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