1901,21.2,21.4,21.6,21.8,21.5,20.9,20.6,20.6,21,21.4,21.6,21.6
1902,21.2,21.4,21.6,21.8,21.5,20.9,20.6,20.6,21,21.4,21.6,21.6
1903,21.2,21.4,21.6,21.8,21.5,20.9,20.6,20.6,21,21.4,21.6,21.6
1904,21.2,21.4,21.6,21.8,21.5,20.9,20.6,20.6,21,21.4,21.6,21.6
1905,21.2,21.4,21.6,21.8,21.5,20.9,20.6,20.6,21,21.4,21.6,21.6
1906,21.2,21.4,21.6,21.8,21.5,20.9,20.6,20.6,21,21.4,21.6,21.6
1907,21.2,21.4,21.6,21.8,21.5,20.9,20.6,20.6,21,21.4,21.6,21.6
1908,21.2,21.4,21.6,21.8,21.5,20.9,20.6,20.6,21,21.4,21.6,21.6
1909,21.2,21.4,21.6,21.8,21.5,20.9,20.6,20.6,21,21.4,21.6,21.6
1910,21.2,21.4,21.6,21.7,21.5,20.9,20.6,20.6,21,21.4,21.6,21.6
1911,21.2,21.4,21.6,21.8,21.5,20.9,20.6,20.6,21,21.5,21.7,21.7
1912,21.2,21.4,21.7,21.9,21.5,21,20.6,20.7,21,21.5,21.7,21.6
1913,21.2,21.5,21.6,21.8,21.5,20.9,20.6,20.6,21,21.4,21.7,21.7
1914,21.4,21.5,21.7,21.8,21.5,20.9,20.7,20.6,21.1,21.5,21.7,21.7
1915,21.3,21.5,21.7,21.9,22,21,20.7,20.8,21,21.6,21.4,21.6
1916,21.3,21.4,21.7,21.9,21.5,20.6,20.7,20.6,21.1,21.3,21.5,21.4
1917,21.1,21.3,21.4,21.4,21.1,20.6,20.6,20.2,20.6,21.1,21.4,21.1
1918,20.8,21.1,21.8,21.7,21.4,21,20.6,20.4,21,21.5,21.7,21.6
1919,21.2,21.5,21.6,21.8,21.5,21,20.6,20.6,21,21.4,21.6,21.6
1920,21.2,21.4,21.6,21.8,21.5,20.9,20.6,20.6,21,21.5,21.6,21.5
1921,21.1,21.2,21.3,21.5,21.3,20.7,20,20.3,20.8,21.4,21.3,21.6
1922,21.2,21.3,21.4,21.7,21.4,20.7,20.5,20.5,21,21.4,21.5,21.4
1923,20.6,21.3,21.3,21.4,21,20.9,20,20.4,20.9,21.5,21.7,21.3
1924,21.8,21.7,21.9,22,21.3,20.4,20.5,20.3,20.5,20.8,21.4,21.2
1925,20.7,20.8,21,21.6,21.5,20.8,20.5,20.4,20.8,21.7,21.7,21.9
1926,21.5,21.7,22,22.1,21.5,20.9,20.6,20.6,21,21.2,21.7,21.2
1927,20.8,21,21.3,21.6,21.2,20.7,20.2,20.3,20.7,20.9,21.5,21.7
1928,21.1,21.3,21.4,21.8,21.3,20.8,20.4,20.3,20.7,21.2,21.4,21.3
1929,21.2,21.4,21.2,21.7,21.3,20.8,20.2,20.4,20.9,21.3,21.5,21.4
1930,20.8,21.2,21.6,21.7,21.3,20.8,20.3,20.3,20.6,21.3,21.7,21.5
1931,21.6,21.7,21.9,22.1,21.6,21.1,20.4,20.5,20.9,21.4,21.5,21.4
1932,21,21.5,21.2,21.7,21.3,20.8,20.5,20.5,20.8,21.3,21.8,21.5
1933,21.1,21.1,21.2,21.6,21.4,20.6,20.6,20.6,21,20.9,21.1,21
1934,20.8,20.5,20.8,21.4,21.2,20.9,20.4,20.3,20.8,20.8,21.3,21.4
1935,21.2,21,21.6,21.5,20.9,20.5,20.5,20.3,20.5,21.5,21.5,21.7
1936,20.7,21.3,21.2,21.2,21.4,20.9,20.4,20.3,20.9,21.3,21.9,21.5
1937,20.7,21,21.5,21.5,21.3,20.9,20.6,20.7,21.1,21.2,21.8,21.7
1938,21.2,21.4,21.1,21.2,21.1,20.5,20.6,20.2,20.9,21.4,21.5,21.4
1939,20.5,20.9,20.8,21,21.2,20.8,20.5,20.2,20.4,21.5,21.9,21.9
1940,21.1,21.4,21.4,21.6,21.4,21.1,20.7,20.1,20.6,21.2,21.6,21.5
1941,20.7,21.5,21.6,21.9,21.6,20.5,20.8,20.6,20.7,22.4,22.9,22.8
1942,21.3,20.9,21.8,22,21.1,20.3,20.7,20.4,20.6,21.8,22.2,21.4
1943,21.8,21,21.9,21.8,21,20.7,21.8,20.1,20.9,21.9,22.5,21.9
1944,21.2,21.1,21.1,21.7,21.6,21,22.1,20.9,21.1,22.1,22.1,22.3
1945,21.5,21.4,21.6,21.8,21,20.4,21.1,20.9,21.4,21.9,22,22.1
1946,20.6,20.9,21.4,21.9,21.2,20.9,20.6,20.2,20.6,21.9,22.1,21.9
1947,20.9,21.2,21.5,21.2,21.1,20.7,20.7,20,20.4,21.2,21.3,21
1948,20.7,21.3,21.1,21.5,21.6,20.7,20.4,20,20.7,21.8,21.9,21.6
1949,21.8,21.1,21.7,20.6,21.2,20.6,20.3,20.2,20.7,21.3,21.7,22
1950,20.8,20.3,20.9,21.3,20.9,20.5,20,20.1,20.7,21.3,21.7,21.3
1951,20.6,20.1,21,20.8,21.1,20.5,20.7,20,20.7,21.5,21.6,21.4
1952,20.5,21,21.9,21.3,21.3,20.2,20.4,19.8,20.2,21.2,22,21.7
1953,20.9,20.6,21.1,21.7,21.8,20.9,19.9,20.3,21.1,21.7,21.9,22
1954,20.5,21.1,20.7,21.7,21.3,20.8,20.1,20,20.7,21,21.6,21.4
1955,21.2,20.5,21.1,20.9,21,20.6,19.9,20,20.5,21.7,21.2,21.3
1956,20.4,20.6,21,21.2,21,19.7,20.2,19.3,20.6,21,21.5,21.8
1957,20.5,21.1,21.4,21.6,21.8,20.7,20.4,20.3,21.5,21.4,21.2,21.6
1958,21.5,21.9,21.7,21.6,21.5,21.2,20.7,20.2,21.7,21.8,21.1,22.5
1959,21.5,20.7,21.4,21.7,20.9,20.9,21,20.9,21.2,21.1,22.4,21.6
1960,21.9,21.3,21.4,21.5,21.3,21,20.1,20.5,20.5,21.9,21.4,22.6
1961,20.8,21.4,21.5,22,21.5,20.6,21.2,21,21.3,21.7,21.9,21.2
1962,21.5,21.5,21.4,21.6,20.9,20.5,20.1,20.9,21.5,21.3,21.5,22.9
1963,21.9,21.2,21.2,21.4,21.4,21.1,21.6,21.3,21.6,22.1,21.9,21.9
1964,21.9,21.7,21.5,21.9,21.2,21.1,20.5,21,21,21.6,21.6,22.6
1965,22.2,21.6,21.8,22.1,21.9,21.2,21.2,20.6,21.7,22.4,21.6,21.7
1966,21.7,21.7,21.9,21.9,21.9,21.8,20.8,20.8,21.3,22.3,21.9,22.1
1967,20.8,21.6,22,21.7,21.7,21.2,21.3,20.5,21.7,21.5,23,22.1
1968,21.1,22.1,21.4,22,20.8,21.1,20.6,20.8,21,21.7,22.5,22.2
1969,21.6,21.7,22.4,22.3,22.6,21.5,20.6,20.6,21.4,21.9,22.4,22.1
1970,21.4,21.5,21.8,21.9,21.6,21,20.7,21.1,20.7,22.4,22.3,21.8
1971,21.3,21.1,21.2,21.7,21.4,20.9,21.2,20.7,21.2,21.5,21.5,21.8
1972,20.9,21.6,21.6,21.2,21.9,21.6,21.4,20.9,21.1,22.1,22.5,22.6
1973,21.9,22.1,21.9,22.5,21.5,22.2,20.6,20.3,20.6,22,20.5,20.8
1974,21,20.8,21.2,21.8,21.1,20.7,20.1,20.3,20.2,20.3,21.1,20.9
1975,19.9,20.7,21.1,21.2,20.8,20.2,19.4,19.9,20.3,20.6,21,20.9
1976,20.4,21.2,20.7,21.3,21.1,20.4,20.8,20.3,20.5,21.4,20.8,20.9
1977,21.6,20.2,21,21.6,21.1,19.8,20.8,20.4,20.5,20.8,21.1,21.2
1978,21.4,21.3,21.4,21.6,21.3,20.4,20.1,19.5,20.6,20.7,21,21.6
1979,21.6,21.5,21.8,21.6,21.3,20.1,20.3,20.6,21.2,21.5,21.4,21.1
1980,21.4,22.3,21.2,22.1,21.7,20.8,20.3,20.3,20.6,20.6,21.6,21.9
1981,21.3,20.6,21.7,22,21.9,20.9,19.7,20,20.5,21.4,21.4,21.2
1982,21.4,22,22.3,22.5,21.6,21.7,20.2,20.6,20.9,21.8,22.4,21.2
1983,22.5,22.7,22.2,22.4,22.6,20.9,20.9,21.2,21.2,20.9,21.6,21.2
1984,20.8,20,21.6,22.1,22.2,21,20.4,20.5,20.5,22,21.3,21.3
1985,22.3,20.5,21.4,22,21.6,20.6,20.2,19.8,20.3,21,21,21
1986,20.9,21.9,21.2,22,21.6,20.5,20.2,20.6,21.2,20.7,21.4,20.6
1987,21.1,20.9,21.8,21.9,21.4,21,21.4,20.3,21,22.3,22.3,22.1
1988,20.6,21.7,22.4,21.9,21.8,20.3,21.1,21.7,21,21.9,21.3,21.4
1989,20.5,21.5,22,21.7,21,20.4,19.4,20.6,21.2,21.7,21.4,21.6
1990,21.4,21.8,21.7,21.6,21.6,21,19.9,21,21,21.1,21.9,20.9
1991,21.3,21.3,21.8,23,22.1,21.4,21.2,19.3,20.8,21,21,21.5
1992,21.3,21.5,21.2,21.9,21.7,21.2,19.7,20.5,19.9,20.7,20.7,21
1993,21.2,21.2,21.1,21.4,21.1,21,20.1,20.1,20.2,20.9,20.4,21
1994,20.6,20.6,21.7,22.1,21.5,20.4,20.5,20.6,20.4,21,20.9,20.8
1995,21.7,21.8,21.1,21.9,21.5,21.9,21.2,20.6,20.8,21.1,21.2,21.4
1996,20.9,22,22.5,22.1,21.6,20.1,21,20.4,19.9,21.9,21.4,21.2
1997,21.8,20.9,21.4,22.5,21.9,21.7,21.2,20.4,21.3,22.3,21.8,21
1998,21.7,21.6,23,22.8,21.8,21.2,21,21.7,21.2,22,21.3,21.8
1999,21.3,21,21.3,20.7,20.9,20.9,20.6,20,20.1,21.1,21.4,21.5
2000,21.3,21.1,20.9,21.4,21.5,21.2,20,20.7,21,22.1,21.7,21.4
2001,20.5,20.6,21.3,21.9,21.6,20.3,20.7,20.6,21.1,21.6,21.9,21.5
2002,21.7,21.4,21.2,21.8,21.6,21.2,20.8,21,21.6,21.7,21.5,22
2003,21.9,21.9,23.1,22.4,21.8,21.1,20.4,20.1,21.6,22,21.6,21.6
2004,23,21.8,22.2,22.8,21.3,21.1,20.2,20.4,20.7,21.9,22.6,21.7
2005,22.6,21.8,21.9,22.3,21.9,21.8,20.5,20.6,20.9,22.1,21.8,21.7
2006,21.1,21.2,22.2,22.5,21.1,21.1,20.9,20.6,21.5,22,21.4,21.6
2007,21.4,22,21.5,22.5,21.7,21.3,20.7,20.5,20.9,21.2,21.3,21.6
2008,20.9,20.8,21.2,21.8,21,20.9,21,21,21.2,21.4,21.4,21.7
2009,20.7,20.9,21.2,22.6,21,20.9,22,21.1,21.5,21.9,22.3,21.5
