1901,23.6,23.9,24,23.7,23.6,23.1,22.8,23.1,23.2,23.1,23.1,23.2
1902,23.6,23.9,24,23.7,23.6,23.1,22.8,23.1,23.2,23.1,23.1,23.2
1903,23.6,23.9,24,23.7,23.6,23.1,22.8,23.1,23.2,23.1,23.1,23.2
1904,23.6,23.9,24,23.7,23.6,23.1,22.8,23.1,23.2,23.1,23.1,23.2
1905,23.6,23.9,24,23.7,23.6,23.1,22.8,23.1,23.2,23.1,23.1,23.2
1906,23.6,23.9,24,23.7,23.6,23.1,22.8,23.1,23.2,23.1,23.1,23.2
1907,23.6,23.9,24,23.7,23.6,23.1,22.8,23.1,23.2,23.1,23.1,23.2
1908,23.6,23.9,24,23.7,23.6,23.1,22.8,23.1,23.2,23.1,23.1,23.2
1909,23.6,23.9,24,23.7,23.6,23.1,22.8,23.1,23.2,23.1,23.1,23.2
1910,23.6,23.9,24,23.7,23.6,23.1,22.8,23.1,23.2,23.1,23.1,23.2
1911,23.6,23.9,24,23.7,23.6,23.1,22.8,23.1,23.2,23.1,23.1,23.2
1912,23.6,23.9,24,23.7,23.6,23.1,22.8,23.1,23.2,23.1,23.1,23.2
1913,23.6,23.9,24,23.7,23.6,23.1,22.8,23.1,23.2,23.1,23.1,23.2
1914,23.6,23.9,24,23.7,23.6,23.1,22.8,23.1,23.2,23.1,23.1,23.2
1915,23.6,23.9,24,23.7,23.6,23.1,22.8,23.1,23.2,23.1,23.1,23.2
1916,23.6,23.9,24,23.7,23.6,23.1,22.8,23.1,23.2,23.1,23.1,23.2
1917,23.6,23.9,24,23.7,23.6,23.1,22.8,23.1,23.2,23.1,23.1,23.2
1918,23.6,23.9,24,23.7,23.6,23.1,22.8,23.1,23.2,23.1,23.1,23.2
1919,23.6,23.9,24,23.7,23.6,23.1,22.8,23.1,23.2,23.1,23.1,23.2
1920,23.6,23.9,24,23.7,23.6,23.1,22.8,23.1,23.2,23.1,23.1,23.2
1921,23.6,23.9,24,23.7,23.6,23.1,22.8,23.1,23.2,23.1,23.1,23.2
1922,23.6,23.9,24,23.7,23.6,23.1,22.8,23.1,23.2,23.1,23.1,23.2
1923,23.6,23.9,24,23.7,23.6,23.1,22.8,23.1,23.2,23.1,23.1,23.2
1924,23.6,23.9,24,23.7,23.6,23.1,22.8,23.1,23.2,23.1,23.1,23.2
1925,23.6,23.9,24,23.7,23.6,23.1,22.8,23.1,23.2,23.1,23.1,23.2
1926,23.6,23.9,24,23.7,23.6,23.1,22.8,23.1,23.2,23.1,23.1,23.2
1927,23.6,23.9,24,23.7,23.6,23.1,22.8,23.1,23.2,23.1,23.1,23.2
1928,23.6,23.9,24,23.7,23.6,23.1,22.8,23.1,23.2,23.1,23.1,23.2
1929,23.6,23.9,24,23.7,23.6,23.1,22.8,23.1,23.2,23.1,23.1,23.2
1930,23.6,23.9,24,23.7,23.6,23.1,22.8,23.1,23.2,23.1,23.1,23.2
1931,23.6,23.9,24,23.7,23.6,23.1,22.8,23.1,23.2,23.1,23.1,23.2
1932,23.6,23.9,24,23.7,23.6,23.1,22.8,23.1,23.2,23.1,23.1,23.2
1933,23.6,23.9,24,23.7,23.6,23.1,22.8,23.1,23.2,23.1,23.1,23.2
1934,23.6,23.9,24,23.7,23.6,23.1,22.8,23.1,23.2,23.1,23.1,23.2
1935,23.6,23.8,24,23.7,23.6,23.1,22.8,23.1,23.2,23.2,23.1,23.2
1936,23.6,23.9,24,23.7,23.6,23.1,22.8,23.1,23.2,23.1,23.1,23.2
1937,23.6,23.9,24,23.7,23.6,23.1,22.8,23.1,23.2,23.1,23.1,23.2
1938,23.6,23.9,24,23.7,23.6,23.1,22.8,23.1,23.2,23.1,23.1,23.2
1939,23.6,23.9,24,23.7,23.6,23.1,22.8,23.1,23.2,23.1,23.1,23.2
1940,23.6,23.9,23.8,23.5,23.7,23.3,22.8,23.3,23.4,23,23.1,23.3
1941,24.8,25.8,24.7,24.5,24,23.2,22.8,23,23.4,23.6,22.7,22.9
1942,24.4,25.1,24.2,23.6,23.9,23.5,22.5,22.5,23,23.4,23.6,23.6
1943,24.3,23.6,23.9,23.9,23.7,23,22.6,22.4,22.8,23.3,24.2,24.5
1944,24.6,24.3,23.3,23.5,23.4,24.2,22.9,22.8,22.8,23.3,24,23.7
1945,24.4,24.1,25.5,24.5,23.3,22.4,23.1,22.5,22.8,23,23.2,22.8
1946,24.6,24.8,24.3,23.3,23.7,22.7,22.2,21.8,22.8,22.8,22.5,23.3
1947,23.9,24.1,23.9,22.8,23.5,23.2,22.7,22.6,22.9,23.3,24.1,23.2
1948,23.8,24.4,23.5,24,24,23,22.6,22.7,22.6,22.7,22.7,22.7
1949,24.2,24.4,24.5,24.9,23.9,23,22.5,23,22.8,23,23.9,23.3
1950,23.7,22.9,24.2,23.6,23.1,22.8,22.1,22.1,22.3,21.5,22.9,23.2
1951,24.1,24,24,23.9,23.7,23.3,23,23.1,23.8,23.4,23.6,23
1952,24.5,24.4,24.6,24.2,23.9,23.2,22.7,23.1,23.6,23.2,23.1,23.5
1953,24,24.1,24.1,24.2,23.9,23.3,22.9,23.3,23.6,23.2,23.4,23.7
1954,24.5,24.2,24.7,24,23.7,22.9,22.8,22.8,23.3,23,23.1,23
1955,23.9,23.9,24,23.6,23.5,23.1,22.9,23.1,23.3,23.1,23.3,22.9
1956,23.3,23.3,24,23.5,23.7,23,22.6,23.3,23,23.1,22.9,22.8
1957,23.6,23.3,23.9,23.8,24,23.5,23.1,23.4,23.7,23.5,23.8,23.4
1958,24.5,23.7,24.8,24.5,24.2,23.3,22.9,23.4,23.7,23.6,23.9,23.6
1959,24,24.3,24,24,24,23,22.8,23.2,23.5,23.2,23.4,23.5
1960,23.8,23.5,23.8,23.5,23.5,23.2,22.7,23.4,23.2,23.2,23.6,23.6
1961,24.1,24,24.6,23.8,24.3,23.5,23.2,23.2,23,23,22.8,23.2
1962,23.2,23.9,23.9,24,23.8,23.3,23,23.2,23.4,23.2,23.1,23.1
1963,22.8,23.5,23.7,23.4,23.7,23,22.8,22.9,23.2,23.6,23.3,23.1
1964,23.9,24.1,24.2,23.7,23.7,23.1,22.4,22.9,22.7,22.7,23.2,22.8
1965,23.2,23.7,23.8,23.6,23.8,22.9,22.2,22.8,23.7,22.9,23.2,23.3
1966,24.2,24.3,24.2,23.3,23.8,23.2,23.1,23.4,23.5,23.3,22.7,23.3
1967,23.9,24.3,24.7,24.1,23.8,23,22.6,22.8,22.9,22.7,22.8,23.3
1968,23.4,23.5,22.9,23.1,23.1,22.6,22.4,22.7,23,22.8,22.9,23.2
1969,23.4,23.5,23.9,24.4,23.6,23.1,22.7,22.8,23.6,23.7,23.3,23.4
1970,24.1,24.5,24.1,23.8,23.6,23.2,22.4,22.8,23.2,23.1,23.2,23.2
1971,23.3,23.8,23.6,23.4,23.6,22.5,22.6,23,22.7,22.6,22.9,22.9
1972,22.8,23.2,23.9,23.8,23.7,23.4,23.2,23.4,23.8,23.6,23.1,23.5
1973,24.1,24.9,23.8,24.3,23.7,23.3,23,23.3,23.5,23.6,23.6,23.2
1974,23.5,23.8,23.9,23.8,23.2,23.3,22.6,23.2,22.2,23.2,23.1,23
1975,23.4,24.1,24.3,23.7,23.6,23,22.9,22.6,22.6,22.6,22.9,23
1976,23.8,23.7,24.2,23.5,23.8,23.3,22.9,23.1,23.3,23.4,23.4,23.5
1977,24.1,24,23.9,24,23.9,22.9,23,23.4,23.6,23.5,22.7,23.1
1978,23.5,24.4,23.9,23.7,23.7,23,22.8,23.2,23.4,23.1,23.3,23.4
1979,24.1,23.1,22.9,23.1,23.4,22.9,23,23.7,22.9,22.3,23.3,23.6
1980,23.9,24,24,24.3,23.4,22.4,22.4,22.7,23.3,23.1,22.7,23.1
1981,23.4,23.8,23.9,23.2,23.3,22.8,22.2,23,23.1,22.9,23,23.1
1982,23.8,23.8,24.2,23.5,23.2,23.2,22.9,23.2,23.4,22.7,23,23.2
1983,23.9,24.7,24.4,23.8,23.6,23.1,23.3,23.4,23,23.3,23.6,22.3
1984,22.5,23.9,23.9,23,23.4,23,22.5,22.9,23.3,22.9,22.7,23.1
1985,24.2,23.2,23.4,22.9,23.1,22.6,22.9,23,22.9,22.9,23.2,23
1986,23.9,24,23.8,23.5,23.5,22.7,22.5,23.4,23.2,23.4,23.3,23.3
1987,24,23.9,24.7,24.9,24.1,23.5,23.2,23.8,23.9,23.7,23.6,23.9
1988,24.2,24.9,24.4,23.5,23.9,23.9,22.9,23,23,23.1,22.9,23.2
1989,21.2,23.3,23.8,23.3,23.2,22.8,22.6,22.6,22.8,22.8,23.2,23.4
1990,22.8,24.2,24.2,24.2,23.9,23.3,22.9,22.9,23,23.1,23,23.2
1991,23,24.1,24.7,24,23.9,23.9,22.9,22.9,23.5,23.5,23.5,23.2
1992,24,24.5,24.7,24.3,23.3,23.5,22.9,23,23.1,23.2,23.3,23.1
1993,22.6,22.3,24,23.4,23.3,23.8,23.3,24.9,23,22.7,25.5,23.7
1994,22.4,24,23,23.8,24.1,23.3,22.4,23.2,23.4,23.5,23.3,23.1
1995,23.4,24,24.2,24.7,23.9,23.9,23.1,25,23.3,24.1,25.3,24
1996,24.2,24.6,23.7,23.9,23.6,23.5,23.6,23.4,23.5,23.7,23.3,23.8
1997,24.6,24.3,24.1,24.2,24.5,23.8,23.6,23.2,24.9,24,24.2,24.2
1998,24.4,24.4,24.6,23.7,23.7,23.8,23.5,23.1,23.4,23.2,24.3,23.7
1999,23.9,25.2,24.1,24.1,23.4,24.2,23.1,23.6,23.4,22.7,23.3,23.2
2000,24.3,24.8,24.5,24.8,24.8,23.4,23.3,24.7,23.5,23.2,24.7,23.5
2001,24.6,26.5,25.1,25.6,24.3,24,24.1,24.6,24.2,24,24.2,23.8
2002,23.8,24.5,25.3,25.5,24.8,24.9,25.5,25.2,25.2,23.8,24.5,24.8
2003,25.2,25.4,25.6,25.3,25.3,24.2,24,24,24.6,24.8,25.2,26.1
2004,25.9,25.5,25.4,23.8,24.3,24.2,24.2,24.7,24,24,23.6,23.7
2005,23.2,26.3,26,25.7,24,24.6,23.8,24.4,24.6,23.8,26,26.6
2006,24.8,25.8,25.1,25.4,22.7,23.3,24,24.7,23.2,25.1,25.1,23.9
2007,24.6,26.2,26,25.2,25.1,22.8,22.3,23.4,24.4,23.4,22.5,24.9
2008,25.9,26.1,25.4,24.8,24.5,23.8,23.4,24.4,24.4,23,23.6,23.1
2009,23.9,26.3,24.9,24.7,24.6,23.7,24.2,25.3,24.9,24.7,25.6,26
