1901,20.4,20.4,19.8,20,20.5,20,19,19.2,19.8,20,20.1,20.3
1902,20.6,19.9,20.1,19.7,20.5,20,19,19.5,19.8,20,20.1,20.3
1903,21,20.7,20.6,20,20.3,19.4,19,19.4,19.8,20,20.1,20.3
1904,20.6,20.1,19.8,19.7,20.1,19.8,19,18.6,19.8,20,20.1,20.3
1905,21,20.9,20.9,20.7,20.8,19.7,19,19.5,19.8,20,20.1,20.3
1906,20.5,20.4,20.9,20.9,20.3,19.9,19,19.2,19.8,20,20.1,20.3
1907,20.3,20.6,20.6,20.2,20.6,19.9,19,19.8,19.8,20,20.1,20.3
1908,20.3,20.1,20.4,20.2,20.5,19,19,18.2,19.8,20,20.1,20.3
1909,20.6,20.6,20.7,20.7,20.5,20.9,19,20.4,19.8,20,20.1,20.3
1910,20,19.8,19.7,19.3,19.9,20.6,19,19.1,19.8,20,20.1,20.3
1911,20.2,20.2,20.7,20.3,20.7,20.3,19,19.4,19.8,20,20.1,20.3
1912,20.7,21.2,21.4,21,21.1,20.9,19,19.7,19.8,20,20.1,20.3
1913,20.4,19.9,20,19.8,20.1,19.3,19,19.3,19.8,20,20.1,20.3
1914,21.2,20.7,21,20.6,20.6,19.7,19,19.3,19.8,20,20.1,20.3
1915,20.6,20.6,20.5,20.2,20.5,20,19,19.2,19.8,20,20.1,20.3
1916,20.6,20.6,20.5,20.2,20.5,20,19,19.2,19.8,20,20.1,20.3
1917,20.6,20.6,20.5,20.2,20.5,20,19,19.2,19.8,20,20.1,20.3
1918,20.6,20.6,20.5,20.2,20.5,20,19,19.2,19.8,20,20.1,20.3
1919,20.6,20.6,20.5,20.2,20.5,20,19,19.2,19.8,20,20.1,20.3
1920,20.6,20.6,20.5,20.2,20.5,20,19,19.2,19.8,20,20.1,20.3
1921,20.6,20.6,20.5,20.2,20.5,20,19,19.2,19.8,20,20.1,20.3
1922,20.6,20.6,20.5,20.2,20.5,20,19,19.2,19.8,20,20.1,20.3
1923,20.8,20.6,20.4,20.1,20.5,20,19,19.1,19.8,20.1,20.2,20.4
1924,20.7,20.9,20.5,20.1,20.6,20,18.9,19.1,19.6,20,20.1,20.3
1925,20.3,20.4,20.4,20.2,20.5,19.9,19,19.1,19.8,19.9,20.2,20.3
1926,20.7,20.6,20.4,20.1,20.5,20,19.1,19.3,20,20.2,20.3,20.4
1927,20.7,20.7,20.4,20.2,20.6,20,19,19.1,20,20.1,20.2,20.5
1928,20.7,20.4,20.3,20,20.4,19.9,19,19.1,19.8,20,20.2,20.3
1929,20.5,20.6,20.4,20.1,20.5,19.8,18.8,19,19.7,20,20.2,20.1
1930,20.5,20.7,20.5,20.2,20.5,20,19,19.2,19.9,20.1,20.2,20.6
1931,20.7,20.8,20.5,20.2,20.6,20,19,19.2,19.8,20.2,20.3,20.6
1932,20.6,20.7,20.7,20.3,20.6,20,19,19.2,19.8,20.1,20.3,20.4
1933,20.7,20.7,20.6,20.2,20.5,19.9,19,19.2,19.8,20,20.3,20.4
1934,20.6,20.6,20.5,20.2,20.5,20,19,19.2,19.9,20.2,20.3,20.4
1935,20.8,20.7,20.5,20.2,20.6,20,19,19.2,19.8,19.9,20.3,20.5
1936,20.6,20.8,20.5,20.1,20.5,20,18.9,19,19.7,20,20.3,20.3
1937,20.6,20.6,20.5,20.2,20.5,20.1,19,19.2,19.8,20.2,20.2,20.4
1938,20.7,20.7,20.5,20.2,20.7,20.2,19.1,19.2,19.8,20.1,20.4,20.3
1939,20.7,20.8,20.5,20.2,20.5,20,19,19.2,19.8,20.1,20.2,20.5
1940,20.6,20.6,20.5,20.2,20.5,20,19,19.2,19.8,20,20.1,20.3
1941,21.8,21.2,21.5,21.1,21.5,21.1,18.8,19.3,20.2,21.1,20.2,21.1
1942,21.7,21.7,21.3,20.9,20.6,20.6,18.5,19.1,20.1,20.3,20.2,20.4
1943,20.9,20.6,20.6,20.3,19.9,18.6,17.9,19.1,19.9,20.5,20.3,20.9
1944,20.6,20.7,20.7,20.2,21.2,21,19.1,19.1,20.8,20.4,20.2,20.9
1945,21.5,21,20.9,20.1,20.9,20.8,19.3,19.1,20.5,20.2,20.2,20
1946,21.8,21,21,20.9,20.1,20.1,18.4,19.1,19.5,19.7,20.2,20
1947,21.1,21.4,21.1,20.4,21.5,21.7,19.8,20.3,20.4,20.6,20.1,20.7
1948,21.1,20.4,20.4,20,20.3,20.4,18.8,19.4,20.3,20.2,20.1,21
1949,21.2,21,21.1,20.8,21.6,21.1,19.5,19.4,20.6,20.5,20.2,20.1
1950,21.2,20.3,20.9,20.2,21,21.6,18.7,18.6,19.8,19.7,20.1,20.8
1951,20.8,20.2,20.3,20.9,20.6,20.2,19,19.6,20,19.8,19.9,21.5
1952,20.8,20.8,20.7,20.4,20.4,20.4,18.3,18.7,19.9,19.9,19.3,20.5
1953,20.5,20.3,20.2,20.7,19.8,20,18.8,18.9,19.6,19.9,19.5,20.8
1954,20.7,19.7,20.7,19.9,20.7,20.3,18.5,18.1,19.4,19.6,19.6,20.6
1955,20.8,21,20.2,20.4,20.5,20.4,18.4,19.1,19.5,19.5,19.5,19.8
1956,20.6,20.7,19.9,20.2,20.4,19.9,18.7,18.8,19.4,19.4,19.1,20.3
1957,20.3,21,20.2,20.5,21.1,20.3,18.5,19.5,19.6,19.7,19.6,20.7
1958,21.5,21.1,20.9,20.5,19.9,19.2,18.5,18.8,19.4,20.1,19.6,21.1
1959,20.8,20.9,20.9,20.2,21,19.1,18.6,19.6,19.4,19.9,19.6,21.3
1960,20.9,20.5,20.6,20.1,20.7,20.1,18.8,19.9,19.9,20,20.1,21
1961,21.2,20,20.5,20.5,20.7,19.9,18.5,18.5,19.5,19.7,19.3,19.8
1962,20.4,20.7,20.3,20.2,21.1,19.9,19.5,19,19.4,20,19.7,20.6
1963,20.6,20.9,20.3,20.1,20.9,20.5,19.4,19.4,20.3,19.7,20.1,20.9
1964,21.4,20.5,20.9,20.1,20.9,19.7,18.7,18.5,19.7,19,19.4,20.4
1965,20.8,20.3,20,20.1,20.4,20.3,19,18.5,19.6,20,20.1,20.2
1966,20.9,20.5,21,20.5,20.8,20.5,19.6,19.8,19.5,20.4,20,20.5
1967,20.9,20.9,20.8,20.5,20.5,20.1,18.4,19.3,19.4,19.8,20.4,20.8
1968,20.7,20.6,20.4,20.4,20.4,20,18.9,19.4,19.7,20.6,20.7,21
1969,20.6,20.8,21.2,21,21.6,19.5,17.8,19.6,19.8,20.2,20.1,20.9
1970,21,21.6,20.5,21.1,20.8,20.1,18.9,19.8,19.5,19.6,20.4,19.8
1971,20.4,20.3,20.2,19.9,19.8,20.1,19.3,19.2,19.8,19.8,19.7,19.3
1972,20.5,20.7,20,19.6,20.1,18.9,19.1,18.8,19.7,19.8,20.3,20.7
1973,21.4,21.2,20.8,19.9,20,19.9,19.5,19.2,19.8,19.8,20.1,20.4
1974,19.8,20,20,19.8,19.9,20.2,18.6,19.2,19.6,19.9,19.9,18.9
1975,19.7,20.1,20.2,19.8,20.3,19.6,18.8,18.2,19.7,19.5,19.7,19.3
1976,19.9,19.7,20.4,19.5,20.1,18.9,18.5,18.2,19.1,19.7,19.7,19.8
1977,20.9,20.5,20.6,20.2,20.3,19.8,19.4,18.2,20.1,20.5,20.3,20.1
1978,20.1,21.8,20.6,19.5,20.4,19.2,18.8,18.6,19,19.9,20.5,20.1
1979,21.3,21.2,20.7,20.2,21,20,20,19.2,20.1,20.5,20.9,20.7
1980,21.7,21.5,21,20.6,21,19.9,19.4,19.1,20.2,20.1,20.7,19.8
1981,20.3,20.9,20.4,20.1,20.7,20.4,18.7,18.8,19.7,20,19.3,20.1
1982,20.7,20.5,20.4,19.9,20.2,19.7,18.4,19.3,18.8,19.7,20.1,20.3
1983,19.3,21.1,21.7,20.9,21.2,20,18.8,18.7,20.2,19.3,20.7,20.6
1984,20.5,20.6,20.3,19.8,20.4,19.7,19.4,19.4,20.2,20.5,19.9,19.9
1985,20.6,20,20.3,19.6,20.1,20.1,19,19.6,19.8,20,20.5,20.2
1986,20.9,20.3,19.7,20.1,20.4,20.2,18.7,19,20.3,19.5,20.4,19.8
1987,21.1,20.6,20.8,20,21,20.7,19.5,19.7,19.8,20.1,20.6,20.9
1988,21.1,20.9,21.1,20.4,20.7,19.9,19,19.8,19.8,20.2,20.5,19.8
1989,19.6,19.8,20.6,20.1,19.4,19.9,19.1,19.7,20.2,20.4,20.5,20.2
1990,21.7,20.8,20.6,19.6,20.4,20.8,19.5,19.4,19.6,20.9,20.6,21.1
1991,20.9,21,21.1,20.3,20.7,20.3,19.7,19.3,20.1,19.6,20.4,20.4
1992,20,20.9,21,20.9,20.8,19.5,18.6,19.3,19.3,19.7,20.1,20.5
1993,20.6,19.9,20.3,19.9,20.7,20,19,19.3,20,20,20.5,20.6
1994,20.5,20.9,20.5,20.4,20.5,19.9,18.8,19.3,19.9,20,20.9,20.2
1995,21.6,19.8,20.1,20.9,20.9,20.6,20.2,19.7,20,20.8,21.3,20.3
1996,21.6,21.7,21.1,20,19.2,20.4,19.6,19.6,20.1,20.3,20.1,20.4
1997,21.1,20.8,20.4,19.1,20.6,20.1,19.1,20.1,20.7,20.5,21.3,20.9
1998,21.2,22.2,21.7,21.4,20.7,21.2,20.1,19.6,20.8,20.3,21.2,21
1999,20.8,20.7,21,20.3,20.5,20.8,19.6,19.7,19.3,19.8,20.8,20.6
2000,20.8,20.5,21.2,20.2,20.9,20.3,19.5,19.4,19.7,20.1,20.2,20.4
2001,20.6,21.1,20.7,19.7,20.9,20.5,19.7,18.7,18.7,19.8,21,21.3
2002,20.9,20.7,20.5,20.5,21.2,20.7,19.7,19.9,20.1,20.2,20.7,21
2003,21,21.5,20.9,20.7,21.1,20.3,19.5,19.6,20.5,20.4,21,20.9
2004,21,20.9,20.7,20.6,20.5,19.7,19,19.3,19.7,20.2,20.9,20.8
2005,21.4,21.7,21.5,21,20.8,19.8,19,19.6,20.3,20.3,20.5,20.9
2006,21.9,21,20.1,20.7,20.9,20.9,19.7,19.7,20,20.4,20.4,20.1
2007,21.3,21.2,20.6,19.9,20.7,20.4,19.2,19.9,20.5,20.2,20.7,20.6
2008,20.2,20.8,20.4,20,20.8,20.2,19.3,19.5,20.1,20.7,20.5,21.1
2009,20.9,20.6,20.9,21.1,21.5,20.6,19.2,19.3,20.2,20.6,20.5,21.2
