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