1901,20.7,19.9,19.7,20,20.2,20.8,20.7,20.4,20.3,19.7,20.2,20
1902,20.7,19.9,19.7,20,20.2,20.8,20.7,20.4,20.3,19.7,20.2,20
1903,20.7,19.8,19.6,19.9,20.2,20.8,20.6,20.4,20.2,19.6,20.1,19.9
1904,20.6,19.7,19.5,19.8,20,20.6,20.6,20.2,20.1,19.5,20,19.8
1905,20.6,19.7,19.6,20,20.2,20.7,20.5,20.3,20.2,19.6,20,19.9
1906,20.7,19.9,19.7,20,20.2,20.7,20.6,20.3,20.1,19.6,20.1,20
1907,20.6,19.8,19.5,19.9,20.1,20.7,20.6,20.2,20.1,19.6,20.1,19.9
1908,20.7,19.9,19.6,19.9,20,20.7,20.6,20.4,20.2,19.6,20.1,19.9
1909,20.7,19.9,19.6,19.9,20.1,20.8,20.6,20.4,20.2,19.6,20.1,19.8
1910,20.7,19.9,19.6,19.8,20,20.7,20.7,20.3,20.1,19.6,20.1,19.9
1911,20.7,19.8,19.6,19.8,20,20.6,20.6,20.3,20.2,19.6,20.1,19.9
1912,20.6,19.9,19.7,20,20.2,20.9,20.6,20.3,20.2,19.6,20.1,19.9
1913,20.7,19.9,19.6,19.8,20,20.7,20.6,20.3,20.2,19.6,20.1,20
1914,20.6,19.8,19.7,20,20.1,20.7,20.7,20.4,20.2,19.7,20.2,20
1915,20.7,19.9,19.8,20,20.2,20.8,20.7,20.4,20.3,19.6,20.2,20
1916,20.7,19.9,19.6,19.9,19.9,20.7,20.7,20.4,20.2,19.6,20.1,19.9
1917,20.7,19.8,19.6,19.9,20,20.7,20.6,20.3,20.2,19.6,20.1,19.9
1918,20.5,19.7,19.5,19.8,20.1,20.6,20.7,20.3,20.3,19.6,20.1,19.9
1919,20.7,19.9,19.7,20,20.2,20.8,20.6,20.4,20.2,19.6,20.1,19.9
1920,20.7,19.9,19.6,20,20.1,20.8,20.7,20.4,20.2,19.6,20.1,19.9
1921,20.6,19.9,19.6,19.8,20.1,20.7,20.7,20.4,20.2,19.6,20.1,19.9
1922,20.7,19.8,19.6,20,20.1,20.8,20.6,20.3,20.2,19.7,20.2,20
1923,20.6,19.9,19.5,19.9,20.1,20.7,20.7,20.3,20.2,19.6,20.1,20
1924,20.4,19.7,19.5,19.7,19.9,20.6,20.4,20.3,20,19.4,19.8,19.6
1925,20.5,19.7,19.5,19.8,19.8,20.6,20.4,20.3,20.1,19.4,19.9,19.7
1926,20.4,19.6,19.4,19.8,20.1,20.7,20.5,20.1,20,19.5,19.9,19.8
1927,20.5,19.8,19.6,19.8,19.9,20.6,20.5,20.2,20.1,19.5,20.1,19.8
1928,20.6,19.8,19.6,19.9,20,20.6,20.6,20.3,20.1,19.6,20.1,19.7
1929,20.3,19.6,19.5,19.7,19.9,20.7,20.3,20.1,20.1,19.4,19.9,19.6
1930,20.4,19.5,19.4,19.7,19.9,20.6,20.6,20.3,19.9,19.6,19.9,19.7
1931,20.5,19.6,19.5,19.9,20.1,20.8,20.6,20.3,20,19.4,20,19.8
1932,20.5,19.6,19.5,19.7,19.8,20.6,20.4,20.2,20,19.5,19.9,19.7
1933,20.4,19.7,19.6,19.9,20,20.6,20.5,20.2,19.9,19.3,19.9,19.8
1934,20.6,19.7,19.5,19.8,19.9,20.6,20.6,20.2,20,19.5,19.9,19.7
1935,20.4,19.7,19.5,19.8,20,20.7,20.5,20.3,20.1,19.5,19.9,19.8
1936,20.6,19.8,19.6,19.7,19.9,20.5,20.5,20.1,20.1,19.5,20.1,19.9
1937,20.7,19.8,19.6,19.8,20,20.7,20.5,20.1,20,19.5,19.9,19.9
1938,20.6,19.8,19.5,19.8,19.8,20.6,20.6,20.4,20.1,19.5,19.9,19.7
1939,20.6,19.6,19.5,19.8,19.9,20.6,20.7,20.4,19.9,19.5,19.9,19.8
1940,20.5,19.6,19.5,19.8,20,20.6,20.6,20.2,20.1,19.4,19.9,19.9
1941,20.5,19.6,19.5,19.9,20.1,20.7,20.6,20.3,20.1,19.6,20,19.8
1942,20.5,19.9,19.6,19.8,20,20.7,20.6,20.3,20.1,19.6,20,19.8
1943,20.5,19.8,19.5,19.8,20,20.5,20.7,20.2,20.1,19.4,20,19.8
1944,20.7,19.9,19.7,20,20.2,20.8,20.7,20.4,20.3,19.7,20.2,20
1945,20.7,19.9,19.7,20,20.2,20.8,20.7,20.4,20.3,19.7,20.2,20
1946,20.7,19.9,19.7,20,20.2,20.8,20.7,20.4,20.3,19.7,20.2,20
1947,20.8,19.9,19.7,20.1,20.2,20.9,20.9,20.5,20.4,19.8,20.2,20
1948,20.7,19.9,19.6,20.1,20.1,20.7,20.7,20.4,20.2,19.6,20.1,19.8
1949,20.6,19.9,19.6,19.9,19.8,20.8,20.6,20.3,20.2,19.6,20,19.7
1950,20.5,19.7,19.3,19.9,20,20.7,20.7,20.2,20.1,19.5,20,19.8
1951,20.5,19.8,19.4,19.7,20.1,20.6,20.2,20.3,20.2,19.7,20.3,20
1952,20.4,20.3,19.5,19.7,20.3,20.5,20.7,19.8,19.9,19.5,20,20
1953,20.1,19.7,19.4,19.6,19.5,20.6,20.5,19.7,19.9,19.8,19.9,19.7
1954,20.1,19.4,19.7,19.5,19.5,20.2,20.3,20.2,19.9,18.5,19.5,19
1955,20.1,19.4,19.2,19.5,19.8,20.9,20.7,20.4,20.2,19.5,20.2,19.5
1956,20,19.4,19.4,19.6,19.5,20.1,20.3,20,19.6,19.2,19.7,19.5
1957,20,19.3,19.5,19.9,19.9,21.3,20.8,19.9,19.9,19.6,19.8,19.5
1958,20.9,19.7,19.5,20,20.6,21.4,21.1,20.6,19.9,19.7,19.9,19.6
1959,20.2,19.8,19.8,19.5,19.6,20.6,20.2,19.9,19.9,19.4,20,19.4
1960,20.2,19.3,18.9,19.7,19.2,20.1,20.5,20,19.8,19.5,20,19.5
1961,20.1,19.6,19.5,19.8,19.5,19.7,20.1,19.5,19.8,19,19.1,19.8
1962,20.2,19.7,19.6,19.5,19.7,20.8,20.7,20,19.7,19.6,19.8,19.6
1963,20,19.4,19.3,19.1,19.3,20.2,19.9,19.5,19.9,19.1,19.8,19.3
1964,20.3,20.3,19.2,19.8,19.9,20.1,20.3,19.8,20.2,19.5,19.5,19.4
1965,20.2,19.5,19,19.4,19.8,20.5,19.7,19.7,20.2,19.6,20.2,19.7
1966,20.7,19.7,19.5,20.2,20.2,20.8,20.7,20.6,20.6,19.7,20.2,20
1967,20.7,19.7,19.4,19.6,19.9,20.3,20.5,20.1,20,19.7,20.2,19.7
1968,20.6,19,19.6,19.8,19.7,21,21,20.3,20.3,19.7,19.9,19.9
1969,20.4,19.3,19.7,19.9,20.6,20.9,21.3,20.5,20.3,19.5,20.5,20.2
1970,20.8,20.4,20.3,20.1,20.3,21.4,20.8,20.3,20.5,20.1,20.4,20.3
1971,20.8,19.9,19.3,19.6,20.3,20,20.3,20.1,20.4,19.8,20,19.9
1972,20.6,19.8,19.4,19.5,19.5,20.6,20.8,20.4,20.2,19.6,20.1,19.8
1973,20,19.6,19.7,20.2,20.3,21.5,21,20.6,20.4,19.8,20,19.7
1974,20,20,19.4,20,20,20.3,20.5,20.5,20.5,19.6,20.2,19.6
1975,20.8,19.7,19.5,19.8,19.8,20.6,21.1,20.8,20.4,19.6,20,19.9
1976,20.5,19.4,19.2,19.9,19.9,20.5,20.7,20.1,20.1,19.9,20.8,20.7
1977,21.1,20.5,19.6,20,20.4,20.6,20.7,20.4,20.4,19.9,20.5,20.1
1978,20.6,19.9,20.1,20.1,20.7,21,21,21.1,20,19.5,19.9,20
1979,20.4,20.3,19.7,20,20.2,20.9,20.7,20.5,20.3,19.5,20.3,19.9
1980,20.7,19.8,19.7,20.2,20.8,21.3,20.9,20.4,20.4,19.9,20.5,20.1
1981,20.6,19.7,19.6,20.2,20,21.1,21.4,20.9,20.8,19.7,20.5,20.3
1982,20.8,20.1,20,20.2,20.1,20.7,20.6,20.5,20.1,19.2,20,20.1
1983,20.8,20.2,19.7,19.9,20.4,21,20.4,20.8,20.3,19.8,20.1,20.3
1984,21,20.1,20.1,20.4,20.6,20.4,20.5,20.5,20.2,19.5,20.3,20.4
1985,20.9,20.5,20.5,20.4,20.4,20.1,19.8,20.3,19.9,19.5,20.5,20.7
1986,21.1,20.2,20.2,20.3,21.2,21.4,20.4,20.5,20.6,20.2,20.3,20
1987,20.9,20,20.2,20.7,21,22,20.9,20.3,21.1,20.6,21.1,20.4
1988,21.4,20.8,20.6,20.5,20.8,21.1,20.8,21,21.1,20,20.8,19.8
1989,21.7,20.9,20.2,20.4,20.8,20.9,21.3,20.5,20.8,19.5,20.9,20.3
1990,21.3,20.5,20.5,20.6,20.7,21.1,21.6,20.6,20.5,20.1,20.4,20.4
1991,21.2,20,20,20.3,20.4,21.4,21.3,20.8,20.4,19.9,20.5,20.3
1992,20.7,20,20.4,20.2,20.9,21,21.1,21.2,21,19.7,20.2,20.1
1993,20.8,20.1,20.4,20.4,20.6,21.5,21.5,20.8,20.6,20.4,21,20.5
1994,21.3,20.5,20.2,20.2,20.4,20.8,20.9,20.2,20.3,20.3,20.3,19.8
1995,20.6,20.4,19.8,19.9,20.5,21.5,21,20.8,20.6,19.9,20.5,20
1996,20.9,20.6,20.3,20.1,20.4,21.2,20.8,20.4,20.5,19.9,20.5,19.8
1997,20.4,20.2,19.8,20.1,20.1,21.1,21.1,20.6,20.5,19.9,20.7,20.2
1998,20.5,20.3,20.1,20.6,21.2,21.5,21.7,21.2,20.8,20.4,20.6,20
1999,20.7,20,19.6,20,19.7,20.9,20.7,20.1,20.5,20.1,20.1,20.3
2000,21,20.3,20.1,19.7,20.2,20.2,20.9,20.5,20.8,19.8,20.7,20.6
2001,21.2,20.7,20,20.3,19.8,21.5,21,20.3,21,20.3,20.3,20.1
2002,21.8,20.5,20.9,20.5,20.7,21.1,21.4,20.3,20.8,20.7,21.2,20.7
2003,21.4,20.4,20.4,20.8,20.8,21.3,21.1,20.8,20.2,19.9,20.3,19.9
2004,21,20.2,20.3,20.7,20.3,20.5,20.5,20.5,20.3,20,20.8,20.4
2005,21.5,20.6,20.4,20.2,20.2,21.1,20.7,20.5,20.4,20,20.6,20.4
2006,21.2,20.5,20.1,20.3,20.3,21,21,20.7,20.5,19.7,20.4,20.5
2007,20.8,20.2,20.1,20.2,20.5,21.1,20.9,20.6,20.5,19.9,20.6,20.6
2008,21.4,20.5,20.1,20.4,20,20.8,21.1,20.5,20.4,19.9,20.3,20.3
2009,21.2,20.5,20.4,20.4,20.5,21,20.9,20.8,20.6,19.8,20.3,20
