,16.8,15.9,12.8,12.6,13,12.5,14.8,16.3,17.9
1949,19.6,19.4,18.8,17,16,14.6,13,13.1,13.9,15.3,15.7,18.1
1950,19.1,19.8,19.6,16.5,15.7,13.7,12.3,13.3,14.1,15.5,16.1,16.9
1951,17.5,18.8,17.8,17,15.5,13.4,12.2,13.2,12.8,14.2,15.9,17.4
1952,19.3,20,17.7,17.4,14.7,13.2,12.8,13.1,14.3,15.5,17.1,17.6
1953,19.9,20,18.2,16,15.5,13.4,12.5,12.9,14.6,15.3,16.3,18.4
1954,19,19.6,18.1,16.4,15.3,13.3,11.5,12.9,13.7,14.2,16.3,17.8
1955,19.2,18.5,18,16,15.7,13,12.7,12,12.9,13.8,15.6,16.9
1956,20.1,19,18.7,16,13.6,12.7,13.2,12.1,13.1,14.5,17,17.3
1957,20,19.8,18.2,16.3,14.7,12.7,12.3,13.4,14,14,16.6,19.3
1958,19.8,19.1,18.1,16.8,14.2,12.3,13.7,12.9,13.5,14.5,16.6,19.1
1959,18.6,19.6,18.1,16.4,14.4,13.7,13.2,13.5,14.2,14.7,16.9,18.1
1960,18.9,19.5,18.6,15.8,14.3,13.9,13.1,13.5,14.7,16.2,17.5,19
1961,19.6,19.5,19.2,17.2,14.3,14.2,13.6,13.7,14.3,13.6,17.3,17.7
1962,19.2,19.8,18.4,17.3,15.2,13.8,13.6,13.5,13.9,15.2,16.8,19.4
1963,20,20,17.7,15.6,14.9,14,11.9,13.5,15.4,15.8,17.4,18.7
1964,19.7,19.5,19.5,17.1,16,12.4,13.1,12.7,13.5,15,15.9,18.7
1965,19.5,20.2,19.4,17.5,14.9,11.9,13.2,13.4,14.2,14.6,15.9,17
1966,19.5,18.5,19.1,16.9,14.5,13.5,12.9,13.4,14.1,15.1,16.8,18.6
1967,19.3,20,18.6,16.1,15.3,12.8,12.2,12.9,14,15.3,17.6,19
1968,19.6,19,18.8,15.7,15.4,12,12.5,12.4,13.6,14.5,16.2,18.7
1969,19.7,20.1,19,16,14.7,13.1,13,13.6,14,15.5,17,18.7
1970,20.3,18.9,19,16.8,15,13.6,12.1,12.9,13.8,14.8,15.9,17.4
1971,19.3,19.6,19.1,16.6,15.1,13.4,12.3,12.1,12.9,15,16.1,18.3
1972,20.7,19.6,18.2,17.6,15.6,13.8,13.4,12.9,14.6,15.7,16.6,18.6
1973,19.6,19.3,18.8,17.4,14.6,14.4,13.8,12.7,12.9,15.9,16.9,18
1974,19.3,20.1,18.3,17.6,15.3,14.1,13,13.1,13.4,15,17.6,18.7
1975,19.6,20,18.3,17.9,15.8,14.5,12.9,12.8,14.8,14.9,16.7,17.6
1976,19.9,19.9,18.9,17.5,15.9,13.3,12.6,12.9,14.5,15,16,18.9
1977,20,20.7,18.7,18.4,14.9,14.1,13.1,13.8,14.6,15.5,17.3,19.3
1978,20.1,20.2,19.9,17,14.9,13.7,13.6,13.1,14,14.2,17.2,18
1979,18.9,20.6,18.8,18.6,16.1,13.8,13,13.4,13.6,15.9,17.5,18.8
1980,19.5,19.7,19.6,17.9,15.5,13.7,14.3,14.1,14.2,15.1,16.6,18.8
1981,19.6,19.7,18.3,17.8,15.7,12.5,12.6,12.4,14.1,15.2,17,18.3
1982,19.6,20.1,18.3,16,15.4,13.6,13,13.9,15.1,15.8,17,18.1
1983,20.1,19.7,19.3,18.3,15.9,13.7,13.6,14,14.5,16,18.1,20.1
1984,20.2,20.2,18.3,17.7,16.1,14.8,13.7,14.3,15.2,15.8,17.6,18.5
1985,20.4,20.2,19.1,18.5,16.5,14.7,13.2,15,15.4,16.8,17.8,18.5
1986,20.2,19.8,18.7,18,17.2,15.2,14,14.6,15.4,15.5,16.8,18.9
1987,19.7,21,19.9,18.1,17.3,14.3,14.6,14.6,15,15.8,17.1,18.8
1988,20.2,19.7,18.5,17,17,14,13.7,15.4,15,15.6,17.1,17.8
1989,19.8,19.8,19.4,17.7,15.6,13.8,13.5,14.2,14.5,15.1,17.1,19.1
1990,20.5,19.6,17.8,17.3,15.5,13.3,13.3,14.2,14.7,14.9,16.8,18.3
1991,19.7,19.9,19,18.5,16.5,13,13.5,12.9,14.8,15.7,17,19
1992,20,20.5,19.1,18.8,16,13.7,13.4,13.3,13.8,14.9,16.4,18.4
1993,19.9,19.9,19.5,16.7,15.4,13.8,14,13.3,14.3,15.3,17.5,18.1
1994,19.1,19.5,18.7,17.6,15.3,13.5,12.3,12.9,14.3,14.9,17,17.8
1995,18.1,20,18.2,15.5,15.3,12.7,11.9,13.5,14.5,14.6,16.9,17.8
1996,20.1,20.2,17.7,17.3,15.3,13.8,11.7,12.5,14.1,15.2,15.2,18.5
1997,19.9,19.7,18.2,16.2,15.3,12.8,13,13.9,15.1,16.5,16.8,18.3
1998,19.3,20.9,18.5,17.8,15.6,13.7,13.1,13.6,13.4,15.5,16.7,18.7
1999,20.7,20.2,19.1,17.1,15.7,14.5,14.2,14.5,13.6,16.2,17.4,20.7
2000,19.2,20.6,18.5,16.6,14.4,13.7,12.9,14.5,13.9,15.1,17,18
2001,18.6,19.4,18.1,16.4,16.1,13.8,13.1,13.7,13.9,16.2,17.3,18.8
2002,19.2,19.7,19.1,17.6,14.8,12.8,12.3,13.7,14.8,14.9,15.8,19.1
2003,19.6,21,19,18,15.7,13.2,12.7,12.2,14,15.7,17.4,18
2004,17.4,21,18,17.9,16.3,14.2,12.5,13.8,14.2,16,19,20.1
2005,20.2,20.5,19.3,17.3,16,12.9,14.3,13.3,14.9,16.2,17.6,17.8
2006,20.3,21.5,18.6,18,14.8,14.3,13.7,13.5,15.1,16.1,17.7,18.7
2007,20.9,20.8,19,18.2,16.1,14.3,13.4,14.2,15,15.9,16.8,19.2
2008,20.2,20.5,19.8,17.2,16.8,14.2,13.5,14.2,13.5,15.8,17.6,18.8
2009,20.1,20.7,19.8,18.7,16.3,14.6,14.4,14.6,14.1,16,17.5,18.2
