1901,23.5,23.8,25.4,27.1,29.8,31,31.7,31.2,30.6,29.6,27.4,24.2
1902,23.2,22.7,23,28.1,31.1,32.5,31.7,31.4,30.5,29.9,27.7,25
1903,23.4,23.1,25.7,28.9,29.9,30.8,31.6,30.8,30.1,29,27.8,24.4
1904,22.4,22.7,25.7,28.4,30,31.8,31.8,30.9,30,28.2,26.9,24.5
1905,24,24.7,25.5,27.5,30.4,32.7,32.3,31.7,30.5,29.7,27.8,22.8
1906,23.1,24,25.1,28,30.8,32.3,32.5,30.9,30.9,29.9,27.3,23.4
1907,23.6,24,25.4,28.3,29.9,31.8,31.7,31,30.5,28.7,26.8,24.7
1908,23.6,23.6,26,28.4,30.9,32.7,32.3,31.7,30.8,29.8,27.5,23.9
1909,23.3,21.7,25.4,26.6,29.8,30.7,30.6,31.7,29.7,29.8,26.9,22.8
1910,22.5,22.3,25.2,28.3,30.9,31.8,33.1,30.8,30,28.7,27,24.7
1911,24.1,22.5,24.6,28,30,31.7,31.1,31.1,30.1,28.8,26.3,23.2
1912,23.9,24.1,25.5,27.5,31,31.6,32,31.9,31.3,29.6,26.3,23.1
1913,23.1,23.1,25.5,28.3,30.8,31.7,32.9,31.9,30.7,30.3,28.5,24.9
1914,25.1,24.4,26,28.6,30.6,31.8,31.8,31.8,30.9,30.2,28.4,24.5
1915,23.5,24.2,25.5,28.3,30.8,32.8,32.7,32.4,31.1,30.6,28.3,25.4
1916,25,25.7,27.3,28.9,31.2,33.2,32.6,32.1,31.1,30.5,27.4,25.1
1917,24.1,24.5,25.6,28.3,30.2,33,32.8,32.4,31.6,31.3,29,26.2
1918,23.9,25,27.1,29.4,30.6,32.8,32.8,32,31.5,30.8,27.4,24.6
1919,22.8,23.7,25.7,29.3,31.3,32.4,31.7,32.1,31,30.2,28.1,25.6
1920,24.1,25.2,25.6,28,31.2,32,33,31.9,31.6,30.1,27.9,25
1921,23.6,23.3,25.3,27.3,29.5,31.6,31.4,31,30.5,30.5,28.5,25.4
1922,23.3,23.8,24.2,28.8,31.8,31.7,32.2,32.2,30.6,30.2,26.1,26.1
1923,25,22.9,24.7,28.1,31.1,31.6,32.2,31.2,30.5,30.1,26.8,23.8
1924,24.6,25.6,25.1,26.7,29.9,31.5,31.7,31.9,29.9,30,27.6,23.1
1925,22.6,24.4,26.5,29.1,31.1,30.9,31.9,31.6,30.8,28.7,28,25
1926,23.6,27.9,28.3,30.9,32.2,31.9,32,31.3,30.5,29.7,28.3,25.1
1927,24.5,26.2,24.4,27.7,32.5,32,32,31.2,30.1,31.4,28.5,25.4
1928,26,25.8,26.9,30.7,32.2,32.5,32.4,31.3,31.5,31.7,29.7,26.7
1929,24.2,25.6,24.9,30.6,32.8,32.4,32.6,32,31.9,29.5,26.3,26.3
1930,23.4,24.7,24.7,29,32.1,33.8,33.8,33.2,31.7,29.1,29.5,27.1
1931,23.2,26.5,26.2,29.1,32.7,34.1,32.7,31.5,31.1,31.2,28,26.6
1932,21.9,26,25,29,30.9,32.8,32.3,31.5,31,30.2,28.7,25.1
1933,23.9,23.8,26.5,28.9,32,32.8,31.4,31,29.9,29.5,28.2,25.4
1934,23.8,25.4,29,29,30.8,31.6,32.2,31.4,31.2,31,28.6,27.1
1935,25.8,24.1,26.5,29.1,29.8,31.2,32.7,31.2,29.4,29.7,28.3,25.7
1936,23.9,24.6,27.6,29.7,33.1,32.1,33,31.9,30.7,30.8,29.4,27.1
1937,24.6,23.4,27.7,29.2,32.4,31.8,33,33.5,32.4,31.6,29.5,26.9
1938,25.2,25.5,29.6,27.8,28.8,32.1,34,32.4,31.7,32.3,29.3,27.7
1939,23.2,22.2,24.2,26.6,30.3,30.1,31.2,32.1,30.9,28.6,29.3,26.7
1940,24.8,24.5,26.3,28.8,31.3,30.9,31.8,32.8,30.2,29.9,26.2,25.2
1941,24.3,24.6,26.7,28.9,33.5,34.5,33.5,33.4,30.2,31.1,29.3,24.9
1942,24.5,24.6,26.2,26.6,34.9,34.8,32.9,31.2,31.7,28,26.6,24
1943,23.4,26.2,26.3,29.4,32.2,34.2,35.7,32.6,31.6,30.7,28.1,25.8
1944,21.3,22.8,24.9,29.1,31.4,31.2,32.1,30.6,30.5,30.4,26,24.3
1945,24.6,23.6,28,27.4,32.7,33.8,34.9,35.4,33.4,29.5,28.4,24.3
1946,25.3,23.4,24.4,28.2,30.9,31.6,31.9,31.9,31.4,30.7,28.9,26.3
1947,25.4,26,27,29.3,29.7,30.7,32.8,31.4,30.7,30.8,27.7,25
1948,25,25.1,24.8,30,31.9,28.5,30.9,29.5,29,29.5,26.4,23.5
1949,24.9,24.2,29.2,28.9,32.7,34.1,32,31.3,31,30.7,31.1,25.7
1950,26.2,27.4,27.6,27.1,31.7,34.1,31.5,33,30.2,30.6,30.6,28
1951,25.3,26.6,28,30.5,31.2,34.1,33.6,33.2,32,32.2,30.4,27
1952,27.1,25.5,25.1,29.6,32.5,32.9,33.5,32.6,32,32,29.1,25.1
1953,26.2,26.3,28,31.2,32.1,34.4,33.9,32.9,31.9,31.5,29.2,26.4
1954,25.3,26.6,28.9,32.3,30.7,33.1,33.6,31.2,31.7,30.3,29.7,26.3
1955,21.6,22.9,26.9,28.5,29.6,31.1,32.6,32.2,30.3,31.7,30.1,27.9
1956,25.4,23.6,27.9,29.2,33.3,34.3,32.8,34,32.3,31.4,30.3,25.8
1957,26.1,27.1,25.9,29.6,30.7,32.9,33.1,34.6,32.9,30.5,27.9,26.9
1958,25.3,25.6,25.4,29.8,32.9,34.1,33.3,33.1,31.7,30.3,29,26.7
1959,25.3,24.3,26.2,29.6,33,34.1,32.5,33,31.9,31.6,29.8,25.5
1960,25.7,24,27.2,29.7,31.1,33,32.9,31.7,31.7,30.6,30.3,25
1961,24.1,25.4,26.6,29.4,31,33.6,32.6,32,32,32,27.3,25.3
1962,22.6,24.6,25.5,30.5,31.6,32.3,33.7,33.4,31,31,29.7,26
1963,24.3,26.3,28.5,29.3,32.7,33,32.8,32.7,32.3,31,29.8,26.4
1964,24.9,24.2,23.9,29.7,32.2,31.7,33.4,31.7,31.2,30.2,28.6,25.2
1965,24.6,22.5,25.4,29,30.1,31.6,32.9,32.6,30.9,31.4,31.3,25.9
1966,23.5,22.8,26.9,28.3,32.9,34.4,33.1,32.3,31.7,30.8,29.6,25.3
1967,23.6,24.7,26.7,28.7,32.4,32.9,33.3,31.5,32,30.6,30.2,24.6
1968,23.9,24.6,25.1,28.4,32.1,30.8,33.1,32.6,31.3,31.1,27.6,25.1
1969,25.7,23.4,25.8,30.4,31.4,31.6,33.2,32.8,32.4,30.2,28.8,25
1970,23.4,23.8,25.8,28.1,31.6,33.1,31.8,32.6,30.9,30.1,28.1,26.7
1971,24.6,24.1,27.3,28.4,31.2,32.5,32.8,31,31.1,29.8,28.8,24.7
1972,23.8,24.7,28.5,30.4,31.8,31.7,33.3,32.4,31.8,30.7,27,25.5
1973,23.8,23.7,24.2,26.6,31.4,31.6,32.6,31.8,30.4,30.7,28.9,24.7
1974,24,23.4,24.9,29.9,30,33.8,31.6,32.3,30.9,30.5,26.8,22.9
1975,21.9,22.1,25.6,27.7,29.6,31.3,31.5,32.2,31,30.2,27.7,24.5
1976,24.1,25.7,26.2,28.2,31,33.9,32.6,33,30.6,29.3,26.8,24.3
1977,23.5,24.4,24.5,27.2,30.6,32.9,32.9,31.3,31.8,30,30.4,28.8
1978,24.3,24.1,27.9,29.2,31,31.6,32.6,31,30.2,30.6,26.3,24.5
1979,22.5,23.1,25.2,28,29.3,33.1,32.5,31.9,30.3,31.1,26.9,25
1980,24.1,25.8,27.8,29.1,30.9,34.8,33.5,32,31.1,30.6,27.5,26.3
1981,23.6,24.8,25,30.2,30,31.2,32.2,31.9,30.7,29.4,28.6,27.1
1982,24.8,25.3,27,31.4,30.2,33.3,32.6,32.5,32.3,29.9,28,24.8
1983,24.6,25.2,26.6,27.6,31.9,33,33.1,31.3,31.3,31.2,28.1,26.9
1984,24.9,25,28.1,29.3,33,32.8,31.4,31.3,30.3,28.9,27.3,25.5
1985,23,24.8,27.2,29.8,33.3,31.9,33.7,32.9,31.7,31.7,29.5,25.8
1986,27.7,26.1,29.4,32,31.6,32.9,33.7,32.4,32.6,30.1,30.5,26.8
1987,25.3,25.1,26.8,30.6,30.2,34.3,34.8,34.7,30.5,33.1,29.5,26.7
1988,26.5,28.6,29.8,30.8,33.6,35,34.3,33.6,32.1,29.4,29.5,26.4
1989,23.7,24.3,27.2,31,32.4,35.8,32.7,33.4,32.8,32.7,28.3,24.3
1990,23.4,25.1,28.1,30.5,32.4,34.8,32.9,33.6,33,32.7,30.1,26.1
1991,24.9,24.4,26.2,29.8,32.5,31.8,33.4,32.2,31.4,30.1,28.2,25.6
1992,23.8,25.4,27,30.1,32,32.4,32.4,32.3,33,31.1,26.8,24.6
1993,24.5,25.5,26.3,29.7,31.1,32.6,32,32.3,31.2,31.2,29,26.6
1994,26.6,26.6,29.5,30.7,32.9,34.1,35.1,32.8,33.7,32.1,29.3,26.6
1995,26.6,27.9,28.2,30.2,31.9,33.4,35,32.1,30.7,31.8,30.3,27.1
1996,26.1,26.9,28.5,31.1,33.8,33.6,33.9,32.5,30.6,31.7,30.7,26
1997,25.7,26.4,29.4,29.2,34.4,35.5,35.8,33.7,33.4,32.2,29.8,26.5
1998,27.3,25.5,27.7,29.3,33.2,35.5,33.9,33.1,30.9,32.3,29.8,27.1
1999,25.3,26.1,27.2,29.6,32.3,33.8,32.8,32.7,31.5,32.3,30.2,25.7
2000,25.5,27.1,27.1,30.5,32,34.4,33.8,32.9,32.8,30.8,27.4,26.3
2001,24.9,25.7,26.3,29.7,32.3,34.4,33.9,33.7,32.4,31.3,30.1,26.1
2002,25.3,25.7,27.3,30.8,32.8,32.5,33.6,32.7,32.2,31.2,29.8,25.9
2003,27.1,26.4,27.4,29.7,32.8,32.2,33.2,32.2,31.8,31.5,29.9,26.1
2004,24.3,24.3,28.7,29.8,33.3,34.3,33.6,33.4,31.9,30.2,27.5,25.7
2005,25.9,24.8,26.8,30.5,31.3,31.9,32.8,32.5,33.2,29.8,29.1,26.4
2006,25.6,25.8,26.9,30.6,32.7,34,33.8,32.6,31.4,31.6,30.4,25.9
2007,23.7,25.6,29,29.3,31.8,33.5,32.7,32.5,31.6,31.4,29,25.6
2008,24.2,24.8,27.3,31,31.4,32.2,32.4,32,31.9,32.6,30.3,27.8
2009,25.4,26.5,28.1,29.2,33.2,33.8,35.1,33.9,32.7,30.2,30,25.5
