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