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