1901,30.4,30.6,29.7,25,23.7,21.3,23.8,24.1,26.2,28.9,29.5,30.9
1902,30,32.4,30.5,27.7,25.1,23.8,24.1,21.8,26.7,27.2,30.8,31.4
1903,30.1,31.1,30.7,26.4,22.5,22.5,22.4,23.8,26.5,26.3,29.5,30.4
1904,29.5,29.7,30.7,27.3,21.5,20.6,23.5,23.9,25.7,26.5,29.7,29.8
1905,29.3,29.7,29.7,26.2,23.5,22.3,22,24,25.5,29.5,28.8,30.4
1906,31.5,31.5,30.8,27.3,25.6,21.9,23.4,24.4,24.6,28.1,30.1,30.2
1907,30.4,31.3,31.8,27.6,22,21.5,22.3,23,26.3,27.6,29.7,31.9
1908,30.9,30.3,29.7,27.3,23.7,22.7,24,22.9,25.6,27.3,29.8,30.9
1909,31.3,30.7,29.6,27.5,21.1,20.9,23,26,25.7,27,28.9,29.2
1910,31.5,30,29.9,28.7,23.1,22.9,22.1,25.3,25.2,26.9,29.8,30.2
1911,31.8,31.2,29,27.2,24.2,20,21.9,23.4,24.9,26.9,30.7,31.8
1912,31.5,32.5,31.1,27.9,25,22.9,21.2,24.4,23.8,27.5,30.5,31.4
1913,28.7,29.7,29.3,27.5,23.5,20.2,24.8,23.8,24.9,27.4,29.5,29.7
1914,30.6,30.1,30.6,27.4,22.7,23.9,25.5,23.3,25.2,27.5,29.5,29.6
1915,30.8,32.2,28.7,28.7,25.7,18.8,21.8,24.9,24.1,26.7,27.8,29.8
1916,30,28.5,27.9,26.9,23.7,21,20.1,23,26.3,26.5,29.6,29.6
1917,31.3,29.9,29,25.1,21.2,20,20.5,22.2,25.7,25.8,27.3,30.6
1918,30.5,28.5,28.4,25.9,22,19.9,20.8,23.2,25,26.9,29.7,29.6
1919,30.6,29,30.1,27.7,25.2,22,23.9,22.5,21.8,27.1,28.6,30.7
1920,30.8,30.8,30.9,28.3,23.6,21,20.5,22.3,24.7,27.8,30.4,30.5
1921,30.8,30.6,29.7,26.4,25.4,19.4,21.1,24.6,24.5,27.1,29.1,32.4
1922,30.6,30.3,29.5,27.5,23.2,20.2,23.6,24.6,25.3,25.1,29.9,30.3
1923,31.1,30.9,30.9,28.8,21.5,21.4,20.5,24.7,25.4,27.3,29.4,31.8
1924,30,30.3,30.6,26,21.9,21.9,21.7,22.2,23.9,25.9,28,31.4
1925,30.3,31.6,30,28.2,23.4,19.5,20.6,26.7,25.6,26.6,29.7,31.7
1926,31.4,30.9,32.4,27.6,22.7,23.6,22,25.2,27.2,28.4,30.7,30.9
1927,31.2,31.3,30.8,27.4,23.3,20.5,22.3,23.9,25.7,27.8,29.9,30.2
1928,31.8,31.4,30.5,28.9,23.6,20.7,21.6,23.2,24.3,27.6,30.4,31
1929,31.9,31.1,30.1,27.2,22.8,20.4,22,23.6,24.6,27.8,29.9,31.1
1930,30.8,30.4,30.7,28.2,24.5,25.6,22.5,24,24.5,27,29.5,30.9
1931,31.9,31.7,30.9,26.9,21.9,19.8,22.6,24.4,23.6,27.5,28.8,31.4
1932,31.2,31,30.5,28.3,22.8,20.8,25.1,22.6,25.4,28.1,30.4,30.6
1933,32.7,31.9,31.2,28.6,25.3,21.3,20.8,25.8,26.4,29.6,30.1,31.6
1934,31.8,30.7,31.8,26.4,24.7,24.3,23,24.9,26.1,27.4,31.2,31.4
1935,32.1,32,32.4,27,24.5,24.2,23.2,24.5,24.5,27.2,30,32.3
1936,32.5,30.8,31.5,27.4,26.8,23.7,22.9,22.6,25.9,29.2,30.4,32
1937,31.2,31.2,30.4,26,22.8,23.3,24.1,26.8,25.6,27.6,30.3,31.5
1938,31.9,30.7,31.5,26.5,24.3,22.9,23.3,24.1,26,27.9,30.5,31.8
1939,33.4,31.7,30.1,27.5,25.6,23.1,22.1,26.1,25.4,29,29.4,30.3
1940,31.2,31.6,31.3,28.6,25.8,24,25.5,25.1,26,27.5,29.7,33.7
1941,32.4,31.5,30.7,28.1,23.2,20.3,23.5,26.7,23.3,28.6,29.3,30.8
1942,32.2,32.4,30.4,27.9,22.3,19.9,20.6,26,26,28.9,32,32.4
1943,31.8,32.5,32.1,27.2,25.2,22.2,24.1,22,26.2,28.9,30.4,31.8
1944,32.8,32.4,30.8,27.6,24.7,23.5,23.5,26.9,28.4,29.8,30,32.5
1945,32.5,32.4,30.4,29.5,23.9,20.5,24.2,28,25.6,29.9,30.1,31.1
1946,30.3,32.1,30,26.7,24.4,21.3,21.1,26.3,27.5,28.3,31.2,30.8
1947,31.7,32.1,30.2,27.8,25,23.9,21.2,23.5,25.5,26.3,29.8,30.7
1948,33.1,31.2,30.1,27.7,24,23.8,24,23.3,26.9,27.9,29.7,31.8
1949,31.3,31.4,32.2,26.6,24.3,23.5,23.3,24.2,25.5,26,30.7,30.8
1950,30.4,30.6,29.4,27.9,26.1,23,23.4,26.8,25.6,27.1,29.3,31.1
1951,30.3,30.1,29.9,25.9,24.8,21.8,22.5,23.4,25.6,27.8,29.8,30
1952,31.6,31,31.2,24.8,25.3,20.1,23.3,25.6,24.9,27.1,29.7,31.3
1953,31.6,31,31.4,26.4,24.9,22.4,19,26.2,27.5,28.1,29.8,31.8
1954,31,31.8,30.1,27.7,23,23.7,22.9,25.1,26.5,27.3,31.7,30.8
1955,31.5,32.7,30.1,27.9,23.6,22.8,19.7,23.8,26.6,26.6,29.5,31.5
1956,30.9,31.5,30,26.2,21.1,20,22.1,22.9,26.7,28.1,29.6,31.8
1957,31.1,29.6,30.9,26.6,25.4,22,21,24.7,24.6,29.6,30.4,31.9
1958,32.8,32.4,30.6,27.8,24.2,23.6,24.7,23.4,25.1,28.2,29.8,30.8
1959,31.9,31.5,30.4,28.2,24.2,22.4,24.8,23.6,27,27.9,30.2,30.6
1960,31.9,30,30.3,27.1,21.5,22.3,24.1,24.2,25.9,28.8,29.3,32.1
1961,32.2,31.5,29.2,26.3,24.2,22.1,24.6,27.8,26.4,29.2,30.5,32.3
1962,31.2,31,31.1,27.4,23.3,21.2,19.3,23.6,26.6,26.1,31.1,33.3
1963,32.1,31.5,31.2,28.6,24.9,21.7,24.8,26.4,26.4,29.4,30,31.3
1964,33.7,31.5,31.2,28.5,24.3,21.4,21.9,24.4,26.2,28.2,30,30.4
1965,31.2,30.5,29,27.3,24.5,23.9,23,24.9,26.1,28.9,30.5,30.6
1966,31.2,30.7,30.1,28.2,24.9,23.7,23.8,24,24.4,28.2,31.2,32
1967,30.2,30.4,29.8,28.3,26.3,20.7,23.4,26.7,26.6,30,29.4,32.4
1968,31.2,31.7,30.6,25.2,21.8,22.6,23.2,23.8,23.9,27.6,31.9,31.9
1969,30.7,32.5,30.7,26.3,24,21.3,23.8,23.4,27.1,26.9,30.1,30.7
1970,31.7,31.3,30.5,29.2,25.1,22.3,22.6,23.3,24.1,27.5,27.5,30.7
1971,29.9,30,29,25.5,22.6,20.2,22.6,25.5,25.9,26.2,29.9,30.9
1972,30.6,29.8,30,25.3,24.9,23.9,22.6,22.7,26.3,26.4,28.6,30.2
1973,31.1,31.7,30.1,29.4,23.4,22,21.1,22.1,24.3,27.9,29.2,29.9
1974,30.3,30.5,29.3,26.9,23.9,20.1,23.8,24.4,25.4,27,28.9,30.1
1975,29.8,31.2,30.1,26.7,23.3,22,20.9,25.1,25.5,26.6,29.3,30.7
1976,29.9,30.2,29.3,26.5,23.4,20.8,22.8,23.5,23.5,27.8,29.9,30.8
1977,30.2,32.4,31.5,27.6,24.8,23.1,26.5,24.8,27.2,29.8,29.7,30.8
1978,31.9,32.4,31.9,27.5,23.6,22.2,25.5,22.1,25.7,28.8,30,31.8
1979,31.9,31.7,30.2,26.3,22.6,21.7,22.3,25.5,24,28.1,28.7,30.3
1980,30.4,32,31.7,29.2,24.9,21.3,23.6,25.1,23.4,28.3,29.2,30.8
1981,30.9,31.2,31.2,28.2,26.7,20.3,21.6,24.5,25.4,27.5,30.3,29.7
1982,31.6,30.6,30.5,28.2,24.3,22.4,24.7,25.4,26.3,28,28.6,29.7
1983,31.2,30.9,29.6,27.4,24.6,19.7,22.4,23.5,23,27.5,28.5,31.5
1984,31.5,32.7,30.3,25.8,25.4,22.6,24.7,21.9,25.2,30.4,29.1,29.9
1985,31.6,31.4,30.7,27.7,24.4,21.8,22.5,23.6,25.2,29.1,32.7,33.8
1986,32.6,30.8,29.6,28,24.8,23,22.9,24.6,24.3,27.3,30.8,30.7
1987,31.4,29.4,30.6,27.6,21.5,21.5,25.4,23.1,25.3,27.3,30.6,30.3
1988,32,29.6,32.3,27.4,21.8,20.5,20.7,25.6,26.4,28,31,32.2
1989,29.3,30.4,29.7,27.2,23.8,21.2,21.3,23.5,23.5,27.1,29.8,30.9
1990,30.2,30.5,30.9,28.1,22.6,20.6,19.6,23.7,23.1,28.8,31,31.1
1991,31.5,31.2,31.1,28.1,24.7,22.7,22.9,25,26.9,28.2,29.6,30.9
1992,31.5,31.7,29.3,26.5,24.2,24,20.1,22.5,24.6,27.9,29.4,32.1
1993,31,31.9,30.8,28.7,24.4,21.8,22,23.6,24.5,28.2,30.1,31.9
1994,32,30.6,30,28.1,26.7,24.7,23.8,25.8,25.5,28.9,28.5,32.5
1995,30.6,30.8,29.9,26.1,23.6,24.6,25.4,26.6,26,27.3,31.6,32.2
1996,31.3,30.6,29.4,27.9,24.9,20.2,22.2,25.7,24.8,27.5,30.6,30.5
1997,31.2,31,30.7,27.3,24.7,21.6,25.2,24.8,27.3,28.1,29.6,31.7
1998,32.3,30.8,29.8,26.5,23.4,22.4,24.5,24.1,24.9,28.4,30.9,31.1
1999,31.1,31.3,31.9,27.4,23.1,21.7,22.2,25.6,27.9,28.3,29.4,32.1
2000,31.7,31.4,31.2,28.4,22.9,22.9,20.4,25.6,25.5,29.4,30.2,31.1
2001,31.1,31.1,31,29.2,22.1,22,24.9,27.3,26.4,29,31.4,31.1
2002,31.8,31.3,32.1,30.3,25.2,23.8,23.5,24.9,26,30.3,30.3,31.7
2003,31.7,31.2,30.7,28.1,23.7,24.9,23.8,22.5,26.4,29.3,30.1,30.8
2004,31.3,31.4,31.2,29.6,21.3,22.3,23,24.5,27.5,28.5,28.8,30.8
2005,31.6,32.2,33,28.4,25.5,21.6,22.4,26,22.2,27.8,30.6,32
2006,32.5,31.7,31,27.8,22.3,22.2,25.7,25.4,25.3,30.2,30.9,32.6
2007,31.2,31.9,31,29.3,22.3,22.9,21.5,23.5,28.8,28.3,30,31.5
2008,30,31,30.6,27.4,23.2,20.7,25.7,24.8,24.6,28.4,30.7,32.1
2009,29.9,31.1,31.9,29.8,24.6,20.4,21.2,24.6,25.1,28.4,31.9,31
