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