1901,21.5,21.5,21.7,22.1,22.2,21.9,21.6,21.5,21.5,21.6,21.7,21.6
1902,21.5,21.5,21.7,22.1,22.2,21.9,21.6,21.5,21.5,21.6,21.7,21.6
1903,21.5,21.5,21.7,22.1,22.2,21.9,21.6,21.5,21.5,21.6,21.7,21.6
1904,21.5,21.5,21.7,22.1,22.2,21.9,21.6,21.5,21.5,21.6,21.7,21.6
1905,21.5,21.5,21.7,22.1,22.2,21.9,21.6,21.5,21.5,21.6,21.7,21.6
1906,21.5,21.5,21.7,22.1,22.2,21.9,21.6,21.5,21.5,21.6,21.7,21.6
1907,21.5,21.5,21.7,22.1,22.2,21.9,21.6,21.5,21.5,21.6,21.7,21.6
1908,21.5,21.5,21.7,22.1,22.2,21.9,21.6,21.5,21.5,21.6,21.7,21.6
1909,21.5,21.5,21.7,22.1,22.2,21.9,21.6,21.5,21.5,21.6,21.7,21.6
1910,21.5,21.5,21.7,22.1,22.2,21.9,21.6,21.5,21.5,21.6,21.7,21.6
1911,21.6,21.8,21.9,22.2,22.2,22.1,22.1,21.6,21.7,21.7,22.2,22
1912,22.2,22,22.3,22.4,22.4,22,21.8,21.6,21.7,21.8,21.9,22
1913,21.9,21.9,22.3,22,22.2,21.8,21.8,21.7,21.7,21.9,22,22.1
1914,21.8,22,22,22.3,22.7,21.9,21.9,22,21.9,22,22.4,22.3
1915,21.9,21.9,22.1,22.5,22.5,22.4,21.8,22.2,21.8,21.9,22.3,22
1916,21.7,21.9,21.9,22.3,22.1,21.9,21.4,21.6,21.7,21.9,22.1,21.9
1917,21.5,21.3,21.7,22.2,21.7,21.8,21.7,21.4,21.5,21.7,22.1,21.8
1918,20.7,20.7,21.7,21.8,21.9,21.5,21.8,21.7,21.7,21.6,22.1,21.5
1919,22,22.1,22.3,22.5,22.6,22.3,21.7,21.9,21.7,21.8,22,21.8
1920,21.8,21.8,22,22.4,22.4,22.3,21.9,21.6,21.8,21.8,22.3,21.6
1921,21.7,21.6,21.9,22.2,22,21.9,21.7,21.8,21.8,21.6,21.9,22
1922,22.1,21.7,21.7,21.9,21.9,21.9,21.7,21.4,21.8,21.7,22.3,22.2
1923,21.7,21.8,21.7,22.4,22.2,22.1,21.6,21.4,21.4,21.7,22,21.9
1924,22,21.8,21.7,22.3,22.2,21.8,21.8,21.9,21.5,21.6,21.6,21.6
1925,21.7,21.2,21.5,22.1,22.3,22.1,21.8,21.8,21.7,21.6,21.9,21.6
1926,21.5,21.8,22,22.7,22.5,22.1,21.8,21.8,21.6,21.7,21.9,21.9
1927,21.6,21.7,22.1,22.2,22.2,22,21.8,21.8,21.8,21.5,21.9,22
1928,21.9,21.6,21.8,22.2,22.3,22,21.8,21.7,21.7,21.7,21.8,22
1929,21.5,21.3,21.4,22.2,22.3,21.7,22,21.8,21.6,21.6,21.6,21.7
1930,21.8,21.7,21.7,22.3,22.2,21.9,22.2,22.3,21.8,21.8,22,22
1931,22,22.2,22.2,22.5,22.5,22.3,21.9,22.3,21.7,21.8,22,21.6
1932,21.5,21.6,21.6,22.1,22,21.7,21.7,21.6,21.6,21.8,21.7,21.9
1933,21.7,21.6,21.7,22.2,22.4,22.1,21.8,21.8,21.5,21.5,21.5,21.5
1934,21.1,21,21.2,21.9,22.2,21.8,21.8,21.7,21.7,21.6,21.8,21.9
1935,21.8,21.8,22.1,22.1,21.9,21.9,22,21.7,21.8,21.8,22,21.9
1936,21.9,22.1,21.8,22.3,22.3,21.9,21.8,21.5,21.7,21.6,21.8,22.1
1937,22,21.8,22.1,22.3,22,22.2,21.9,22,21.7,21.5,21.9,22
1938,21.8,22.1,21.7,22.1,22,22.1,21.8,21.5,21.7,21.9,22,22.1
1939,21.9,21.8,21.9,22.3,22.2,21.9,21.9,21.7,21.6,21.9,22,22
1940,21.5,20.8,21.4,22.1,22.2,21.9,21.7,21.6,21.6,21.7,21.7,21.6
1941,21.9,21.8,22.1,22.6,22.9,22.3,21.7,21.8,21.6,22,22.1,22.2
1942,21.5,21.5,21.7,22.1,22.2,21.9,21.6,21.5,21.5,21.6,21.7,21.6
1943,21.5,21.5,21.7,22.1,22.2,21.9,21.6,21.5,21.5,21.6,21.7,21.6
1944,21.5,21.5,21.7,22.1,22.2,21.9,21.6,21.5,21.5,21.6,21.7,21.6
1945,21.5,21.5,21.7,22.1,22.2,21.9,21.6,21.5,21.5,21.6,21.7,21.6
1946,21.5,21.5,21.7,22.1,22.2,21.9,21.6,21.5,21.5,21.6,21.7,21.6
1947,21.5,21.5,21.7,22.1,22.2,22,21.6,21.5,21.5,21.6,21.7,21.6
1948,21.6,21.6,21.8,22.5,22.4,22.3,21.8,21.9,21.7,21.9,21.8,22.2
1949,22,21.9,22.1,22.3,22.1,22,21.8,21.8,21.8,21.6,21.6,21.5
1950,21.5,21,21.7,22.2,22,21.9,21.5,21.7,21.6,21.7,21.9,21.8
1951,21.9,21.6,21.7,22.4,22.2,22.2,21.7,21.9,21.9,22,22.2,22.1
1952,22.4,22.3,21.7,22.3,22.2,22.3,21.8,21.8,21.7,21.9,22,22
1953,22.1,21.7,22.3,22.4,22.5,22.6,22,21.5,22.1,22.1,22.3,22.3
1954,22.1,21.7,21.9,22.4,22.5,22.1,21.9,21.9,22.1,21.5,22.1,22
1955,21.9,21.5,21.3,22.2,23,21.9,22,22.1,22.1,22.3,21.8,22.1
1956,21.5,21.4,21.7,22.2,22.4,21.8,21.7,21.7,21.8,21.6,22,21.8
1957,21.7,20.9,22,22.2,22.4,22.4,22.1,21.9,21.7,22,22,22.2
1958,22.1,21.8,22.2,22.2,22.5,22.3,22.3,21.8,21.9,22,21.6,22.3
1959,22.1,21.8,21.2,22,22.2,21.9,21.6,21.6,21.4,21.9,21.8,21.8
1960,21.8,21.5,21.4,22.2,22,22,21.9,22.2,21.9,21.8,21.9,21.8
1961,20.8,21.2,21.4,21.5,21.8,21.3,20.9,20.8,20.8,21.1,21.3,21.2
1962,21.6,21.2,21.2,21.5,21.7,21.3,21.4,20.8,21.3,21.6,21.5,21.6
1963,21.4,21.4,21.4,21.6,21.9,21.5,20.9,21.3,21,21.3,21.4,21.2
1964,21.5,22.2,21.8,22,22,21.5,21.2,21.1,21.4,21.1,21.4,20.7
1965,20.3,20.8,21.3,21.1,22.1,21.5,21,20.9,20.6,21.4,21.4,21.5
1966,21.5,21.8,21.6,22,22,21.8,21.3,21.3,20.9,21.5,21.4,21.3
1967,21.1,20.9,21.3,21.5,21.8,21.4,21.2,20.9,20.5,21.1,21.1,21.5
1968,21.1,20.2,21.3,21.1,21.5,21.5,21.4,21,21.1,21.3,21.3,21.4
1969,21.1,21.3,21.5,22.2,22.3,22,21.7,20.9,21.1,21.3,21.5,21.5
1970,21.3,21.4,21.7,22.1,22,22,21.7,21.1,21.1,21.6,21.5,21.2
1971,21.7,21.8,21.5,22.3,22.1,21.7,21.5,21.8,22.1,22,21.8,21.8
1972,20.6,21.6,21.3,22.2,22.1,21.9,22.1,21.8,21.9,22.1,22.4,22.2
1973,22,22.2,22.9,23.3,22.7,22.6,22.6,22.1,22.1,22.5,22.2,21.9
1974,20.9,21.8,21.4,22,22.2,21.8,21.8,22,22,22.1,22.2,21.5
1975,21.9,21.7,21.9,22.6,22.3,22.1,21.5,22.1,22.2,22.1,22,21.9
1976,20.7,20.4,20.9,20.9,21.7,21,20.8,20.9,21.1,21.5,21.4,21.4
1977,21.1,21.1,21.5,22.1,21.4,21.2,21.3,21,21.5,21.5,21.6,21.6
1978,21.1,21.4,21.5,21.6,22.1,21.4,21.4,21.4,21.2,21.5,21.2,21.8
1979,21.5,21.3,21.6,21.8,22.1,21.8,21.7,21.6,21.3,21.7,22,21.6
1980,21.9,21.1,21.1,21.4,22.3,21.8,21.6,21.3,21.2,21.7,21.6,21.4
1981,21.4,21.3,22,22.6,22.9,22.5,22.1,21.7,21.9,21.9,22,21.8
1982,22.2,21.7,21.6,22,22.2,21.8,22.1,21.4,21.4,21.2,21.6,22.1
1983,22.3,22.5,22.6,22.9,22.8,22.7,22.4,22.5,22,22.2,22,21.8
1984,21.5,21.7,21.9,22.2,22.3,22,21.7,21.7,21.1,21.4,21.6,21.6
1985,21.1,21.7,21.7,22.2,22.5,22.1,21.1,21.4,21.4,21.4,21.6,21.7
1986,21.9,21.2,22,22.1,22.3,22.2,21.6,21.8,21.5,21.5,21.7,21.9
1987,22,21.3,22,22.4,22.2,22.6,21.7,22,21.8,21.8,22.4,22.3
1988,22.4,22.4,22.7,22.4,22.9,22.1,22.4,22.1,22.3,21.7,22.1,21.2
1989,21.6,21.5,21.2,21.7,22.4,21.8,21.8,21.8,21.7,21.7,22,21.7
1990,21.7,22,21.9,22.6,22.4,22.7,21.7,21.7,21.8,21.9,21.7,22
1991,22,21.9,22.1,22.3,22.5,22.8,22.6,21.9,22.1,21.4,21.5,21.7
1992,21.6,21.8,22.2,22.3,22.7,22.8,21.9,22.1,21.4,21.6,21.6,21.7
1993,21.7,21.6,21.7,22.2,22.5,22.3,22,21.7,21.6,21.5,22,21.9
1994,21.9,21.8,21.8,22.2,22.3,22.1,21.6,21.6,22.3,21.5,21.8,22.1
1995,22.2,21.8,22.2,22.6,22.5,22.5,22.3,22.1,22.2,21.9,22.2,21.8
1996,21.5,21.7,22.4,22.3,22.6,22.6,22.4,22.1,22.2,22.1,21.9,21.7
1997,21.5,21.4,22.2,22.3,22.5,22.2,22.9,22.9,22.3,22,22.4,22.6
1998,23.1,23.3,23.5,23.6,23.9,22.9,22.8,22.5,22.6,22.3,22.2,21.8
1999,22.2,22,22.1,22.7,22.5,22.2,22.2,22.1,21.9,21.8,21.9,22.1
2000,22,22.2,22,22.3,22.7,22.3,22.7,22.1,21.9,22.2,22.3,22.3
2001,21.8,21.8,21.9,22.7,23.1,22.5,22.2,22.7,22.5,22.1,22.3,22.1
2002,22.3,21.9,22.4,22.9,23.3,22.4,22.3,21.7,21.9,21.7,22.2,22.2
2003,21.9,22.3,22.2,22.3,23.4,22.2,22.1,22.3,21.8,21.7,22,22
2004,21.9,21.8,22.1,22.4,22.6,22.8,22,22.5,21.7,22,22.1,22.1
2005,22,22.3,22.5,22.6,22.9,22.7,22.7,22.6,22.3,22,21.9,21.7
2006,22.1,22.2,22.3,22.4,22.6,22.5,22.8,22.5,22,22.2,22.2,22.4
2007,22.4,22,22,22.8,23,22.3,22.4,22.4,22.1,22.2,22,22.3
2008,21.7,22.1,21.8,22.3,22.7,22.4,22.3,22.2,22,22.1,22.3,22.2
2009,22.3,22.1,21.6,22.6,22.6,22.8,22.4,22.2,22.2,22.1,22.3,22.1
