1901,20.2,21.3,18.4,17.1,13.3,12,10.6,12.3,12.6,15.3,17.6,19.6
1902,19.4,21.5,20.6,15.8,15,11.2,10.9,11,12.5,15.8,16.3,20.1
1903,20,20.4,18.9,15.5,12.6,10.5,9.9,10.7,13.2,14.6,16.6,19.8
1904,20.6,21.4,19.1,16,13.4,11.4,11.5,11.5,12.6,14.7,16.8,18.8
1905,20.8,20.7,19.7,16.9,12.4,10.4,12.2,10,13.1,15,17.1,19.6
1906,20.6,21.3,19.5,15.7,13.2,12,9.3,10.9,12,14.5,18,19.3
1907,20.2,21,19.7,16.1,11.8,10.6,10.9,11.7,13,14.5,16.4,19.1
1908,19.8,20.5,19,15.5,13.7,10.6,10.8,10.7,12.4,14.9,16.9,20.1
1909,21.2,20.9,18.7,17.1,13.4,12.1,11.2,11.6,13.6,14.5,17.9,18.3
1910,20.9,21,19.1,16.2,13.6,11.2,11.4,10.6,12.7,15.1,16.5,20.3
1911,20.8,22.3,19.9,16.4,13.9,11.1,10,11.1,13.1,15.8,17.8,19.6
1912,20.6,20.7,19.9,16.9,13,13.1,10.6,11.2,12.1,15.9,17.3,20.3
1913,22,21.8,19.9,16.1,14,12.2,9.9,12,12.4,15.1,18.2,19
1914,20.7,21.1,19.5,16.3,14.1,10.9,11.4,10.9,13.1,16.4,17.4,19.1
1915,22.3,22.2,20.3,15.4,13.6,11.4,9.3,11.5,12.8,15.3,18.1,20.3
1916,20.8,21.3,19.1,17.2,12.4,10.3,10.9,11.5,13,15.6,18.4,20.6
1917,21,22.4,19.4,16.8,12.4,10.7,10.8,10.5,12.7,15.4,17.3,20.3
1918,20.8,21.6,19.2,17.2,13.4,11.3,10.2,12.2,13.6,15.9,17.8,20
1919,20.7,21.7,20.8,17.6,14.2,11.8,10,11.9,11.9,15.8,17.7,20.3
1920,22.3,21.7,19.7,17.9,13.7,11.1,11.4,12.1,12.4,15,19,19.6
1921,19.9,22.6,20.6,16.4,14.1,11.5,9.6,10.4,12.2,14.6,18.3,20
1922,20.2,21,20,16.8,13.5,10.6,11.2,10.4,13.1,15.6,17.4,20.2
1923,20.7,21.2,20.1,16.2,12.6,11,10.4,11.9,12.8,16.4,18.5,20.4
1924,21.3,21.4,18.2,17.1,12.3,11,10.9,10.9,13,14.8,17.1,21.4
1925,20.7,22.7,20.3,16.8,13.6,10.7,11,12.4,13.6,15.4,17.6,19.5
1926,21.7,21.1,19.7,16.8,13.7,11.3,9.7,11.2,12.4,15,17.3,19.9
1927,21.7,21.7,19.9,17.3,13,12.2,11.5,12.5,13.7,16.2,19.2,20.2
1928,21.4,21.4,19.6,16.9,14.3,10.8,12,12,12.5,15.2,17.4,20.1
1929,21.6,20.9,19.7,16.4,13.4,11.7,10.3,12.4,13.3,15.8,18,20.5
1930,21,21,20,16.3,15.2,11.7,11.5,11.9,12.4,16.2,18.7,20.7
1931,22.7,22.4,21.3,15.6,13.4,10.9,10.4,11.9,13.2,15.3,19.7,20.2
1932,20.2,22.2,20.2,19,15.4,11.6,10.7,12.6,13.1,15.9,19.3,19.9
1933,21.3,21.2,19.1,17.8,13.4,10.4,10.4,10.8,13.5,16.3,18.8,21.6
1934,21.3,22.2,19.6,18.7,15,13.8,10.2,11.6,14.2,16.2,19.2,20.7
1935,21.7,22,18.7,17.1,13.1,11.4,10.4,12.1,12.5,15.8,17.7,19.5
1936,19.4,19.9,20.9,17.4,12.4,12.8,12,13,14,15.3,18,19.9
1937,21.5,22.8,20.1,17.2,13.7,11.5,11,12.9,13.1,16,18.6,20.7
1938,20.9,20.9,20.3,16.8,13.7,12.7,12,11.1,13.5,15.4,17.6,19.9
1939,21.5,21.3,19.9,16.2,14.7,13,11.6,11.8,13.8,16.5,18.9,20.8
1940,21.9,22.5,19.2,16,13.6,12,12,13.1,12.6,16.9,17.8,20.7
1941,22,21.5,20.2,16.4,13.3,11.5,11.5,13.1,12.7,15.7,17.6,20.3
1942,21.4,22.2,20.1,18.1,13.9,11.4,11.2,11.4,12.6,16.3,19.3,20
1943,20.2,20.1,20.7,16.6,12.9,11.4,9.9,11.2,13.2,15.5,18.2,20.9
1944,21.9,22.5,20,17,13,11.1,11,11.5,13.2,16.4,17.8,19.3
1945,20.9,22.5,20.1,18.2,14.4,11.8,10.3,11.6,14.8,15.2,19,19.3
1946,20.8,21.6,19.6,17,14.3,11.2,10.6,12.3,12.9,15.4,18.5,20.4
1947,21.2,22.8,20.4,16.3,13.7,10.7,10,12.3,13.6,16,19,20.4
1948,21.4,21.6,19,16.9,14.7,11.1,10.8,11.8,12.3,15.6,18.3,20.2
1949,21.9,21.7,20.7,16.8,14.4,13.4,11.1,12,13.6,16.1,17.6,20.4
1950,21.4,21.4,20.6,16.1,14.4,12,10.6,12.4,13.5,16.3,17.8,19.2
1951,20,21,19.5,17.3,14.6,12.5,10.9,12.3,12.5,15,17.5,19.9
1952,21.7,22.3,19.2,17.6,13.6,12,11.1,12.3,14.2,16.3,19,20
1953,22.4,22.1,20.2,16.1,14.4,12.1,11,11.9,14.8,16.2,18.1,20.4
1954,21.3,21.6,19.9,16.6,14.1,12.3,10,11.9,13.7,15.2,18.1,20.1
1955,21.7,20.5,19.9,16.1,14.7,11.8,11.2,10.9,12.7,14.7,17.3,18.9
1956,22.2,20.6,19.9,16.1,12.6,11.4,11.5,10.9,13.2,15.4,18.9,19.8
1957,22.1,21.6,20,16.2,13.5,11.4,10.9,12.1,13.6,14.4,18,21.3
1958,21.9,20.8,19.6,16.8,13.2,10.8,11.9,12,13.4,15.4,18.1,21.6
1959,20.8,21.7,19.7,16.4,12.9,12.3,11.3,12.4,13.9,15.4,18.7,20.5
1960,21.3,21.8,20.2,15.8,13,12.4,11.5,12.3,14.6,16.9,19.5,21
1961,21.6,21.6,20.6,17.3,13,12.7,12.2,12.7,14,14.3,19.3,19.8
1962,21.3,21.8,20.2,17,14.3,12.3,11.9,12.3,13.8,15.8,18.1,21.7
1963,22.4,22.2,19.6,15.6,13.7,12.9,10.1,12.2,15.5,16.8,19.4,21.1
1964,22.2,21.5,21.1,17.1,15.4,11,11.7,11.4,12.9,15.7,17.6,21
1965,21.8,22.2,20.5,17.3,13.9,10.9,11.5,12.2,14.3,15.5,17.7,19.2
1966,21.8,20.5,20.2,17.5,13.5,12,11,12.2,13.7,16.4,18.9,21
1967,21.4,22.1,20.1,15.9,14.1,11,10.4,11.8,14.1,15.9,19.4,21.4
1968,21.4,20.6,20.5,15.9,14,10.5,10.7,11.2,13.6,15.2,18.4,20.8
1969,21.6,22,20.9,15.9,13.6,11.5,11.4,12.7,13.4,15.8,18.4,21
1970,22.3,20.9,20.6,17.3,13.3,11.5,10.3,11.4,13.2,16.1,17.7,19.2
1971,21.3,21.7,20.4,17,13.9,11.9,10.5,10.7,12.2,15.6,17.9,20.5
1972,22.7,21.7,19.8,17.6,14.4,12.5,11.6,11.5,14.4,16.9,19.1,20.6
1973,21.7,22,20.6,17.5,13.2,13.1,12.2,11.4,12.6,16.7,18.8,20.2
1974,21.5,22.1,19.7,18,13.9,12.5,11.2,11.5,13,15.5,19.1,21
1975,21.6,22.2,20,17.9,14.3,12.7,10.9,11.2,14.4,15.2,18.3,19.6
1976,22,21.9,19.8,17.3,14.9,11.7,10.7,11.6,14.3,15.7,16.9,20.5
1977,21.6,22.5,20.2,18.4,13.1,12.6,11.1,12.7,14.1,16.3,19.3,21.5
1978,22.1,22.3,21.5,16.9,13.6,12.4,12.3,11.9,13.4,14.7,19.2,21.1
1979,21.4,22.5,20.3,18.8,14.9,12.4,11.1,12.2,13.5,15.9,19.4,21.4
1980,21.6,21.7,21.5,18,14.1,12.2,13,13.1,14.1,16.2,17.8,20.9
1981,21.4,21.8,19.6,17.7,14.8,11,10.8,10.8,13.7,15.9,18.8,20.4
1982,21.6,22.2,20,16.2,14.5,12.3,11.5,12.8,15.3,16.9,18.7,20.2
1983,22.5,21.4,21.1,18.7,14.4,11.9,11.9,12.9,14.1,17,19.7,22.1
1984,22.3,22.4,20,18,14.6,13.4,12.1,13.2,14.9,16.6,19.8,20.4
1985,22.4,22.2,20.3,18.4,15.3,13.2,11.6,13.8,14.8,17.8,20.1,20.7
1986,22.4,21.9,20.1,18.1,16.2,13.8,12.4,13.5,15.1,16.6,18.8,21.5
1987,21.6,22.6,21.6,18.4,16.4,13,12.8,13.4,14.7,17,19,20.9
1988,22.3,22,20,16.8,15.6,12.3,12,14.3,14.7,16.1,19,20.1
1989,22,21.5,20.6,17.9,14.3,12.4,11.5,13.1,14.2,15.8,19.1,21.4
1990,22.5,21.6,19.5,17.1,14.5,11.5,11.8,13.1,15,16.2,18.8,20.8
1991,22,21.7,20.7,18.6,15.3,11.7,11.7,11.4,14.3,16.6,18.7,21.1
1992,22.2,22.2,20.8,17.8,14.2,11.9,11.5,12.3,13.6,15.9,18.4,20.4
1993,22.3,21.6,21.4,16.6,13.8,12.1,12.7,12.7,14.5,16.7,19.7,20.8
1994,22,22.4,20.5,18.1,13.9,11.8,11,12.2,14.4,16.5,18.7,20.8
1995,21.2,22.6,20.4,16.1,14.7,11.7,10.2,12.1,14.4,15.2,18.8,20.8
1996,22.6,22.2,19.2,17.9,14.7,12.4,10.3,11.5,13.4,15.7,16.6,20.5
1997,22,21.4,19.7,16.3,14.5,11.4,11.9,12.8,15.7,18,18.4,20.9
1998,21.7,23.3,20.2,18,14.4,12.3,11.4,12.7,13.5,16.6,18.4,21.3
1999,23.1,22.7,21.3,17.9,14.7,13.3,12.4,13.5,13.3,17.6,19.3,23.5
2000,21.9,22.6,20.4,17,13.8,12.7,11.6,13.6,13.7,16.4,19.1,20.5
2001,21.1,21.9,19.8,16.8,14.8,12.4,11.7,12.5,13.1,17.2,19.3,21.2
2002,21.3,22.1,20.9,17.7,13.7,11.4,10.8,12.5,15,15.9,17.6,21.6
2003,22,23,20.7,18.4,14.7,12.1,11.5,11,13.9,16.8,19.2,20.2
2004,19.6,23.1,19.6,18.1,15.6,13,11.2,12.8,14.4,16.9,20.7,22.4
2005,22.8,22.9,21.1,17.6,14.8,11.5,13,11.8,14.7,16.7,19.4,20.3
2006,23,23.6,20.3,18.1,13.8,13.2,12.2,12.4,15.3,17.1,19.7,21
2007,23.2,22.6,20.8,18.5,15.1,12.8,11.8,12.9,14.7,17.3,18.4,21.7
2008,22.7,22.8,21.5,17.7,15.4,12.9,11.8,12.9,13.1,16.7,19.3,21.5
2009,22.3,23.2,21.7,19.1,15,13.3,12.9,13.4,14,17.4,19.5,20.6
