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