1901,23.6,25.2,25.7,25.6,24.6,23.6,22.9,23,23.3,23.7,23.8,23.2
1902,23.7,24.9,25.8,25.5,24.6,23.6,22.9,23.1,23.3,23.7,23.8,23.2
1903,23.9,25.3,26,25.6,24.5,23.3,22.9,23.1,23.3,23.7,23.8,23.2
1904,23.7,25,25.6,25.5,24.4,23.5,22.9,22.7,23.3,23.7,23.8,23.2
1905,23.9,25.4,26.2,26,24.8,23.4,22.9,23.2,23.3,23.7,23.8,23.2
1906,23.6,25.2,26.2,26,24.5,23.5,22.9,23,23.3,23.7,23.8,23.2
1907,23.5,25.3,26,25.7,24.6,23.5,22.9,23.3,23.3,23.7,23.8,23.2
1908,23.5,25,25.9,25.7,24.6,23.1,22.9,22.5,23.3,23.7,23.8,23.2
1909,23.7,25.3,26.1,26,24.6,24,22.9,23.6,23.3,23.7,23.8,23.2
1910,23.4,24.9,25.6,25.2,24.3,23.9,22.9,22.9,23.3,23.7,23.8,23.2
1911,23.5,25.1,26.1,25.7,24.7,23.8,22.9,23.1,23.3,23.7,23.8,23.2
1912,23.8,25.6,26.4,26.1,24.9,24.1,22.9,23.3,23.3,23.7,23.8,23.2
1913,23.6,24.9,25.8,25.5,24.4,23.3,22.9,23,23.3,23.7,23.8,23.2
1914,24,25.3,26.3,25.9,24.7,23.4,22.9,23,23.3,23.7,23.8,23.2
1915,23.7,25.3,26,25.7,24.6,23.6,22.9,23,23.3,23.7,23.8,23.2
1916,23.7,25.3,26,25.7,24.6,23.6,22.9,23,23.3,23.7,23.8,23.2
1917,23.7,25.3,26,25.7,24.6,23.6,22.9,23,23.3,23.7,23.8,23.2
1918,23.7,25.3,26,25.7,24.6,23.6,22.9,23,23.3,23.7,23.8,23.2
1919,23.7,25.3,26,25.7,24.6,23.6,22.9,23,23.3,23.7,23.8,23.2
1920,23.7,25.3,26,25.7,24.6,23.6,22.9,23,23.3,23.7,23.8,23.2
1921,23.7,25.3,26,25.7,24.6,23.6,22.9,23,23.3,23.7,23.8,23.2
1922,23.7,25.3,26,25.7,24.6,23.6,22.9,23,23.3,23.7,23.8,23.2
1923,24.5,25.2,26.3,25.8,24.8,23.7,22.7,22.5,23.3,23.9,24.3,23.7
1924,24.1,26.5,26.7,26,24.9,23.6,22.4,22.5,22.6,23.7,23.8,23
1925,22.3,24.6,26.2,25.7,24.5,23.4,22.9,22.6,23.3,23.4,24.3,23.4
1926,24.2,25.3,25.7,25.3,24.4,23.5,23.2,23.5,24,24.4,24.6,23.8
1927,23.9,25.7,25.9,25.6,25.1,23.7,22.9,22.6,24,24,24.2,23.9
1928,24,24.5,26.4,25.5,24.3,23.3,23,22.4,23.5,23.9,24,23
1929,23.2,25.5,25.9,25.5,24.8,22.9,22.1,22.2,22.8,23.6,24.1,22.3
1930,23.4,25.7,26,25.8,24.7,23.6,22.8,23.2,23.5,24.3,24.1,24.4
1931,24.1,26.1,26.5,26.6,25,23.7,23,23.1,23.2,24.4,24.7,24.3
1932,23.7,25.8,27.1,26.3,24.9,23.8,22.9,23.2,23.4,24.2,24.5,23.5
1933,24.1,25.5,26.1,26,24.5,23.2,22.7,22.8,23.3,23.6,24.7,23.7
1934,23.7,25.2,26.4,26.2,24.8,23.8,23.1,22.9,23.8,24.5,24.9,23.6
1935,24.5,25.9,27,26,25.1,23.4,23.1,22.8,23.4,23.5,24.6,24
1936,23.6,26.1,27.1,25.9,24.8,23.5,22.4,22.3,23,23.9,24.6,23.2
1937,23.6,25.5,26.4,25.8,24.6,23.9,22.8,23.1,23.5,24.5,24.4,23.8
1938,24.1,25.7,26.2,26.4,25.4,24.3,23.1,22.8,23.4,24.1,25,23.2
1939,24.3,26,26.7,25.7,24.7,23.6,23.1,23.1,23.3,24.2,24.3,24.2
1940,23.7,25.3,26,25.7,24.6,23.6,22.9,23,23.3,23.7,23.8,23.2
1941,25.9,26.2,27.5,27,25.6,24.5,22.4,23.3,24.1,24.8,24.2,23.9
1942,25.5,27.1,26.8,26.6,24.5,24.4,23.8,22.7,24,24.6,24.3,24.1
1943,24.4,25.6,26.1,25.8,24.2,23.1,23.2,22.6,23.3,24.2,24.7,24.1
1944,23.6,25.2,25.9,25.6,24.7,24.6,24,22.8,23.8,24.3,24.1,24.5
1945,25.3,25,26.1,25.5,24.4,24.4,23.5,22.5,23.7,24,24.1,22.8
1946,25.3,25.6,26.9,26.6,24.6,23.5,23.1,22.4,23.1,23.7,24.3,23.6
1947,24.4,27,26.7,26,25.1,24.5,23.3,23.4,23.6,24.2,23.8,23.8
1948,24.3,25,25.4,25.3,24.5,23.4,22.7,22.8,23.8,23.9,23.6,22.8
1949,24.6,25.4,26.6,26.5,25.1,24,23.4,22.9,24,24.2,24,21.9
1950,24.6,24.8,25.5,25.7,24.6,24.6,22.7,21.7,23,23.4,23.7,23.3
1951,24.1,24.9,26,26.6,24.7,23.9,23.1,23,23.3,23.9,23.5,23.5
1952,24.8,25.4,26.5,26.6,25.2,23.6,22.8,21.6,23.5,24.1,23.1,23.5
1953,24.6,25.5,26.2,25.5,24.4,23.3,22.3,22.5,23.7,23.9,23,23
1954,24.2,25.7,26.1,26,24.1,23.6,22.7,22,23.3,23.5,23.8,23.5
1955,24,25.2,25.3,25.4,24.2,23.2,22.1,22.5,23,23.4,23.5,23.1
1956,23.5,25.5,25.9,25.6,24.5,23.4,23.1,22.3,23.2,23.6,23.9,23.2
1957,23.7,25,25.8,26,24.9,23.6,22.8,23.5,23.6,23.6,24.4,24.2
1958,25,25.3,26.5,26.5,25,23.5,23,22.9,23.2,24,24.3,24.1
1959,24.4,25.4,26.9,26.3,24.9,23.5,22.8,23.2,23.2,24,23.6,23.9
1960,24.3,25.2,26.1,26,24.6,23.7,22.5,23.9,23.2,23.6,23.6,25
1961,24.2,24.1,26.2,25.6,24.9,23.8,22.2,23.5,23,23.7,22.9,22.5
1962,23.3,25,25.2,25.9,24.6,23.4,22.9,22.8,23.1,23.7,23.9,23.7
1963,24,25.8,25.3,25.8,24.6,24.5,23.1,23.5,24,24,24.3,23.3
1964,24.1,25,26.1,25.8,24.6,23.4,22.6,22.7,23,23.2,23.1,23
1965,23.8,24.7,25.3,25.4,24.4,23.6,23.2,22.9,22.9,23.8,23.8,23.1
1966,24.4,25.1,26.3,25.7,24.2,23.4,23.5,23.4,23.5,23.9,23.7,23.3
1967,23.3,25.5,25.6,26.2,24.4,23.4,22.6,22.9,23,23.6,23,24
1968,23.3,25.3,25.5,25.3,24.3,23.2,23,23.9,23.6,24,24.1,23.4
1969,23.6,25.9,26.1,26.6,25.1,24,22.9,24,23.6,23.7,24.1,23.8
1970,24.1,25.5,26.3,26.3,24.8,24.2,23.3,23.3,23,24.1,24.2,22.6
1971,23.4,25.2,25.7,25.1,24.6,23.4,22.7,22.3,22.7,23.1,22.9,22
1972,23.8,25.4,25.9,25.3,24.4,22.9,23.2,23.3,23.3,23.5,23.6,23.3
1973,24.8,26.3,26.6,25.3,24.6,23.8,23.6,22.9,23,23.8,23.4,23.9
1974,23.3,24.5,25.7,25.3,24,23.7,22.1,22.5,22.6,23.2,23.5,22.2
1975,23,24.9,25.7,25.4,24.6,23.1,22.2,21.6,22.7,23.2,23.9,22.5
1976,23.6,23.4,25.3,25,24,22.8,22.4,22.2,23,23.6,23.2,23.2
1977,23.8,24.9,26.1,26.3,24.7,23.4,22.8,22.3,23.4,23.8,23.7,22.7
1978,23.9,25.9,25.9,24.6,24.3,23,22.4,22.7,23.2,23.5,23.8,23
1979,24.5,25.8,26.3,25.5,24.7,23.4,22.9,22.6,23.8,24.2,25,22.9
1980,24.6,25.7,26.1,26,25,23.7,23,22.6,23.7,23.9,24.2,22
1981,22.9,25.8,26.4,26,24.4,23.8,22.1,22.9,23.4,23.7,23,23.5
1982,23.9,24.3,25.9,25.8,24.9,23.4,22.7,22.2,22.9,23.4,23.3,23.6
1983,21.8,26.4,26.9,26.5,25.3,24,22.8,23,23.5,23.6,23.8,23.1
1984,23.3,25.3,25.8,25.7,24.5,23.4,23,23.6,23,23.6,23.6,22.7
1985,24.4,25.1,26.8,24.7,24.2,23.7,22.7,23,23.3,24,24,23
1986,23.5,26,26.1,25.9,24.7,23.8,22.5,23.3,23.3,23.5,24.1,22.7
1987,24.3,26.3,25.5,25.4,25.3,24.5,23.6,23.4,24.1,23.8,25,24
1988,24.5,26.2,26.5,26.5,24.9,23.3,23,22.6,22.7,23.8,24.1,23.1
1989,22.4,24.5,26,25.1,24,24.1,23,23.6,23.4,23.7,24.6,23.2
1990,24.8,25,25.9,26.4,24.9,24.7,22.8,23.4,23.8,24.2,25.2,24.7
1991,23.9,26.1,26.7,26.3,24,24.4,22.9,23,24.1,23.9,24.2,23.3
1992,23.2,25,26.9,26.3,24.4,23.3,22.9,23.3,22.9,23.4,24.2,23.1
1993,22.8,25.1,26.5,25.8,25.2,23.6,23.3,23.2,23.1,23.9,24.7,23.2
1994,23.7,25.3,26.6,26.5,24.9,23.5,22.7,23.2,23.1,23.7,24.4,23
1995,23.8,24.7,24.7,26.5,24.9,24,23.8,23.6,23.5,24.2,24.4,24.2
1996,24.7,26.3,26.8,25.4,23.7,23.4,23.6,23.1,23,24.1,23.6,23.3
1997,24.3,24.6,26.3,25.3,24.3,24,23.4,24.3,24.5,24.7,25.5,23.3
1998,24.3,27,27.9,27.2,25.5,24.7,23.8,23,23.7,24.1,25.2,24
1999,24.1,26.4,27.4,25.8,24.3,23.6,22.9,23,23,23,24.2,23.7
2000,24,24,26.2,25.9,25.3,23.5,22.8,23.3,23,23.7,24.5,23
2001,23.1,25.4,25.8,25.5,24.8,23.5,23.3,22.5,22.6,23.2,25.3,24.2
2002,23.2,25.5,25.8,25.6,25.7,24.1,23.4,23.7,23,23.1,24.6,23.8
2003,24.3,26.9,26.2,26.6,24.8,22.9,23.2,23.2,23.6,24.3,25.2,23.6
2004,24.2,25.4,27.2,25.8,24.7,23.8,23,23.3,23.3,24.3,24.6,24.4
2005,23.9,28,27.4,26.1,24.9,23.3,23,23.5,24,24.2,24.2,24.3
2006,24.8,25.5,25.9,25.8,25.3,24.5,23.7,23.2,23.5,24,23.9,22.1
2007,23.9,26.2,26.2,25.4,25,23.7,23.3,23.6,23.6,24.1,25.2,23.9
2008,23.2,25,26.4,25.3,24.3,23.8,22.7,23.4,23.6,24.3,24.5,24.4
2009,24.7,26.2,26.8,26.9,25.8,24.5,23.4,23.3,23.9,24.6,24,23.7
