1901,23.5,23.9,25,25.6,25.1,24.3,24.4,24.2,23.9,23.8,23.3,23.2
1902,23.4,23.9,25.1,25.6,25.1,24.3,24.4,24.1,24,23.8,23.4,23.2
1903,23.5,24,25,25.6,25.1,24.4,24.4,24.2,24,23.8,23.3,23.1
1904,23.5,23.9,25,25.6,25.1,24.3,24.4,24.2,23.9,23.8,23.3,23.2
1905,23.5,23.9,25,25.6,25.1,24.3,24.4,24.2,23.9,23.8,23.3,23.2
1906,23.4,23.8,25,25.5,25.1,24.3,24.4,24.2,23.9,23.8,23.3,23.2
1907,23.5,23.9,25,25.6,25.1,24.3,24.4,24.1,23.9,23.8,23.3,23.2
1908,23.4,23.8,25,25.7,25.1,24.3,24.4,24.2,23.9,23.8,23.2,23.2
1909,23.5,23.9,25,25.6,25.2,24.3,24.4,24.2,23.9,23.8,23.2,23.2
1910,23.4,23.8,24.9,25.5,25.1,24.3,24.4,24.2,23.9,23.8,23.2,23.1
1911,23.5,23.9,25,25.6,25,24.2,24.4,24.2,23.9,23.8,23.3,23.2
1912,23.5,23.8,25,25.7,25.1,24.3,24.4,24.2,23.9,23.8,23.2,23.2
1913,23.5,24,25,25.5,25,24.2,24.4,24.2,23.9,23.8,23.2,23.2
1914,23.4,23.9,24.9,25.6,25,24.2,24.4,24.2,23.9,23.8,23.3,23.2
1915,23.5,23.8,24.8,25.5,25.4,24.5,24.4,24.4,24,24,23.4,23.2
1916,23.7,23.9,24.9,25.5,25.3,24.4,24.3,24.2,23.9,23.9,23.3,23.2
1917,23.5,23.8,25,25.6,25.1,24.3,24.4,24.2,23.9,23.8,23.3,23.2
1918,23.3,24,25.1,25.7,25,24.3,24.4,24.3,24,24,23.3,23.3
1919,23.4,23.9,25,25.5,25.1,24.2,24.4,24.2,23.9,23.8,23.4,23.2
1920,23.5,23.9,25,25.7,25.1,24.2,24.4,24.2,23.9,23.8,23.3,23.2
1921,23.5,24,25.1,25.7,24.9,24.3,24.3,24.2,24,23.8,23.5,23.3
1922,23.6,24,25.2,25.7,25.1,24.3,24.2,24.2,23.9,23.9,23.4,23.4
1923,23.4,23.9,25.1,25.8,25.1,24.3,24.3,24.1,24,23.7,23.2,23.3
1924,23.7,23.8,25.1,25.9,25.3,24.1,24.3,24.3,23.8,23.8,23.2,23.3
1925,23.7,23.9,24.8,25.5,25.1,24.4,24.3,24.3,23.9,24,23.4,23.4
1926,23.6,24,25.1,26,25.3,24.4,24.3,24.1,23.9,23.8,23.2,23.2
1927,23.2,23.9,24.8,25.4,25,24.2,24.2,24.2,23.8,23.7,23.2,23
1928,23.2,23.9,24.9,25.6,24.9,24.2,24.3,24.1,23.9,23.7,23.1,23
1929,23.5,24.1,25.1,25.6,25.1,24.1,24.1,24,23.8,23.7,23.4,23.1
1930,23.6,23.9,25,25.5,25.1,24.1,24.3,24.2,23.9,23.7,23.1,23
1931,23.9,24.4,25.4,26,25.1,24.4,24.1,24.4,24.2,24.3,23,23.7
1932,24.1,24.3,24.9,26,25.2,24,24.1,24.2,24.2,23.7,22.7,23.4
1933,24.1,24.4,24.8,26,25.1,24.1,24.4,23.8,23.8,23.4,22.2,22.5
1934,23.4,23.4,23.9,25.8,24.5,24,24.1,24.6,24.3,23.6,23.3,23.5
1935,23,22.9,25,25.7,24.8,24.2,24.5,24.1,23.9,23.8,23.1,23.3
1936,24.3,24.9,26,26.1,25.3,24.3,24.2,24.4,24.2,24.1,23.9,23.2
1937,24.4,24.4,25.6,26.1,25.2,24.4,24.6,24.2,23.7,23.6,22.8,23.4
1938,23.5,23.7,24.7,24.9,24.9,24.1,24.1,24,23.7,23.6,23.1,22.6
1939,23.7,23.7,24.4,25.2,25,24.1,24.3,24.5,23.6,23.9,22.9,23.6
1940,23.6,23.8,25,25.4,25,24.2,24.7,24.8,24,23.6,23.2,23.1
1941,24,24.5,26.1,26.3,25.2,25,24.5,24.6,24,24.1,23.2,23.5
1942,23,24.5,25.1,25.9,25.6,24.3,24.2,24,23.7,23.5,23,23.1
1943,23.1,22.8,23.6,24.8,24.7,23.9,24.3,24,24.3,23.4,22.7,22.9
1944,23.1,23.8,25.2,26,24.4,23.5,24.5,24.1,23.6,23.3,23.3,22.6
1945,23.6,24.3,25.3,25.1,24.2,24.6,24.4,24,23.9,23.3,22.8,23
1946,23.5,23.7,24.7,25.3,25.3,24.8,24.5,24.3,23.9,23.4,23.1,23
1947,23.7,23.7,25.3,25.6,24.6,24,23.9,23.6,23.4,23.6,23.3,22.9
1948,23.1,23.7,25.2,24.7,24.7,23.8,23.6,23.6,23.7,23.8,23.6,23.1
1949,22.6,23.5,24.6,25.4,25,23.9,23.8,23.6,23.4,23.6,22.2,22.3
1950,22.8,22.6,23.9,24.6,24.3,23.4,23.5,23.3,23.8,23.1,22.1,22.2
1951,23.4,22.8,24.8,26.1,25.8,25.2,24.8,24.9,25,23.9,23.4,23.4
1952,23.8,23.6,24.4,25.5,24.5,24.2,23.9,25.4,25.3,23.6,24.5,22.7
1953,22.9,22.9,24.5,26,25,24.6,24.7,24.7,24.1,24.1,23.3,23.6
1954,23.5,23.3,24.7,25.1,24.2,22.9,23.3,23.5,23.6,22.4,24.7,22.5
1955,23,23.6,24.2,24.8,24.8,24.1,23.5,23.9,23.7,22.9,23.1,22.4
1956,23.6,25.2,27.2,27.4,25.7,24.9,24.7,25.1,24.5,24.8,23.8,23.7
1957,24.5,25.4,25.7,26.7,26.4,26.1,25.2,25.3,25.3,24.9,24.2,23.4
1958,24.1,24.6,26.4,26.4,26.3,25.4,25.4,25.1,25.3,24.9,23.9,23.5
1959,22.9,24.5,25.8,25.3,25.8,24.7,25.8,24.9,25.4,24.6,23.7,23.5
1960,24.2,24.5,25.3,26.7,25.8,25.2,25.3,25.2,25.1,24.3,23.8,23.2
1961,23.4,24.1,24.9,25.7,25,24.1,23.7,24.3,22.8,23.4,22.6,22.7
1962,23.2,23.6,24.7,25.2,24.3,23.4,23.1,23.7,23.7,22.7,22.6,22.7
1963,23.2,24,25.4,25.2,25,24.7,24.9,24.9,24.1,24.4,22.9,23.6
1964,23.6,24.8,25.7,25.6,25.4,23.6,23.6,23.7,23.5,23.2,23.5,22.9
1965,23.2,24.2,24.4,25.7,25.7,25.2,25.4,24,24.1,24.6,23.9,23
1966,24.5,25.5,25.7,26.4,24.8,24.5,24.7,25,24.3,23.3,23.5,23.2
1967,24.2,24.4,24.9,25.8,26,24.2,24.5,24.4,23.7,24.5,23.6,23.7
1968,24.2,23.7,25,25.6,24.4,24.1,24.8,24.7,24.1,24.1,23.1,23.4
1969,23.1,24.3,26.2,26.4,26,24.5,25.2,24,24.4,23.3,23,23.5
1970,23.9,23.8,25.3,25.8,24.6,24.4,23.8,23.6,23.5,23.2,22.7,22.9
1971,23.1,23.7,24.7,25,24.7,24.1,24,23.6,23,23.6,22.9,23
1972,23,23.8,24.8,25.8,25.1,24.8,25.1,24.6,24.3,24.6,24.2,24.2
1973,24.4,24.7,26,26.2,25.4,24.3,24.4,23.9,23.5,23.3,23.4,22.5
1974,23.1,22.9,24.1,25.4,24.4,23.6,24,24,23,23.1,23.1,22.9
1975,23.3,20.9,22.6,22.9,23.6,22.7,22,22.1,22.4,23.2,22.3,22
1976,22.8,23.1,24.3,23.4,23.5,23,23.3,22.8,23.2,23.1,23.8,23.6
1977,21,21.3,22.7,23.6,23.9,23.3,23,22.9,23.2,22.8,22.1,23.9
1978,22.5,24.3,25.3,25.7,25.2,24.3,24.2,23.6,23.7,23.7,23.7,23.2
1979,23.7,24.5,25.5,25.6,25.1,24.3,24.7,24.1,23.8,24.2,23.4,23.3
1980,23.1,24,25.5,26.1,25.6,24.8,24.7,24.3,23.6,24.6,23.1,23
1981,23.4,24.4,25.4,25.8,25.2,24.1,24.7,24.1,24.3,24.1,23.2,23.6
1982,24.1,24.7,25.3,25.8,24.9,24.8,25.2,25.7,24.6,24.1,23.8,23.9
1983,24.6,25.6,26.3,26.9,26.5,25.4,25.6,25.2,24.4,24,23.5,23.1
1984,23.4,24.1,25.4,25.7,24.9,24.7,24.1,24.2,23.6,23.9,22.7,22.9
1985,23.6,24,25.2,25.7,25.2,24.6,24.2,24.1,23.9,23.7,23,23.1
1986,23.6,23.7,24.9,26,25.3,24.6,25.4,25,24.6,23.9,23.8,23.7
1987,23.8,24.5,25.9,26.1,25.7,25.3,25,25.1,25,24.6,24.5,23.8
1988,24.5,24.6,25.2,26.1,25.4,24.2,24.7,23.9,24.1,23.8,23.4,22.9
1989,23.9,23.1,24.1,25.7,25.1,24.6,24.6,24.2,23.8,24.2,23.7,23
1990,24.3,24,25.1,26.2,25.8,25.2,24.7,24.8,24.7,24.1,23.6,23.7
1991,24.9,25.1,26.5,26.7,26.4,25,26.4,26,26.1,25.4,24.4,24.2
1992,24.8,25.1,26.4,26.5,27.1,26.2,25.8,24.7,25.2,25.4,24.3,24.5
1993,24.7,24.8,25.8,27,26.3,26,26.4,26.1,25.2,25.6,24.7,24
1994,24.5,25.1,26.2,26.9,26.5,26,26.3,25.8,26.1,25.5,24,24.6
1995,25,25.2,26.2,26.9,26.1,25.6,25.9,25.1,25.7,24.9,24.7,24.4
1996,24.2,25.1,25.8,26,24.9,24.5,25,24.8,24.3,23.9,23.3,23.9
1997,23.9,24.7,25.4,26.2,26.3,24.9,26.4,26.4,25.1,25.3,23.9,24.4
1998,25.4,26,26.8,27.4,27.5,25.8,24.9,25,24.5,24.3,23.6,23.1
1999,24,24.1,24.9,25.8,24.9,24.4,24.7,24.2,23.6,23.7,23.1,22.7
2000,23.4,23.9,25.1,26,25.2,24.6,24.9,25,24.2,24.7,23.9,23.5
2001,23.8,24.4,25.3,26.3,26.3,25.7,25.4,25.8,24.9,25.2,23.9,24.2
2002,24.9,25,26.2,26.6,25.9,25.8,25.9,24.1,25.1,25,24.2,24.4
2003,25.1,25.4,26.2,26.9,26,25,25.7,25.2,25,24.8,24.1,23.8
2004,24.5,25.1,26.1,26.7,26,25.9,25.2,25.2,24.4,24.5,23.5,23.7
2005,24,23.8,25.9,26.5,25.8,24.9,25.3,24.9,24.9,23.7,23.1,23.3
2006,24.2,24.3,25.4,26.1,25.8,25.4,25.4,25.5,25,25.1,23.3,24.1
2007,24.8,25.1,26.1,26.4,25.3,25.2,25.2,24.4,24.6,23.8,23.6,23.5
2008,24.3,24.3,25.3,25.8,25.1,24.9,24.5,24.3,24.5,24.2,23.4,23.5
2009,24.2,24.4,25.2,26.6,25.6,25.1,25.8,25.3,25.8,24.8,24,24.4
