1901,20.6,19.9,20.1,18.8,17.4,15.9,15.2,14.5,15.4,17.2,20.1,19.2
1902,20.8,20,19.5,19.7,18,15.9,15.7,14.8,17.3,17.8,19.5,19.8
1903,20.1,19.8,20.2,19.5,18.4,16.8,15.1,15.4,14.9,16.8,18.9,19.5
1904,19.5,19.7,19.8,18.8,18.1,15.7,14.7,15.4,15.1,18.1,20,20
1905,20.3,19.9,19.6,18.4,18.2,17.1,15.1,15.7,15.2,18.2,18.6,19.5
1906,21,20.2,20.6,19.5,17.8,15.9,15.1,15,15.7,17.1,18.8,19.5
1907,20.1,19.9,19.4,19.1,17.8,16.1,14.2,15.3,16.2,18.7,19.2,19.1
1908,20.3,19.7,20.3,19.3,17.2,16.5,15.2,15.8,16.8,18.7,19.7,19.4
1909,19.8,19.9,19.8,19.1,17.3,15,15.9,15.3,16.8,16.8,19.3,19.2
1910,20.2,20,19.8,19.4,17.4,15.3,14.9,15.4,16.3,18,17.8,19
1911,19.9,19.3,19.5,18.1,17.2,15.6,15.4,15.3,16.2,18,18.9,20.6
1912,20.6,19.6,20.6,19.5,18.3,16.2,15.2,15.8,17.3,18.1,20.1,19.8
1913,19.6,19.6,20.5,18.4,18.6,15.7,14.8,16.1,16.5,18.6,19,19.3
1914,19.7,20.4,20,19.4,17.9,16.5,15,15.8,16.6,17.8,18.5,20.5
1915,20.3,20.2,20.1,19.8,18.1,15.9,15.8,14.8,15.8,18.7,19.2,19.7
1916,20.2,19.7,20.1,19.4,17.5,15.8,14,15.5,16,17.7,18.1,18.5
1917,19.5,18.8,19.3,18.9,18.4,16.3,15.7,15.4,15.7,16.1,18.6,18.6
1918,20.3,19.5,19.7,18.6,17.4,16.2,14.8,15,16.1,18.1,19,19.8
1919,20.2,20.1,20.1,18.4,16.7,15.8,14.4,16.3,17.3,17.7,19.8,20.2
1920,20,19.7,19.7,18.3,17.8,15,14.2,15.5,17.3,18.6,18.7,19.1
1921,19.7,19.7,19.3,18.4,17.5,15.7,15.1,15.4,16.3,18.3,18.9,19
1922,19.3,19.6,19.8,17.7,17.4,15.3,14.3,15.3,15.5,17.3,19.1,20
1923,20.5,20.1,20.4,19.6,18.3,16,15.8,14.9,16.8,18,19.7,19.8
1924,20.2,19.9,20.5,18.9,18.2,16.1,15.6,15.8,16.5,17.5,19,19.4
1925,19.9,19.9,19.7,19.5,17.2,17.1,16.1,15.1,17.6,18.2,19,19.8
1926,20.8,20.5,21,20.3,18.5,17.3,15.8,16.1,17.4,18.3,20.1,20.1
1927,20.1,20.2,19.7,19.3,17.9,16.1,14.7,15.8,16.5,18.1,19.1,20.4
1928,19.6,20.3,20.4,20.1,18.6,15.8,15.2,15.6,16.3,18.3,19.4,19.7
1929,20.6,19,20.8,19.7,17.8,16.6,15.9,15.7,16.5,18.9,19.6,19.4
1930,19.5,20.3,19.8,19.2,16.9,15.6,14.9,14.7,17.4,17.5,19.5,19.9
1931,19.5,19.7,19.5,18.8,17.3,15.5,15,14.9,15.3,16.6,18,19.2
1932,20.2,19.6,20.1,18.5,16.7,15.7,15.2,15.4,15.5,17.1,19.4,19.4
1933,20.1,19.4,19.3,19,17.5,15.6,15.1,15.3,15,17.6,19.5,19.5
1934,19.7,19.7,20.1,19.1,17.8,14.7,15,14.2,15.3,17.1,18.8,19
1935,19.9,19.6,20.2,18.7,18.2,16,14,15.6,16.7,17.9,18.5,19.4
1936,19.8,20.7,20.3,19.2,18,15.5,14.9,14.9,16,18.4,19.2,19.4
1937,19.7,20,19.6,19.1,17.4,16.5,15,15.1,17,17.3,20.2,19.8
1938,20.3,20,20.3,19.5,18.2,15.5,15.6,15.8,16.2,17.5,18.2,20.1
1939,20.3,20.3,19.9,19.2,18.1,16.2,15.5,15,16.5,17.8,19.2,19.2
1940,19.5,19.7,19.5,18.8,17.2,15.5,14.9,14.8,15.3,16.5,18.1,19.3
1941,18.8,20.1,20.2,19.4,17.7,16.2,14.9,15.4,16.4,17.4,18.5,19.8
1942,20.1,20.6,20.5,19.4,17.5,15.6,14.5,15.1,16,16.2,18.6,19.6
1943,19.6,19.4,19.5,19.4,17.6,15.4,14.3,15,14.3,16.1,18,19.2
1944,19.4,20.1,19.7,18.7,17.7,16.9,14.6,15.1,16.2,16.8,19.4,19.7
1945,20.4,19.6,20.4,19.9,17.6,15.4,15,15.2,16,18.4,18.9,19.3
1946,19.7,20.4,19.6,19.2,17.9,15.8,15.4,15.5,14.8,17.5,18.6,19.5
1947,20.2,20.4,19.5,19.4,17.8,16,16.1,14.9,15.7,17,18.4,20
1948,20,20.2,20,19.9,18.8,16.4,15.3,15.3,15.8,17.1,18.7,19
1949,20.2,20,19.8,18.8,17.6,15.8,15.1,15.6,16.2,17.7,18.9,19.9
1950,20.2,19.5,19.7,19.1,16.9,15.7,14.6,15.2,15,17.1,18.9,19.7
1951,18.8,18.6,18.5,18.8,17.3,15.4,15,14.6,14.9,16.6,17.7,19
1952,19.1,19.3,19.2,18.6,17.3,15.2,14.4,14.3,14.9,15.6,17.2,18.9
1953,19.3,19.4,19.3,19.1,17.6,16.2,14.7,14.3,15,15.9,17.9,19.2
1954,19.2,19.7,19.1,18.3,17.3,15.2,14.8,14.5,15.2,15.9,17.6,18.9
1955,19.7,19.5,19,18.3,16.9,14.8,14.6,14.3,14.8,15.8,17.8,18.8
1956,18.7,18.8,19.1,18.4,16.7,14.9,13.9,14.4,15.3,16,17.6,19.2
1957,19.3,18.6,18.7,18.4,16.5,14.8,14.4,14.6,15.5,16.8,18.1,19.3
1958,19.6,20.2,19.4,19.3,16.4,14.9,14.5,14.8,16,16.5,17.8,19.4
1959,19.4,19.7,19.1,18.2,16.5,14.9,14.2,14.1,14.7,16.2,18.1,19.3
1960,19.1,19.6,18.8,18.4,16.9,15.5,14.1,14.3,15.1,15.8,17.4,19.2
1961,19.5,20,19.9,19.8,18.3,16.5,15.9,15.2,15.4,17.1,18.6,19.5
1962,20,20,19.7,18.8,17,15.2,14.9,15,15.7,16.7,18.4,19.7
1963,20,19.5,19.5,19.3,16.7,15.8,15.1,14.3,14.7,16.2,18,19.1
1964,19.4,20.3,19.8,18.6,16.5,15.3,14.4,14.2,14.8,15.8,17.5,19
1965,19.1,19.4,18.6,18.6,16.7,15,14.8,14.9,15.6,16.4,18.1,19
1966,19.8,20,19.5,19.3,18.1,16.2,15.5,15,15.7,16,17.8,19.3
1967,19.8,20.1,20.1,19.3,17.7,16,15.8,15.3,15.5,16.8,18.3,18.8
1968,19.1,19.6,19.3,18.5,16.7,15.6,15.2,15,15,16.4,18,19.1
1969,19.8,20.2,20.6,20.1,17.7,16.1,15.8,15.2,15.4,17.6,19,20.3
1970,20,20.8,19.8,18.5,17.2,15.6,15.4,15.3,15.2,16,17.9,18.8
1971,19.3,19.8,19.3,18.5,16.9,14.7,14.8,13.9,14.5,15.5,17.4,19
1972,19.1,19,18.8,18.7,17.6,15.3,15.6,15.2,15.4,16.5,18.1,19.2
1973,19.5,19.6,19.7,18.3,17.4,15.5,15,14.6,15.2,16.3,17.1,19.2
1974,18.8,18.8,18.6,18.7,17.2,15,14.6,14.4,14.5,16,17.3,19.2
1975,19.2,19.7,18.9,18.9,17.2,15.1,15,14.1,14.2,15.6,17.6,18.5
1976,18.6,19.2,18.8,18.8,17.3,15.9,15.2,15,15.2,16.6,18.1,19.4
1977,19.6,19.3,19.6,18.6,18.1,16,15.3,15.4,15.6,17.3,18.1,19.6
1978,19.9,19.7,18.9,18.9,17.4,15.5,14.7,15,15.7,16.8,17.8,19.2
1979,19.2,19.4,19.4,18.5,17,15.1,14.8,15,15.6,16.8,18.4,19.5
1980,19.4,19.4,19.8,19.1,16.8,15.3,14.7,14.5,14.9,16.7,18,19.1
1981,19.7,19.9,20.1,18.9,17,15.4,14.5,14.9,15.4,17,18,19.4
1982,19.6,19.5,19.4,18.8,17.1,15.9,15.3,14.9,15.8,16.6,18.5,19.2
1983,19.2,20.5,19.9,18.9,17.4,16,15.1,14.7,15,16.5,17.8,19
1984,19.5,19.7,18.9,18.4,16.3,15,14,13.9,14.6,16.2,18,18.3
1985,19.8,19.4,19.4,18.5,16.8,15,14.8,15.2,15.1,16,17.1,19.1
1986,19.1,19.8,19.1,18.7,17.2,14.4,14.2,14.6,14.8,16.7,18.1,19.3
1987,19.6,19.8,19.8,18.7,17.3,15.3,15.5,15.5,15.5,17.2,17.9,19.6
1988,20.1,19.9,19.7,18.9,16.8,16,15,14.6,15.3,16.8,17.8,19.1
1989,19.4,19.4,20.1,18.2,17.3,15.5,14.7,14.8,15.2,16.3,17.9,19
1990,19.3,19.6,19.6,18.3,17.3,15.5,14.1,14.8,15.5,16.8,17.1,18.9
1991,19.6,19.8,19.6,18.6,17.1,15.6,14.5,14.9,16,17,18.6,18.9
1992,20.2,19.4,20.2,19.1,17.4,15.8,14.1,14.9,15.4,17,18.7,20.1
1993,20.4,19.8,19,19.2,17.8,15.9,14.8,15,14.8,16.5,17.9,19.6
1994,19.8,20.7,19.8,20,18.1,16.3,14.4,16,16.3,17.1,18.2,19.2
1995,20,20.1,20,18.9,16.8,15.9,15.5,15.2,15.7,16.5,17.5,19.6
1996,19.8,19.6,20,18.8,17.2,15.6,14.5,14.5,16,15.8,18.1,19.8
1997,19.3,19.3,20.1,19.3,18,16.2,15,15.2,15.5,16.3,19.3,20
1998,20.4,21.1,20.5,19.2,18,16.4,15.8,15,15.7,16.6,18.5,19.4
1999,19.5,20.2,20,19,17.7,15.6,14.9,15.1,15.5,16.1,18.2,19.5
2000,20.2,19.4,19.5,18.7,17.7,16.1,14.7,14.8,15.2,16.5,18.1,19.6
2001,20,20,20,19.3,17.8,15.6,15,15,15.4,16.4,18.5,19.5
2002,19.2,20.2,19.9,19,17.4,15.5,15.8,14.9,15.3,16.9,18.8,19.6
2003,19.8,20,20.3,19.6,18.7,15.9,14.9,14.8,15.6,17.3,18.5,18.7
2004,18.6,20.6,20.1,19,16.8,15.3,15.4,15.4,15.9,17.1,17.9,19.2
2005,20.3,21.2,20.5,19.8,17.6,16.1,15.1,15.4,16.1,17,18.6,19.3
2006,19.9,20.3,20.2,19,17.7,16.1,15.4,15.2,15.6,17,18.9,20
2007,20.4,20.6,20.1,19.1,18.3,16.2,15.4,15.7,15.9,17,18.7,19.8
2008,20,20.1,19.5,18.7,17.3,15.5,15.3,15.4,15.8,17.4,18.8,20.1
2009,20.7,20.7,20.2,19.3,17.9,16.6,15.5,15.4,15.9,17.3,18.8,20.1
