1901,23.7,25.4,28.4,28.9,28.9,26.9,26,25.9,26.1,26.8,25.7,23.7
1902,23.9,25.4,29.2,30,29.8,27.3,26.2,26.6,26.1,26,26.1,24
1903,23.9,25.6,26.7,28.7,28.2,26.5,25.8,25.7,25.2,25,24.3,22.8
1904,23.6,27,29.3,29.8,28.3,26.9,25.2,25.8,25.4,24.9,23.9,23.7
1905,23.3,23.3,27.5,28.8,29.5,26.9,26.1,27,25.4,25.3,24.6,22.1
1906,23.9,25.4,27.7,29.2,28.9,27.3,25.8,25.7,25.5,25,24.3,23.7
1907,24.7,25.8,28.6,29,28.1,26.9,25.5,26.1,25.9,25.3,23.5,23.4
1908,23.6,25.3,28.3,29,29.1,27.4,25.8,26.4,25.3,25.2,24.2,23.4
1909,24.1,26,28.8,29.1,29.2,27.2,26,25.7,24.8,25.1,25.1,22.3
1910,23.3,24.6,27,28.2,28.4,26.6,25.8,26.3,24.9,24.8,24.4,22.7
1911,24.2,25.4,27.4,28.6,27.1,26.5,25.5,26.6,26.1,25.2,23.5,22.7
1912,23.4,24.4,26.9,29,28.8,25.6,25.6,26.5,25.5,25.1,23.4,22.5
1913,23.4,25.1,27.1,27.6,27.9,25.4,25.4,26.5,24.6,24.8,24.3,22.6
1914,24.2,24.9,26.4,28.1,27.7,25.7,25.6,25.9,25.1,25.2,23.6,21.9
1915,22.9,25.1,26.1,27.7,29.1,27.5,26.2,26.5,25.1,25.3,24.5,23.7
1916,24.8,26,28.4,28.7,28.6,27,25.3,25.2,24.5,24.4,23.2,22.9
1917,22.7,24.7,26.5,27.3,28.3,24.7,24.9,25.4,24.2,23.8,24.3,21.5
1918,22.3,25,25.2,28,27.9,25.1,25.1,25.2,24.3,25,24,22.4
1919,20.6,24.7,26.1,27,28.2,26.4,25.1,25.9,24.6,24.8,24,22.4
1920,21.6,24.9,27.6,29.4,26.9,25.3,25.6,25.7,24.7,24.6,23.7,22.1
1921,21.7,23.7,26.7,28.2,27.2,26.4,25.1,25.7,24.5,23.6,23.4,22.2
1922,22.6,25.1,27.2,28.9,28.3,25.3,25.3,26,24.6,24.2,23.9,22.3
1923,22.5,24,26.7,28.4,29.1,26.5,25.4,25.9,25.2,24.2,23.4,22.7
1924,22.1,24,27.9,28.7,27.2,26,25.4,26,24.2,24,22.5,22.2
1925,21.8,24,25.7,27.6,26.2,25.2,25.1,25.8,24.3,25.2,23.1,21.1
1926,21.9,25.1,27.1,27.7,28,25.3,24.7,25.1,24.6,24.8,24.1,24.2
1927,22.9,24.6,27.6,29.2,30,25,25,25.9,25,23.9,23.1,22.7
1928,21.9,26.3,27.6,29,28.2,27.9,25.9,26.1,25.2,25.3,23,23.3
1929,23.5,27.1,28,31.7,28.6,26.1,24.2,25.3,24.4,23.3,24,20.1
1930,21.7,24.5,27.1,27.3,28.7,25.7,25.1,27.2,25,25.4,23.7,22.8
1931,21.7,24.7,27.2,28.4,27.2,27.9,25.7,25.9,24.3,25.6,24.4,22.8
1932,24,26,26.7,28.3,28.5,27.5,25.7,25.9,24.9,24.4,22.4,22.5
1933,20.1,25.1,26.4,30.4,31,27.1,26.5,24.4,24.6,23.9,22.7,21.3
1934,21.3,23.2,25.8,26.7,26.5,27.1,25.3,25.2,24.6,24.2,24.2,23.1
1935,22.5,23.2,26.3,28.6,27.8,24.7,24.6,24.7,25,23.6,24.6,22.7
1936,23.7,26.4,27.5,27.5,27.5,27.2,25.3,25.3,24.2,24.5,24.9,23.5
1937,25.4,25.9,26.1,27.6,26,25.2,24.7,25.3,24.6,24.1,23.8,22.1
1938,24,23.4,26,27.7,26.8,24.8,24.4,25.3,23.6,24,24,22.2
1939,22.3,25,25.6,27.9,28,24.7,24.6,25.1,23.5,23.8,22.4,22.2
1940,20.8,25.9,25.7,30.6,29.7,25.6,24.4,25.6,24.9,25.3,23.3,22
1941,22.1,25.1,26.3,30.2,29,27.6,26.5,27.9,25,25.3,24.3,23.2
1942,22.5,26.3,28,30.4,30.1,27.7,25.9,26.8,25.9,26.8,24.2,24.1
1943,23.7,24.6,27.7,29.7,29.6,26.3,27.1,27.4,26.3,24.8,23.2,23
1944,23.3,26.8,29.5,30.7,29.7,27,26.8,24.2,25.1,23.7,26.6,23
1945,24.5,26.8,30.4,31,29.4,29.3,27.1,26.2,26.2,25.3,26.3,24.5
1946,23,26.6,29.8,30.9,30.3,28.1,28.7,26.7,27.2,25.9,25.8,24
1947,25.1,26.9,29.8,30.6,28.4,28.4,27,26.6,25.1,25.5,26.1,23.5
1948,22.6,27,29.8,29.8,30.6,29.2,25.6,27.8,26.7,26.2,26.1,26.1
1949,25.6,28.1,29,30.5,30.1,28,27.1,28.4,24.3,27.1,25.7,25.9
1950,25.3,25.1,28.1,29.8,30.6,27.8,25.9,27.5,26.9,24.1,26,25
1951,25.1,25.8,28.2,29.4,27.5,27.4,25.5,26.3,24.6,25.4,25.5,25.1
1952,26.3,26.4,29.7,27.4,28.1,25.5,26.2,26.8,24.6,24,24.4,23.9
1953,24.8,27.2,29.2,30.7,30.5,27.7,26.6,27.5,25.2,24.4,23.7,22.5
1954,25,25.9,28.6,28.7,27.2,25.9,25.3,26.7,25,23.9,23.6,23.5
1955,24.1,25.2,29,30.4,29.2,27.2,22.8,25.3,23.5,23.4,24.3,22.8
1956,23.8,26.3,28.3,29.7,27,24.6,24.6,26.2,24,24.6,22.6,22.4
1957,24.7,26.7,28.1,29.2,28.5,26.9,25.6,26.4,25.4,25.1,22.4,22.5
1958,20,24.2,27.8,28.9,27.2,26.2,24.3,25.6,24.4,23.9,22.2,20
1959,21.7,25.4,26.7,27.3,27.9,25.7,25.1,25.3,25.6,23.8,21.9,22.3
1960,23.2,24.8,26.8,28.6,27.5,27.3,25,26,23.9,25.3,23.7,21.7
1961,22,25.7,27.5,29.4,29.3,25.9,24.9,26.6,25.2,25.2,23.1,23.4
1962,23.7,27.7,27.8,26.9,27.7,27.3,26.3,26.4,25.3,25.1,24.2,23.3
1963,23.9,25.2,28,30.2,27.3,27.2,25,25.5,24.8,23.2,23.4,21.5
1964,21.9,26.2,27.5,30.2,27.7,25.7,25.6,27.1,25.7,24.1,23.6,22.5
1965,23.2,24.5,27.8,29.1,28.6,26.5,25.9,24.5,26.2,23,24.2,22.5
1966,22.2,23.9,25.4,27.7,28.3,26.4,25.7,26.1,25.7,23.4,23.3,22.8
1967,22.7,25.1,28.3,28.6,28.5,27,26.8,25.9,24.3,23.9,24.4,23.7
1968,23.7,24.3,26.1,28,27.7,26.1,25.6,26.3,25.8,25.3,24.7,22.8
1969,23.7,26.9,26,29.9,29.6,29,26.9,23.8,23.8,25.9,24.6,24.1
1970,23.2,23.9,28.1,31.3,27.8,26.4,25.6,25.5,24.8,26.5,24.3,24.9
1971,25.7,25.9,28.1,28.7,29.3,26.9,25.2,25.6,25.4,25.7,24.3,23.8
1972,24.1,25.2,28.5,29.9,28.8,26.3,25,25.2,26.1,26.5,25.1,23.9
1973,24.7,26.3,30.2,29.1,29.1,26.7,25.1,24.8,25.3,24.6,25.1,22.7
1974,24.8,24.4,28.2,28.2,28.3,25.1,24.8,26.9,24.8,23.2,24.1,24.7
1975,22,26.9,29.7,31.1,28,26.6,25.8,27.1,24.6,26.1,25.1,23.8
1976,23.7,25.3,29.1,28.5,28.1,27,25,26.4,26.6,25.4,23.6,23.4
1977,23.4,24.9,29,27.6,29.3,27,26.6,28,26.5,26.6,24.7,23.6
1978,24.1,24,26.8,30.9,29.2,25.6,26.1,27.3,24.8,24.3,25.5,24.7
1979,23.2,24.6,28.1,29.7,28.4,27,26.3,25.8,23.1,27.5,23.6,22.7
1980,23.7,25.1,28.6,28,29.3,28.1,27.5,25.1,24.7,26.3,24.1,22.8
1981,21.4,24.8,26.4,29.1,29.1,24.7,25,25.9,24.8,25.7,24.7,23.3
1982,24.3,25,28.7,30.8,27.8,30.1,26.3,28.1,26.8,25.1,25.1,23.4
1983,21.6,24.1,27.4,28.6,31.2,29.8,26,27.3,25.8,25.2,24.4,23.3
1984,22.2,24.4,27.7,31.5,26.2,26,24,24.7,21.9,26.5,25.1,23.9
1985,22,24.6,27.4,27.2,28.7,26.3,25,26.4,26.6,25.4,24.9,23.2
1986,23.1,26.7,26.9,29.8,27.7,26.2,26.1,28,25.7,26,25.2,23.8
1987,24.3,26.5,27.4,27.5,29.2,27.3,25.8,28.4,27.8,26.3,25.5,25.3
1988,23.7,26,26.8,30.4,29.9,26.9,27,27.2,26.2,26,27.8,23.9
1989,26.7,26.1,27.4,28.9,29.3,27.7,27,26.6,24,26.7,26.6,22.7
1990,24.6,25.8,27.6,28.6,29.4,27.3,26.6,27.5,26.1,25.8,25.5,24.9
1991,25.1,25.8,30.9,30.6,29.6,27.4,26.7,27.4,24.9,24.8,24,23
1992,22.3,23.2,28.6,27.7,26.7,27.5,26.8,26.6,25.4,25.4,23.1,24.5
1993,23.9,26.7,28.2,29.5,28.5,27.1,25.7,26.9,25.3,25.3,24.3,24.9
1994,23.9,26.4,28.7,29.4,29.2,27.5,27.6,25.4,25.9,25.8,26.6,24.4
1995,23.9,26.7,28.4,29.9,29.4,27.8,25.9,25.5,25.9,26.5,24.9,24.4
1996,24.3,26.7,27.7,28.7,29.9,26.3,26.4,26.7,27,25.9,25,23.1
1997,23.6,26.4,28.3,28.4,27.7,28.3,26.7,28.7,25.5,25.7,25.1,22.9
1998,24.9,28,29.3,31.6,29.7,30.8,27.1,28.5,24.4,24.5,25.7,24.5
1999,24.3,26.3,28.3,31.4,29.7,27.8,25.6,27.6,24.8,24.8,23.7,22.4
2000,23.9,26.1,29.1,29.9,28.6,26.6,26.2,26.9,25.7,25.9,24.6,22.8
2001,23.6,26.1,28,29.2,28.4,27.4,26.7,26.2,25,25.6,24.3,23.2
2002,24.2,24.8,28.4,30.8,29.6,28,26.1,26.8,25.6,26,24.7,22.9
2003,23.8,25.8,28.8,30.3,30.8,27.4,26.4,27.9,26.2,25.5,25.1,22.8
2004,23.4,26,29.9,29.5,28.4,27.1,26.1,27.3,25.8,27.4,26,24.1
2005,25,26,28.4,31.6,29.2,28.4,27.2,26.5,26.2,26.1,26,23.6
2006,25.3,27,29.6,30.6,29.2,27.1,26.4,27.2,26.1,26.8,24.9,23.4
2007,24.1,25.5,28.7,30.5,28.8,27.7,27,27.4,25.5,24.7,25.1,24.5
2008,24.1,28.2,28.3,30.4,30.1,26.4,26.3,27.3,25.4,25.4,24.6,23.2
2009,25,27.6,29.1,30.4,29.4,28.7,27.2,28,25.9,27.4,24.6,22.8
