1901,21.9,22.3,22.4,22.1,21.8,21.4,21.1,21.4,21.5,21.4,21.5,21.5
1902,21.9,22.3,22.4,22.1,21.8,21.4,21.1,21.4,21.5,21.4,21.5,21.5
1903,21.9,22.3,22.4,22.1,21.8,21.4,21.1,21.4,21.5,21.4,21.5,21.5
1904,21.9,22.3,22.4,22.1,21.8,21.4,21.1,21.4,21.5,21.4,21.5,21.5
1905,21.9,22.3,22.4,22.1,21.8,21.4,21.1,21.4,21.5,21.4,21.5,21.5
1906,21.9,22.3,22.4,22.1,21.8,21.4,21.1,21.4,21.5,21.4,21.5,21.5
1907,21.9,22.3,22.4,22.1,21.8,21.4,21.1,21.4,21.5,21.4,21.5,21.5
1908,21.9,22.3,22.4,22.1,21.8,21.4,21.1,21.4,21.5,21.4,21.5,21.5
1909,21.9,22.3,22.4,22.1,21.8,21.4,21.1,21.4,21.5,21.4,21.5,21.5
1910,21.9,22.3,22.4,22.1,21.8,21.4,21.1,21.4,21.5,21.4,21.5,21.5
1911,21.9,22.3,22.4,22.1,21.8,21.4,21.1,21.4,21.5,21.4,21.5,21.5
1912,21.9,22.3,22.4,22.1,21.8,21.4,21.1,21.4,21.5,21.4,21.5,21.5
1913,21.9,22.3,22.4,22.1,21.8,21.4,21.1,21.4,21.5,21.4,21.5,21.5
1914,21.9,22.3,22.4,22.1,21.8,21.4,21.1,21.4,21.5,21.4,21.5,21.5
1915,21.9,22.3,22.4,22.1,21.8,21.4,21.1,21.4,21.5,21.4,21.5,21.5
1916,21.9,22.3,22.4,22.1,21.8,21.4,21.1,21.4,21.5,21.4,21.5,21.5
1917,21.9,22.3,22.4,22.1,21.8,21.4,21.1,21.4,21.5,21.4,21.5,21.5
1918,21.9,22.3,22.4,22.1,21.8,21.4,21.1,21.4,21.5,21.4,21.5,21.5
1919,21.9,22.3,22.4,22.1,21.8,21.4,21.1,21.4,21.5,21.4,21.5,21.5
1920,21.9,22.3,22.4,22.1,21.8,21.4,21.1,21.4,21.5,21.4,21.5,21.5
1921,21.9,22.3,22.4,22.1,21.8,21.4,21.1,21.4,21.5,21.4,21.5,21.5
1922,21.9,22.3,22.4,22.1,21.8,21.4,21.1,21.4,21.5,21.4,21.5,21.5
1923,21.9,22.3,22.4,22.1,21.8,21.4,21.1,21.4,21.5,21.4,21.5,21.5
1924,21.9,22.3,22.4,22.1,21.8,21.4,21.1,21.4,21.5,21.4,21.5,21.5
1925,21.9,22.3,22.4,22.1,21.8,21.4,21.1,21.4,21.5,21.4,21.5,21.5
1926,21.9,22.3,22.4,22.1,21.8,21.4,21.1,21.4,21.5,21.4,21.5,21.5
1927,21.9,22.3,22.4,22.1,21.8,21.4,21.1,21.4,21.5,21.4,21.5,21.5
1928,21.9,22.3,22.4,22.1,21.8,21.4,21.1,21.4,21.5,21.4,21.5,21.5
1929,21.9,22.3,22.4,22.1,21.8,21.4,21.1,21.4,21.5,21.4,21.5,21.5
1930,21.9,22.3,22.4,22.1,21.8,21.4,21.1,21.4,21.5,21.4,21.5,21.5
1931,21.9,22.3,22.4,22.1,21.8,21.4,21.1,21.4,21.5,21.4,21.5,21.5
1932,21.9,22.3,22.4,22.1,21.8,21.4,21.1,21.4,21.5,21.4,21.5,21.5
1933,21.9,22.3,22.4,22.1,21.8,21.4,21.1,21.4,21.5,21.4,21.5,21.5
1934,21.9,22.3,22.4,22.1,21.8,21.4,21.1,21.4,21.5,21.4,21.5,21.5
1935,21.9,22.3,22.4,22.1,21.8,21.4,21.1,21.4,21.5,21.4,21.5,21.5
1936,21.9,22.3,22.4,22.1,21.8,21.4,21.1,21.4,21.5,21.4,21.5,21.5
1937,21.9,22.3,22.4,22.1,21.8,21.4,21.1,21.4,21.5,21.4,21.5,21.5
1938,21.9,22.3,22.4,22.1,21.8,21.4,21.1,21.4,21.5,21.4,21.5,21.5
1939,21.9,22.3,22.4,22.1,21.8,21.4,21.1,21.4,21.5,21.4,21.5,21.5
1940,21.9,22.4,22.3,21.9,22,21.6,21.1,21.6,21.7,21.4,21.6,21.6
1941,23.1,24.2,23.1,22.9,22.2,21.4,21.1,21.3,21.6,21.8,21.2,21.2
1942,22.7,23.6,22.5,21.9,22.1,21.7,20.7,20.8,21.3,21.7,22.1,21.9
1943,22.6,22,22.3,22.3,21.9,21.3,20.9,20.7,21.1,21.6,22.7,22.9
1944,23,22.7,21.6,22,21.6,22.4,21.1,21,21,21.6,22.5,22
1945,22.7,22.5,24,23,21.5,20.7,21.4,20.7,21,21.2,21.6,21
1946,22.9,23.4,22.8,21.7,21.8,20.8,20.4,20,20.8,21,20.8,21.6
1947,22.1,22.5,22.2,21.1,21.6,21.4,20.9,20.8,21.1,21.6,22.6,21.5
1948,22,22.8,21.8,22.4,22.2,21.2,20.9,20.9,20.8,20.9,21,20.9
1949,22.4,23,23,23.3,22.1,21.2,20.7,21.2,20.9,21.2,22.4,21.6
1950,22,21.2,22.6,21.9,21.3,21,20.3,20.3,20.4,19.7,21.3,21.6
1951,22.4,22.4,22.5,22.3,22,21.6,21.3,21.2,22.1,21.6,21.9,21.2
1952,22.8,22.8,22.9,22.4,22,21.5,21,21.3,21.8,21.4,21.5,21.9
1953,22.3,22.6,22.6,22.6,22.2,21.6,21.1,21.5,21.8,21.5,21.8,21.9
1954,22.8,22.8,23.2,22.3,21.8,21.1,21,21,21.4,21.2,21.5,21.3
1955,22.3,22.2,22.3,22,21.7,21.4,21.2,21.2,21.4,21.6,21.6,21.2
1956,21.4,21.8,22.4,21.7,21.8,21.3,20.8,21.4,21.2,21.2,21.3,21.2
1957,21.9,21.7,22.2,22.1,22.2,21.8,21.3,21.6,21.9,21.7,22.1,21.7
1958,22.8,22.1,23.2,22.9,22.4,21.6,21.2,21.6,21.8,21.8,22.4,22
1959,22.4,22.7,22.5,22.4,22.2,21.3,21.1,21.3,21.7,21.4,21.7,21.7
1960,22.2,22.1,22.2,21.8,21.7,21.5,21,21.6,21.4,21.4,22,22
1961,22.3,22.4,23,22.2,22.5,21.8,21.4,21.4,21.2,21.1,21,21.3
1962,21.3,22.2,22.2,22.3,21.9,21.5,21.2,21.4,21.5,21.4,21.4,21.4
1963,21.1,21.9,22,21.6,21.8,21.3,21,21.1,21.5,21.9,21.6,21.4
1964,22.2,22.5,22.6,22,21.9,21.4,20.6,21,20.8,20.8,21.6,21
1965,21.5,21.9,22.4,21.9,22,21.2,20.6,21.1,21.9,21.1,21.5,21.5
1966,22.6,22.7,22.4,21.6,22,21.6,21.3,21.6,21.6,21.5,21.2,21.6
1967,22.2,22.7,23,22.6,22,21.2,20.8,21,21.1,20.9,21.1,21.5
1968,21.6,21.9,21.3,21.4,21.3,20.9,20.6,20.9,21.3,21,21.3,21.5
1969,21.7,21.8,22.2,22.8,21.8,21.4,21,21.1,21.8,21.9,21.6,21.8
1970,22.3,23,22.5,22.1,21.7,21.5,20.7,21.2,21.5,21.5,21.6,21.4
1971,21.6,22.2,22.1,21.8,21.7,20.8,20.8,21.2,20.9,20.9,21.4,21
1972,21.2,21.5,22.3,22.2,22,21.5,21.5,21.6,22,21.8,21.4,21.7
1973,22.3,23.2,22.4,22.6,21.8,21.5,21.2,21.5,21.7,21.8,21.9,21.5
1974,21.8,22.2,22.3,22.1,21.2,21.5,20.8,21.4,20.5,21.4,21.5,21.3
1975,21.8,22.5,22.6,22.2,21.8,21.3,21.2,20.8,20.8,20.9,21.3,21.3
1976,22.1,22.1,22.5,21.9,21.8,21.5,21.1,21.4,21.6,21.7,21.7,21.8
1977,22.4,22.4,22.3,22.4,22.1,21.2,21.2,21.7,21.9,21.7,21.1,21.6
1978,21.8,22.8,21.9,22.2,21.9,21.3,21,21.5,21.7,21.4,21.7,21.7
1979,22.4,21.6,21.3,21.7,21.6,21.2,21.3,22,21.2,20.7,21.7,21.9
1980,22.3,22.5,22.5,22.8,21.6,20.7,20.8,21,21.7,21.5,21.1,21.3
1981,21.8,22.2,22.4,21.8,21.6,21.3,20.5,21.4,21.4,21.3,21.5,21.6
1982,22.3,22.2,22.8,22.1,21.5,21.6,21.3,21.6,21.9,21,21.4,21.6
1983,22.1,23.1,23,22.4,22.1,21.6,21.7,21.8,21.4,21.6,22.1,20.6
1984,20.7,22.4,22.5,21.5,21.7,21.4,20.9,21.3,21.6,21.3,21.2,21.6
1985,22.7,21.6,21.9,21.3,21.3,21,21.2,21.4,21.4,21.4,21.8,21.5
1986,22.2,22.4,22.2,22,21.8,21,20.8,21.9,21.6,21.8,21.8,21.5
1987,22.3,22.5,23.2,23.4,22.2,21.9,21.7,22.3,22.5,22.1,22.1,22.3
1988,22.6,23.4,23,22,22.1,22.2,21.3,21.5,21.4,21.5,21.4,21.5
1989,19.4,21.5,22.2,21.6,21.4,21.1,21.1,21.2,21.4,21.3,21.6,21.7
1990,21.3,22.6,22.5,22.6,22.2,21.9,21.3,21.4,21.4,21.5,21.5,21.6
1991,21.3,22.6,23,22.4,22,22.2,21.2,21.2,21.8,21.8,21.9,21.3
1992,22.3,22.9,23,22.7,21.5,21.8,21.2,21.3,21.4,21.5,21.7,21.5
1993,20.9,20.8,22.3,21.8,21.4,22.2,21.7,23.2,21.3,20.9,24,22
1994,20.7,22.4,21.5,22.2,22.3,21.6,20.8,21.4,21.7,21.8,21.5,21.3
1995,21.7,22.5,22.6,23.5,22.2,22.2,21.5,23.4,21.6,22.4,23.7,22.2
1996,22.6,23,22.1,22.3,21.9,21.9,21.9,21.7,21.9,22.1,21.7,22
1997,22.9,22.8,22.8,22.5,22.7,22.1,21.9,21.6,23.3,22.4,22.7,22.5
1998,22.7,22.9,23.1,22.1,21.7,22.1,21.8,21.3,21.7,21.6,22.6,22
1999,22.3,23.7,22.6,22.6,21.5,22.7,21.5,22.1,21.8,20.9,21.7,21.6
2000,22.6,23.1,22.9,23.3,23.3,21.7,21.6,23.1,21.8,21.6,23.2,21.8
2001,23.1,25,23.7,24.1,22.8,22.4,22.5,23.1,22.8,22.5,22.7,22.2
2002,22.4,23,23.8,24.1,23.4,23.3,23.9,23.7,23.7,22.1,23.1,23.2
2003,24.1,23.8,24.3,23.8,23.5,22.5,22.4,22.3,23,23.2,23.7,24.5
2004,24.5,24.1,23.8,22.2,22.7,22.6,22.7,23.1,22.3,22.3,22,22
2005,21.4,24.8,24.5,24.3,22.3,23,22.1,22.7,23,22.1,24.6,25
2006,23.2,24.3,23.6,23.9,20.9,21.7,22.4,23.1,21.5,23.4,23.7,22.3
2007,23.2,24.8,24.6,23.7,23.5,21.1,20.6,21.8,22.8,21.7,20.9,23.3
2008,24.3,24.8,23.9,23.2,22.9,22.2,21.8,22.8,22.7,21.3,22,21.3
2009,22.2,25,23.3,23.2,22.9,22,22.6,23.7,23.3,23,24,24.4
