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