1901,23.6,24,24.4,24.3,24.2,24.2,24.3,24.2,23.8,23.4,23.4,23.4
1902,23.6,24,24.4,24.3,24.2,24.2,24.3,24.2,23.8,23.4,23.4,23.4
1903,23.6,24,24.4,24.3,24.2,24.2,24.3,24.2,23.8,23.4,23.4,23.4
1904,23.6,24,24.4,24.3,24.2,24.2,24.3,24.2,23.8,23.4,23.4,23.4
1905,23.6,24,24.4,24.3,24.2,24.2,24.3,24.2,23.8,23.4,23.4,23.4
1906,23.6,24,24.4,24.3,24.2,24.2,24.3,24.2,23.8,23.4,23.4,23.4
1907,23.6,24,24.4,24.3,24.2,24.2,24.3,24.2,23.8,23.4,23.4,23.4
1908,23.6,24,24.4,24.3,24.2,24.2,24.3,24.2,23.8,23.4,23.4,23.4
1909,23.6,24,24.4,24.3,24.2,24.2,24.3,24.2,23.8,23.4,23.4,23.4
1910,23.6,24,24.4,24.3,24.2,24.2,24.3,24.2,23.8,23.4,23.4,23.4
1911,23.6,24,24.4,24.3,24.2,24.2,24.3,24.2,23.8,23.4,23.4,23.4
1912,23.6,24,24.4,24.3,24.2,24.2,24.3,24.2,23.8,23.4,23.4,23.4
1913,23.6,24,24.4,24.3,24.2,24.2,24.3,24.2,23.8,23.4,23.4,23.4
1914,23.6,24,24.4,24.3,24.2,24.2,24.3,24.2,23.8,23.4,23.4,23.4
1915,23.6,24,24.4,24.3,25.1,25,25.2,25.3,24.4,24.5,23.9,24
1916,23.8,24,24.3,25,24.9,24.7,24.8,24.1,24.3,23.4,23.3,23.1
1917,23.1,23,24.2,24.3,24.2,23.7,24.4,24,23.8,23.4,23.3,23.4
1918,23.4,23.7,23.3,23.8,23.2,23.4,24.3,24.6,23.9,23.8,23.2,23.4
1919,23.6,24,24.4,24.3,24.2,24.2,24.3,24.2,23.8,23.4,23.4,23.4
1920,23.6,24,24.4,24.3,24.2,24.2,24.3,24.2,23.8,23.4,23.4,23.4
1921,23.7,23.8,23.5,23.7,23.5,23.7,24.3,23.7,23.7,22.6,23.1,23.2
1922,23.4,23.5,23.6,24.1,23.7,23.4,23.8,24,23.6,22.9,22.7,22.9
1923,22.8,23.3,24.1,24.2,23.9,24,24,23.8,24,23,23.5,23.4
1924,23.9,24.2,25.3,24.8,24.3,23.5,23.7,24.5,23.2,23,23.1,22.9
1925,22.9,23.2,23.3,24,24.1,24,23.9,23.9,23.4,23.6,23.3,23.7
1926,23.9,24.6,24.9,25.3,25,24.5,24.3,24.1,23.5,23.5,23.4,23.1
1927,23.3,23.5,24.1,23.6,23.6,23.7,23.3,24.2,23.4,23.3,23.6,23.1
1928,23.4,24.1,24.2,24.5,24.2,23.9,24.2,23.9,23.7,23.4,23.2,23.2
1929,23.5,24.2,24.5,24,23.8,23.9,24,24,23.8,23.6,23.5,23.3
1930,23.5,23.8,24.7,24.5,23.9,23.9,24.1,23.9,23.8,23.1,23.6,23.7
1931,23.9,24.3,24.8,24.9,24.5,24.4,24.1,24.2,23.8,23.6,23.4,23.5
1932,23.6,24.1,24.1,25,24,23.9,23.9,24.1,23.6,22.7,23.2,23.2
1933,24.2,24,24.4,24.5,24.8,24.4,25.2,24.5,24.3,23.6,23.3,23.2
1934,23.5,23.3,23.6,24.8,24.7,24.3,24.4,25,24.8,23.8,23.7,24
1935,23.7,23.7,24.7,24.3,24.2,24.8,24.8,24.4,24.1,23.9,23.6,23.8
1936,23.9,24.2,25,24.9,24.9,24.4,24.6,24.8,24.5,24,24.5,23.6
1937,23.7,24.1,25.1,25,24.3,24.2,24.4,24.4,23.9,23.6,23.7,24
1938,23.8,24.1,24,23.9,24.1,24.3,24.4,23.9,24.1,23.6,23.3,23.3
1939,23.6,23.5,24,24.3,24.5,24.2,24.4,24.8,24.5,23.6,23.6,24.2
1940,21.9,23.2,22.4,25.1,25.1,24.7,25.1,25.1,24.4,23.8,23.6,20.8
1941,25.1,22.6,26.4,25.6,25,25.4,25.1,25.2,24.8,25,24.8,24.6
1942,24.6,22.9,23.3,25.3,24.5,24.9,24.6,24.8,24.3,23.7,23.8,23.8
1943,23.8,24,23.8,24.4,24.5,24.5,25.1,24.8,25.2,24.1,24.3,24.1
1944,24.2,24.2,24.9,25.4,23.7,23.6,24.9,24.5,23.9,23.9,23.9,23.9
1945,24.2,24.5,25.1,24.2,23.1,24.8,24.7,24.4,24.3,23.5,23.9,23.9
1946,23.7,24.1,24.4,24.5,24.4,25.2,25,24.9,24.8,24,23.6,24
1947,23.9,24.8,25.2,24.7,24.3,24.9,24.4,24.5,24.3,23.8,24.1,24.1
1948,23.8,24,24.9,24.2,24.7,24.3,23.7,23.6,24.2,24.2,23.9,23.8
1949,22.7,23.6,24.5,24.4,24.3,23.7,23.4,23.6,23.7,23.8,23.7,22.8
1950,22.8,23.1,23.3,23.9,23.5,23.4,23.3,23.1,23.5,23.1,23.2,23.4
1951,22.2,22.8,23.6,25.1,24.4,24.5,24.1,24.5,24.2,24.1,23.6,23.8
1952,23.7,24.5,24.8,25.2,25.2,24.7,24.6,24.5,24.1,23.9,23.5,23.1
1953,23.4,24.1,23.9,25.3,24.6,24.7,24.9,25.2,24,23.5,24,23.9
1954,23.6,23.7,24.8,23.7,24.2,23.7,23.5,23,23.7,22.7,22.9,22.9
1955,23.4,24.1,23.7,23.9,24.3,23.6,23.7,23.9,23.3,22.7,23.4,23.2
1956,22.3,23.6,24.2,24.8,23.9,23.7,24.2,24.2,24,23,23.2,23.1
1957,23.1,24.2,24.6,24.5,24.3,24.7,24.8,24.8,24.2,23.4,24.1,24.1
1958,24.6,25.1,26.6,25.8,25,25,25,24.8,24.9,24.4,23.7,23.9
1959,24.2,24.5,25.6,25,24,23.8,24.3,24.1,24.3,23.2,23.3,24
1960,23.6,24.9,24.4,24.4,24.5,24.3,24,23.8,23.9,23.7,23.7,22.8
1961,23.6,24,24.8,24.8,25.2,24.1,23.9,24.4,23.6,23.5,22.7,23.8
1962,23.1,23.9,23.9,23.9,23.6,23.3,24.5,23.8,24.1,23.4,23.2,23.8
1963,23.4,23.3,24.3,23.7,23.6,24.5,24.3,24.6,24.3,23.9,23.2,24.7
1964,24.4,25,25.3,23.9,24.6,23.1,23.7,23.6,23.6,23.3,23.4,22.3
1965,22.4,23.7,24.5,23.4,23.5,24.4,24.9,24.1,24,23.6,23.2,23.8
1966,25.1,24.9,24.8,24.9,24.4,23.9,24.4,24.3,23.9,23,22.6,22.9
1967,23.1,23.3,23.3,23.6,23.6,23.6,23.6,24.2,23.7,23.6,23.1,23.6
1968,23.1,23.3,23.8,23.5,23.6,23.3,24.2,24.1,23.6,23.4,24,23.5
1969,23.6,24.2,25.9,24.9,25.4,25,25.1,24.2,24,23,23.6,23.9
1970,24.2,24.1,25,24.9,24.2,24.7,24.1,23.9,23.4,23.2,22.9,23.9
1971,23,22.7,23.3,23.9,23.2,23.7,23.9,23.5,22.9,23,23.1,22.7
1972,23,23.6,24.2,24.1,24.1,24.4,25,24.1,24.8,24,24,23.7
1973,25.1,25,25.7,25.4,24.8,23.8,24.3,23.8,22.9,23.1,22.8,22.1
1974,22.2,23.3,22.7,23.3,23.7,24.1,24.1,24.1,22.9,23.1,23.1,23.1
1975,23.3,23.4,24.2,23.8,23.7,24.2,23.1,23.7,23,22.7,22.5,22.5
1976,22.9,22.4,22.8,24,23.9,23.9,24.4,24.4,24.4,23,23.6,23.4
1977,24,25,25.3,24.4,24.1,24,24.4,24.3,23.9,23.8,23.9,24.8
1978,24.1,25.2,24.3,24.2,24.9,24.1,24.5,24.4,23.9,24.1,24.1,23.5
1979,23.5,24.7,24.1,24.6,24,24.2,24.6,24.7,23.4,23.7,23.4,23.7
1980,24.3,24.1,25.8,25.7,25.6,25.4,24.6,24.6,24.4,24,23.5,23.4
1981,23.6,24.4,24.8,24.2,23.7,23.6,24.1,23.7,23.5,23.3,23.9,24
1982,23.5,23.4,23.9,23.8,23.9,24.8,24.6,25.3,24.4,23.4,23.9,23.6
1983,25.3,25.7,26,25.2,25,25.1,25,24.9,24.5,23.7,24.2,23.5
1984,23,24,24.3,24.7,23.6,24,23.5,23.5,22.7,23.4,23.4,22.8
1985,22.9,24.4,24.1,24.2,24.3,24.8,24.7,24.2,24.1,23.6,23.1,23.4
1986,23.6,23.4,24.1,24.3,24.3,24.2,24.6,24.4,23.9,23,23.5,24
1987,24,25,25,25.2,24.4,24.8,24.7,24.8,24.1,23.5,24.2,24.2
1988,24.1,24.3,25,24.5,25.1,23.9,24.2,23.2,23.1,23.4,23.2,22.4
1989,22.7,23,23.1,24.3,24.1,24.1,24.4,24.4,23.5,22.9,23.3,23
1990,23.1,22.9,23.7,24.4,24.4,24.9,24.4,24.7,24.6,23.3,24,23.4
1991,23.6,24.5,24.8,24.8,24.8,25.1,24.6,24.4,24.4,23.8,23.8,23.8
1992,24.2,24.7,25.2,25.3,24.9,25.1,24.3,24.6,23.9,24,24.1,23.8
1993,24.2,24.5,25.2,25.3,24.7,25,24.8,24.9,24.2,24.1,23.9,24.4
1994,23.4,24.4,24.6,24.4,24.4,24.8,24.4,24.6,24.5,23.4,23.7,23.7
1995,24.2,24.5,24.9,24.9,24.2,24.5,24.8,24.1,24.5,23.7,23.9,24
1996,23.8,24.4,24.8,24.3,23.9,24.4,24.3,24.1,24.2,23.6,23.5,23.2
1997,23.7,24.3,23.9,24.3,24.5,24.5,25,24.9,24.2,24.3,23.9,24.7
1998,25.1,25.7,25.7,25.7,25,24.5,24.7,24.7,24.4,24.1,23.9,23.9
1999,23.9,23.7,24.3,24.6,24.1,24.2,24.4,24.1,23.7,23.2,23.6,24.1
2000,22.9,23.5,23.8,24.1,24.1,24.2,24,24.4,23.5,23.7,23.4,23.7
2001,23.5,23.5,24.6,24.4,24.5,24.2,24.4,24.9,24.1,24.1,23.8,24.6
2002,24.3,24.4,24.5,24.4,24.5,24.4,24.7,24.7,24.2,24.1,24,24.6
2003,24.5,25.3,25.2,25.2,25.3,24.1,24.4,24.6,24.1,23.9,23.8,24
2004,23.6,24.4,24.7,24.7,24.3,25,24.3,24.6,23.7,24.1,23.6,23.6
2005,23.7,24.2,25.4,25.5,24.7,25,25.1,24.9,24.4,23.5,23.4,23.5
2006,23.9,24.3,24.1,24.2,24.4,24.5,24.6,24.9,24.5,24.1,23.4,24
2007,23.5,23.9,24.7,24.7,24.5,24.6,24.6,24.1,23.9,23.3,23.5,23.4
2008,23.5,24,24.1,24.4,24,24.3,24.2,24,24,23.3,23.3,23.3
2009,23.6,23.6,23.5,24.2,24.1,24.5,24.5,25,25,24.2,24.4,24.7
