1901,21.8,22.2,20.9,18.9,16.7,14.6,17,17.1,18.8,20.9,20.2,21.5
1902,21.5,23.1,21.8,20.9,18.4,17.1,17.6,15.3,19.6,19.7,21.7,23.2
1903,21.3,22.6,22.4,19.9,15.9,16.5,16,16.9,19,18.6,20.4,22.6
1904,20.9,21.2,21.9,20.1,14.9,13.9,16.4,16.9,18.7,18.9,20.5,21.6
1905,21,21.6,20.4,19.9,17.2,15.5,15.8,16.9,18.8,22.2,20.2,22.4
1906,21.7,21.7,20.9,20.2,18.3,15.3,16.4,17.9,17.8,20.2,20.5,22.1
1907,21.2,22.1,22.4,20.4,15,14.9,14.9,15.9,19.1,19.2,20.1,23
1908,21.7,21.4,20.6,20.3,16.8,15.7,16.9,15.3,18.6,18.7,20,22.2
1909,22.6,22.8,20.2,20,14.4,14.7,16.2,17.5,18.4,18.8,20.1,20.6
1910,22.8,21.7,21.2,21.6,15.4,16.4,15.4,17.8,18.2,18.7,20,21.6
1911,22.6,22.3,19.8,19.9,17,13.2,14.5,16.2,17.8,18.7,21.3,22.8
1912,22.4,23.2,21.6,20.7,18.2,15.5,13.2,16.5,15.7,18.2,20.8,21.6
1913,20.9,21.7,21.6,20.9,17.1,14.5,17,16.9,18.3,20,20.7,21.5
1914,22.9,22.2,21.9,19.8,15.3,16.7,17.3,15.9,19.2,20.4,21.7,21.7
1915,22.6,23,21.1,21.8,19.3,13.7,15.4,17.8,18.3,19.4,19.4,21.6
1916,22.3,20.7,20,20,17.7,14.9,14.8,16.6,18.7,19,20.7,21.5
1917,21.5,21.3,20.4,18.9,14,13.3,14.1,14.8,18.5,18.5,17.9,21.1
1918,21.4,20.3,19.7,19,15.8,13.8,13.9,15.4,17.7,18.8,19.9,20.7
1919,21,20.6,21,20.5,18.5,15.9,16.7,15.4,14.8,18.8,19.2,21.4
1920,22.2,22.1,21.3,21,16.4,14.5,15,14.9,17.8,20,20.4,21.9
1921,22,21.9,21.3,19.4,17.5,12.9,13.6,17.7,17.4,18.7,19,22.3
1922,21.5,21.3,20.7,20.3,16.4,14.4,15.9,17.5,18.3,17.8,19.7,21.3
1923,21.7,21.7,21.2,21.4,15.1,14.7,13.7,17,18,18.8,19.7,22.8
1924,20.8,20.9,21.6,19.8,15.9,15.4,15,14.6,17.4,17.4,18.9,21.6
1925,21.8,22.4,20.3,21.4,16.6,13.1,13.3,18.3,18.4,18.4,19.9,22.3
1926,21.9,21.1,21.9,20.4,15.7,16.4,14.8,17.3,19.6,19.8,20.7,22
1927,21.8,21.8,21.4,20.4,16,14,14.7,16,17.9,19,20.3,21.4
1928,22,22.3,21.3,21.9,16.6,14.9,15.2,15.4,17.7,19.1,20.4,22
1929,22.1,21.9,20.6,19,15,14.3,15.8,16.4,18.3,19.8,19.4,22.1
1930,22.1,21.6,21.3,20.3,17.5,17.1,15.3,17.1,17.6,19,19.6,21.8
1931,22.9,21.7,21.2,20,15.4,13.5,15.6,16.2,16.9,18.9,19.2,22.3
1932,21.4,22.3,21.4,21.2,16.3,14.6,17.1,15.4,18.5,20.1,20.7,21.5
1933,21.9,22.4,20.9,19.6,17.2,13.5,13.8,16.9,18.4,19.8,19.5,21.4
1934,21.8,21.4,21.8,19.8,17.1,16.6,15.4,16.9,18,18.7,20.5,21.5
1935,21.8,22.2,22.1,19,15.9,16.6,16.4,16.5,17.6,19.1,19.9,22.9
1936,22.4,21.2,21.3,20.3,19.4,17.2,16.2,15.7,18.3,20.4,20.1,22.2
1937,20.5,22,21.3,19,15.5,15.8,16.7,18.5,18.3,18.8,19.4,21
1938,22.3,21.6,22,19.5,16.7,15.8,15.8,16.1,18.3,18.7,20,21.6
1939,22.1,21.6,21.3,19.7,18,15.5,14.4,17.6,18,20.2,19.6,21.1
1940,21.8,21.4,21.5,20.9,18.9,16.6,18.1,17,18.4,19,19.6,24
1941,22.4,22.2,20.8,22.2,17.4,14.2,15.7,18.2,15.3,19.3,19.5,21.6
1942,22.1,22,21.2,19.8,15.8,13.4,12.6,17.2,18.1,18.9,20.1,21.1
1943,21.1,21.7,21.6,18.9,17.6,15.8,16.2,14.2,17,19.6,19.8,20.9
1944,22.1,21.5,21.2,19.1,16.9,15.7,14.8,18.1,19.7,21.6,19,22.3
1945,21.8,22.3,20.8,20.4,15.1,13.2,16,19,18,20.3,20.1,21.1
1946,21.1,22.5,20.6,19.2,17.7,14.9,14,17.7,19.7,19.8,20.9,21.5
1947,22.1,22.6,20.3,20.2,17.5,16.1,13.9,15.7,17.6,17.5,19.3,20.5
1948,22.8,21.8,20.4,20.3,16.8,15.8,16.8,15.5,19,19,19.8,21.8
1949,21,21.6,22.5,18.9,16.5,16.7,15.1,15.8,17.8,17.2,19.7,21.1
1950,21.2,21,20.6,19.5,18,15.6,15.4,18.2,18.6,18.2,19,21
1951,20.3,21.2,21.3,16.4,17,13.4,14.2,15.9,17.8,18.9,19.1,19.9
1952,21.2,21.6,21.6,18.3,16,13,15,17,17.5,19.3,19.6,21.7
1953,21.8,21.3,21.2,18.5,16.8,14.4,12.2,17.6,19.8,19.6,19.4,21.6
1954,21.6,22.2,20.5,19.6,15.8,15.8,15,17.6,19.4,19.2,20.8,21.7
1955,21.3,22.5,20.3,19.5,16,15.2,14.2,16,19.2,17.7,18.8,21.4
1956,22.2,21.7,20.3,18.6,14.3,12.1,14.4,14.3,18.8,18.6,18.7,21.7
1957,21.8,20.3,21.4,18.8,16.6,14.4,13.8,16.9,17.6,20.5,19.9,22.5
1958,22.9,22.5,20.8,20.7,16.8,15.3,16.5,17.5,17.7,19.9,20.7,21.7
1959,22.3,22.5,20.7,21.8,17.4,14.9,17.3,16.2,19.8,19.3,20.3,21.7
1960,21.5,21,21.5,19.2,14.5,15.1,16.2,16.7,19.2,20.5,19.5,22.5
1961,21.7,22.2,20.6,19.9,16.3,14.8,16.8,18.4,20.3,20.4,20.2,21.5
1962,21.2,21.9,20.9,19.2,15.5,13.1,13,15.9,18.2,17.2,19.8,22.1
1963,22.3,21.7,21.9,19.6,16.3,14.5,16.8,17.9,21.1,20,20.4,21.7
1964,22.8,21.6,21.4,21.2,16.2,14,13.4,16.6,18.6,18.3,18.8,20.6
1965,20.8,21.4,18.9,19.7,16.4,15.7,15.7,16.4,19.2,19.1,20.3,21.7
1966,22.4,22.8,20.8,19.7,16.9,16.1,16.1,15.7,17.3,20.8,20.3,23
1967,21.4,21.9,21.1,20.7,18.9,14.8,16.7,18.9,19.7,21.2,20,21
1968,21,21.6,21,17.4,14.3,14.9,15.9,15.6,18.1,19.9,21.9,22.5
1969,22.5,23.1,22.2,19.3,17.3,15.8,16.5,17,20,18.1,20.2,21.6
1970,22.2,21.4,21.6,21.3,18.8,16.7,15.9,16.2,17.2,19.6,19.1,22.9
1971,22.1,21.9,21.4,18.9,16,13.9,14.9,16.6,18.2,18.4,19.3,22
1972,21.2,20.5,21.3,17.9,17.4,18.2,15.2,16.4,18.3,18.9,20,22.4
1973,22.8,23.4,21.4,22.7,17.2,16.4,15.8,16.4,18.2,19.3,19.9,22.5
1974,22.4,23.2,21,20.4,16.2,15.1,16.9,18.1,19.1,19.7,20.3,21.8
1975,21.6,22.8,21.8,20.2,16.5,15.4,13.8,18.9,19.8,19.3,19.4,21.9
1976,22.2,21.4,21,20.7,17.5,15.2,16.2,17,17.1,19.8,21.4,22.8
1977,22.7,23.4,24.1,21.1,20.3,15.5,20.4,19,19.5,21.4,20.6,21.4
1978,23.6,23.5,22.1,20.7,16.8,15.5,18,15.3,18.1,21.2,21.1,22.3
1979,21.4,22.8,21.4,19.7,15.6,13.8,14.7,18,18.4,20.4,19.2,22.1
1980,21.5,21.7,22.4,21,18.2,14.5,17.1,17.2,15.7,20.4,20.3,22.6
1981,22.2,22.5,22,20.1,18.8,14.2,13.8,17.4,19.3,18.4,21.2,20.9
1982,21.8,20.9,21.1,19.4,16.8,16.1,16.6,17.3,19,19.5,20.4,20.9
1983,21.8,22.7,20.6,20.8,18.6,14.5,17.7,16.9,16,19.2,20.1,22.1
1984,23.8,24.1,21.9,19.4,19.1,16.7,17.7,14.5,17.9,21.7,19.8,21.4
1985,22.1,22.2,21.5,21.1,17,14,14.9,17.8,19.4,21.5,22.1,24
1986,23.2,22.2,21.2,21.7,18.1,15.9,15.8,17.1,16.6,18.4,21.9,22.3
1987,22.7,21.3,21.2,21.1,15.2,14.1,18.1,16,17.8,20,20.9,22.6
1988,23.3,21.5,22.3,20.9,16.6,13.9,14.1,18,20.4,19.9,20.9,23.5
1989,21,21.8,21.2,21.3,16.8,14.7,13.4,15.6,17.4,18.5,20.4,22.2
1990,22.3,23.2,22.7,22.3,16.1,14.7,13.4,15.4,16.4,21.1,22,22.8
1991,22.1,22.2,20.6,20.5,17.5,16.5,15.6,17.5,19.1,20.2,17.3,22.8
1992,23.4,22.9,21.4,19.2,17.6,17.1,14.2,15.4,17.3,20.1,19.9,22.8
1993,22.5,22.3,22,21.2,17.4,15.1,16,15.7,18.1,21,20.6,22.9
1994,22.9,23,21,21.2,19.2,15.5,16.8,18.2,21.1,21.4,17.3,23.7
1995,22.8,22.4,21.7,20,17.9,16.5,19,19.9,19.3,19.2,21.2,22.9
1996,22.6,22.6,21.5,21.3,18.2,15.3,15.2,17.2,18.6,20.3,20.9,23.5
1997,22.3,22.7,21.4,20.4,18.1,14.8,17.6,18,20.5,20.6,21.1,23.5
1998,23.9,23,22.2,20.4,16.8,14.8,17.3,18,18.4,20.7,22.5,24.2
1999,22,23,22.5,20.2,16.2,14.6,16.9,17.2,19.7,19.9,19.8,23.7
2000,21.9,22.2,21.2,21.4,17,17.2,14.1,17.7,18.8,22.3,21.3,23.1
2001,23.6,23.8,22.9,22.6,16.8,15,17.1,18.6,19.6,21.2,22,22.5
2002,22.9,22.3,23.8,24,18.8,18.3,18.7,16.8,19.1,23.2,21.3,24.3
2003,23.8,23.7,22.8,21.8,17.1,18.1,17.3,15.4,19.8,20.8,21.4,24.2
2004,23,23,22.3,22.1,15.3,15.2,15.8,17.8,21.8,19.8,21,22.5
2005,22.4,23.6,22.4,23.1,19.5,17.9,15.9,18.5,17.4,21,21.3,22.8
2006,23.8,22.5,23,21.1,16.3,16.7,18.3,18.6,18.2,21.8,21.9,23.8
2007,22.7,23.2,23,22.6,17.4,17.3,16.1,18.1,22.1,21.7,21.1,23.5
2008,21.9,22.5,21.7,20.8,16.9,15.7,17.7,18.1,18.3,21.3,20.9,23.5
2009,21.9,23.3,23.2,22.3,18.4,14.1,16.2,17,19.8,20.4,23.1,23.2
