1901,23.8,25.2,25.3,25.2,24.8,23.9,23.4,23.3,23.5,23.7,24,23.7
1902,23.9,25,25.5,25.1,24.8,23.9,23.4,23.4,23.5,23.7,24,23.7
1903,24.1,25.3,25.6,25.2,24.7,23.7,23.4,23.4,23.5,23.7,24,23.7
1904,23.9,25.1,25.3,25.1,24.7,23.8,23.4,23.1,23.5,23.7,24,23.7
1905,24.1,25.4,25.8,25.5,24.9,23.8,23.4,23.4,23.5,23.7,24,23.7
1906,23.8,25.2,25.8,25.6,24.7,23.8,23.4,23.3,23.5,23.7,24,23.7
1907,23.8,25.3,25.6,25.3,24.8,23.8,23.4,23.5,23.5,23.7,24,23.7
1908,23.8,25.1,25.6,25.3,24.8,23.5,23.4,22.9,23.5,23.7,24,23.7
1909,23.9,25.3,25.7,25.5,24.8,24.2,23.4,23.7,23.5,23.7,24,23.7
1910,23.7,25,25.3,25,24.6,24.1,23.4,23.3,23.5,23.7,24,23.7
1911,23.8,25.2,25.7,25.3,24.9,24,23.4,23.4,23.5,23.7,24,23.7
1912,23.9,25.5,25.9,25.5,25,24.2,23.4,23.5,23.5,23.7,24,23.7
1913,23.8,25.1,25.4,25.2,24.7,23.7,23.4,23.3,23.5,23.7,24,23.7
1914,24.1,25.3,25.8,25.4,24.8,23.8,23.4,23.3,23.5,23.7,24,23.7
1915,23.9,25.3,25.6,25.3,24.8,23.9,23.4,23.3,23.5,23.7,24,23.7
1916,23.9,25.3,25.6,25.3,24.8,23.9,23.4,23.3,23.5,23.7,24,23.7
1917,23.9,25.3,25.6,25.3,24.8,23.9,23.4,23.3,23.5,23.7,24,23.7
1918,23.9,25.3,25.6,25.3,24.8,23.9,23.4,23.3,23.5,23.7,24,23.7
1919,23.9,25.3,25.6,25.3,24.8,23.9,23.4,23.3,23.5,23.7,24,23.7
1920,23.9,25.3,25.6,25.3,24.8,23.9,23.4,23.3,23.5,23.7,24,23.7
1921,23.9,25.3,25.6,25.3,24.8,23.9,23.4,23.3,23.5,23.7,24,23.7
1922,23.9,25.3,25.6,25.3,24.8,23.9,23.4,23.3,23.5,23.7,24,23.7
1923,23.9,25.3,25.6,25.3,24.8,23.9,23.4,23.3,23.5,23.7,24,23.7
1924,23.9,25.3,25.6,25.3,24.8,23.9,23.4,23.3,23.5,23.7,24,23.7
1925,23.9,25.3,25.6,25.3,24.8,23.9,23.4,23.3,23.5,23.7,24,23.7
1926,23.9,25.3,25.6,25.3,24.8,23.9,23.4,23.3,23.5,23.7,24,23.7
1927,23.9,25.3,25.6,25.3,24.8,23.9,23.4,23.3,23.5,23.7,24,23.7
1928,23.9,25.3,25.6,25.3,24.8,23.9,23.4,23.3,23.5,23.7,24,23.7
1929,23.9,25.3,25.6,25.3,24.8,23.9,23.4,23.3,23.5,23.7,24,23.7
1930,23.9,25.3,25.6,25.3,24.8,23.9,23.4,23.3,23.5,23.7,24,23.7
1931,23.9,25.3,25.6,25.3,24.8,23.9,23.4,23.3,23.5,23.7,24,23.7
1932,23.9,25.3,25.6,25.3,24.8,23.9,23.4,23.3,23.5,23.7,24,23.7
1933,23.9,25.3,25.6,25.3,24.8,23.9,23.4,23.3,23.5,23.7,24,23.7
1934,23.9,25.3,25.6,25.3,24.8,23.9,23.4,23.3,23.5,23.7,24,23.7
1935,23.9,25.3,25.6,25.3,24.8,23.9,23.4,23.3,23.5,23.7,24,23.7
1936,23.9,25.3,25.6,25.3,24.8,23.9,23.4,23.3,23.5,23.7,24,23.7
1937,23.9,25.3,25.6,25.3,24.8,23.9,23.4,23.3,23.5,23.7,24,23.7
1938,23.9,25.3,25.6,25.3,24.8,23.9,23.4,23.3,23.5,23.7,24,23.7
1939,23.9,25.3,25.6,25.3,24.8,23.9,23.4,23.3,23.5,23.7,24,23.7
1940,23.9,25.3,25.6,25.3,24.8,23.9,23.4,23.3,23.5,23.7,24,23.7
1941,25.6,26.5,26.8,26.8,25.6,24.8,23.1,23.4,24.5,25,24.1,23.8
1942,25.5,26.9,26.5,26.4,25.2,24.6,24.3,23.1,24,24.6,24,24.1
1943,24.5,25.6,25.5,25.5,24.8,23.4,23.6,23.1,24.1,24.2,23.9,24.5
1944,24.8,25.1,25.2,25.5,25.1,25.1,24.7,23.2,24.5,24.3,23.8,24.2
1945,25.4,25.6,26.7,25.1,25,24.7,24.1,23.1,24.1,24.1,23.9,23.8
1946,25.4,26,27.1,26.4,24.9,24.3,23.7,23,24.3,24.1,23.8,24.1
1947,25,26,27.4,25.6,25.7,25.1,24,23.8,24.2,24.4,23.9,24.2
1948,24.7,24.7,25.8,24.5,24.9,24.2,23.4,23.3,24.5,24.3,23.8,23.3
1949,25.2,25.5,26,26.3,25.4,23.6,24,23.2,24.1,24.2,23.9,21.9
1950,24.8,25.6,25.4,25.3,24.6,24.6,23.2,22.3,24,23.6,23.8,23.4
1951,25,25.8,25.7,26.1,25.3,24.7,24.2,23.6,24.4,24.5,23.9,24.3
1952,25.7,26.1,26.4,26,25.3,24.1,24,22.2,24.2,24.7,23.8,24.6
1953,25.3,25.5,26.3,25.8,25.4,24.6,23.9,22.4,24.5,24.5,23.7,23.7
1954,25.2,25.3,26,25.7,25.3,24.4,23.5,23.6,24.1,24.3,24.3,24.2
1955,24.4,25.5,25.6,24.9,25.1,24.1,23.3,23,23.7,24.3,24.4,23.9
1956,24.1,25.7,25.2,25.1,25.1,24,23.1,23.2,24,24.1,24.6,23.9
1957,24.1,25.1,25.5,25.3,25.4,24.6,23.8,23.6,24.1,24.3,24.4,24.4
1958,25.4,25.5,26.3,25.3,25.6,24.3,23.4,24.2,24.5,24.7,24.4,24.7
1959,24.6,25.5,26.5,25.2,25,24.4,23.6,24.1,23.9,24.6,24.6,24.4
1960,24.7,25.1,25.2,24.8,25,24.2,23.5,23.7,24,24.3,24.5,24.9
1961,24.7,24.7,26.2,25.2,25.9,24.1,22.9,23.2,23.7,24.1,24.1,23.5
1962,23.4,25.7,25.5,25.8,24.9,24.3,23.8,23.8,24.2,24.3,24.4,24.4
1963,24.9,25.4,25.6,25.3,25.1,24.4,23.5,23.7,24.8,24.1,24,23.9
1964,24.6,26,26.2,25.4,25,24,23.2,22.5,23.4,23.6,22.9,23.2
1965,24.8,25.7,25.1,24.8,25,24.3,23.7,25,24.2,24.5,25,24.6
1966,25.2,25.4,26.2,24.9,25.1,24.3,23.9,23.6,24,24.4,25,23.7
1967,24,25.1,25.5,25.9,24.6,23.5,22.2,22.5,23.4,23.9,23.6,23.8
1968,24.4,25.2,25.2,25.6,25.2,24,23.7,23.8,24,23.8,24.5,24.4
1969,23.5,25.4,25.6,25.7,26,24.8,23.7,24,23.9,23.9,25,24.7
1970,24.9,26.3,26.6,26.2,25.4,24.1,23.1,23.5,23.7,24.5,25,23.8
1971,22.8,25.1,25.3,24.8,24.6,23.4,23,22.4,22.5,23.2,23.1,22.6
1972,25.1,25.1,25,25.2,24.7,23.8,23.7,23.3,23.5,23.6,24.1,24
1973,25.2,26.3,26,24.6,24.6,24.3,23.7,23,23.3,23.6,23.7,24.7
1974,23.4,24.7,25.2,24.8,24,23.4,22.7,22.7,22.8,23.1,23.7,23.4
1975,22.5,24.6,25.2,24.9,24.1,23.3,22.5,22.5,22.5,23,23.3,23.2
1976,23,24.5,24.2,24.4,23.7,23,22.8,22.5,24.5,23.2,23.1,24
1977,23.7,24.5,25.6,25.5,24.8,23.2,23.2,22.8,23.2,23.8,24.4,23.6
1978,23.5,25.2,25.6,24.1,24.4,22.9,22.8,22.9,23,23.1,23.4,23.8
1979,23.9,25.1,25.6,24.9,24.3,23.8,23.7,23.1,23.6,24,24.8,23.7
1980,24.4,24.7,24.9,25.8,25.4,23.5,23,22.8,23.2,23.1,23.7,22.7
1981,22.9,25.3,25.5,25.8,24.6,24,23.2,23.2,23.2,23.5,23.4,24.6
1982,24.6,24.6,25,25.8,25.1,23.8,22.9,23.7,23.8,23.1,24.1,24.4
1983,22.4,26.8,27.6,26.7,25.2,24.1,23.5,23.2,23.5,23.3,23.4,23.5
1984,23,25.4,25.2,25.2,24.1,23.8,22.9,23.4,22.9,23.6,23.7,23.1
1985,24.5,24.3,25.8,24.5,24.7,23.8,23,23.3,22.9,23.5,23.7,24
1986,24.3,25.5,25.4,25.6,25.2,24.4,23.7,23.7,23.1,23.4,24.3,23
1987,24.1,25.7,24.9,25.7,25.7,24.5,24.3,23.6,23.8,24,24.5,24.3
1988,24.6,26.4,25.9,25.5,25,23.9,23.9,23.3,23.4,23.1,23.8,23
1989,21.1,24.5,25.3,25.3,24.3,24.2,23.2,23.3,23.5,24.3,24.6,22.8
1990,25.4,25.6,26.4,25.7,25.3,24.9,24,23.8,23.9,24.1,24.7,24.8
1991,24.5,25.8,26.1,26,24.6,24.7,23.6,23.1,24.2,24,24.7,23.9
1992,23.6,25,26.3,26.1,24,23.7,23.4,24,23.1,23.3,24.5,23.6
1993,22.5,24.1,26.5,24.8,24.8,23.6,23.7,22.6,23,23.7,24.7,23.6
1994,23.6,25.1,26.2,26.3,25.4,23.8,23,22.8,22.9,23.5,24.4,24.5
1995,23.2,24.9,25.5,25.8,24.9,24.2,23.8,23.7,23.6,25,24.8,24.5
1996,23.9,25.1,25.3,25.1,24.4,24,23.6,23.4,23.3,24.6,24.3,23.8
1997,24.7,25.2,26.4,25.5,25.4,24.4,24.4,24.7,25,24.8,25.5,24.2
1998,24.4,27.1,27,26.3,25.5,24.3,24.3,23.6,23.9,23.7,25.3,24.4
1999,23.7,23.7,26.2,25.1,24.3,23.6,23.2,22.8,23.1,23.3,24.4,23.9
2000,24.5,24.1,26,25.5,25.2,23.7,23.1,23.3,23.5,24,24.5,23.7
2001,23.1,26.5,25.1,25.5,24.9,24.6,23.8,23.2,23.6,23.3,24.4,24.7
2002,22.8,25.7,25.7,25.6,26.1,24.9,24.2,23.8,23.4,23,24.4,24.4
2003,24.6,26.4,26,25.7,25.8,23.7,23.7,23.7,23.7,23.9,24.8,24.7
2004,24.1,25.5,26.4,25.8,25.1,23.9,23.8,23.8,23.6,24.3,24.9,24.9
2005,23.5,27.3,26.5,25.9,24.9,24.7,23.7,24.4,24.1,24.1,24.1,24.9
2006,24.5,25.9,26.1,25.8,25.7,24.5,24.1,23.5,23.6,24,24,23.5
2007,23.8,26.4,25.8,24.9,25.2,24.2,23.6,23.9,23.7,23.6,25.4,24
2008,23.8,25,26.6,24.5,24.2,24,23.6,23.5,23.8,24.1,24.4,24.5
2009,24.2,25.8,26.3,26.4,26.1,24.8,23.7,23.7,23.9,25,23.9,23.8
