1901,30.1,30.7,30,25.6,24.4,21.9,24.5,24.8,26.7,29.2,29.5,30.8
1902,29.7,32.3,30.7,28.1,25.7,24.4,24.8,22.5,27.1,27.6,30.8,31.3
1903,29.8,31.2,31,26.9,23.1,23,23.1,24.4,26.9,26.7,29.5,30.3
1904,29.1,29.8,30.9,27.7,22.2,21.2,24.2,24.5,26.1,26.9,29.7,29.8
1905,29,29.8,29.9,26.7,24.2,22.9,22.7,24.6,25.9,29.9,28.9,30.4
1906,31,31.5,30.9,27.8,26.1,22.4,24.1,25,25,28.5,30.2,30.2
1907,30.1,31.3,31.9,28,22.6,22.1,22.9,23.6,26.7,27.9,29.7,31.8
1908,30.6,30.4,30,27.7,24.3,23.2,24.6,23.3,26.1,27.5,29.8,30.9
1909,31,30.9,29.9,27.9,21.7,21.5,23.6,26.4,26.1,27.3,29,29.3
1910,31.1,30.1,30.2,29.1,23.6,23.5,22.9,25.8,25.7,27.3,29.8,30.2
1911,31.3,31.2,29.2,27.6,24.8,20.5,22.5,24,25.3,27.2,30.7,31.7
1912,31.1,32.4,31.1,28.3,25.6,23.2,21.6,24.6,24,27.6,30.4,31.1
1913,28.5,29.8,29.6,27.9,24.1,20.9,25.4,24.3,25.3,27.8,29.7,29.7
1914,30.3,30.2,30.9,27.7,23.1,24.3,25.9,23.7,25.6,27.9,29.6,29.6
1915,30.5,32,29,29,26.4,19.5,22.6,25.3,24.6,27.2,28,29.9
1916,29.7,28.7,28.3,27.4,24.4,21.5,21,23.7,26.5,27,29.7,29.6
1917,30.8,30,29.3,25.7,21.9,20.6,21.3,22.8,26,26.2,27.5,30.5
1918,30.1,28.6,28.7,26.4,22.7,20.6,21.6,23.7,25.4,27.3,29.8,29.6
1919,30.3,29.2,30.3,28.2,25.9,22.6,24.6,23,22.1,27.4,28.6,30.6
1920,30.5,30.8,30.9,28.7,24.2,21.5,21.2,22.8,25,28.1,30.3,30.4
1921,30.4,30.6,29.9,26.9,25.9,19.9,21.7,25.2,24.8,27.5,29.1,32.2
1922,30.2,30.3,29.7,27.9,23.9,20.8,24.1,25,25.6,25.5,29.8,30.2
1923,30.6,30.8,31,29,22,21.9,21.1,25.1,25.7,27.4,29.3,31.7
1924,29.6,30.3,30.7,26.4,22.5,22.5,22.3,22.6,24.3,26.2,28.1,31.2
1925,30,31.5,30.1,28.6,24,20,21.3,26.9,25.8,26.9,29.6,31.5
1926,31,30.9,32.3,28,23.3,24,22.6,25.6,27.5,28.7,30.7,30.8
1927,30.7,31.3,30.8,27.8,23.9,20.9,22.8,24.4,26,28,30,30.1
1928,31.4,31.3,30.7,29.3,24.2,21.3,22.2,23.6,24.7,27.7,30.4,30.9
1929,31.4,31.1,30.3,27.6,23.2,20.9,22.6,24.1,25,28.1,29.8,30.9
1930,30.4,30.4,30.9,28.5,25,25.9,23.1,24.5,24.9,27.3,29.5,30.8
1931,31.5,31.6,31,27.3,22.4,20.3,23.2,24.9,24.1,27.7,28.8,31.3
1932,30.7,31,30.6,28.6,23.3,21.4,25.6,23.1,25.8,28.3,30.3,30.5
1933,32.1,31.8,31.2,28.8,25.8,21.7,21.4,26,26.7,29.7,30,31.4
1934,31.3,30.6,31.8,26.8,25.2,24.7,23.5,25.2,26.3,27.6,31.1,31.2
1935,31.6,31.9,32.4,27.3,24.9,24.5,23.8,24.9,24.8,27.5,29.9,32.1
1936,31.9,30.7,31.5,27.8,27.3,24.2,23.5,23.2,26.3,29.4,30.3,31.8
1937,30.7,31.2,30.6,26.4,23.4,23.7,24.6,27.1,26,27.8,30.2,31.3
1938,31.4,30.8,31.5,26.8,24.9,23.3,23.9,24.4,26.3,27.9,30.4,31.5
1939,32.8,31.7,30.2,27.9,26,23.4,22.6,26.3,25.7,29.2,29.4,30.3
1940,30.8,31.5,31.3,28.9,26.4,24.4,26,25.4,26.3,27.9,29.6,33.4
1941,31.8,31.5,30.9,28.6,23.7,20.8,24.1,27,23.5,28.8,29.3,30.7
1942,31.8,32.3,30.6,28.3,23,20.4,21.2,26.4,26.3,28.9,31.8,32.1
1943,31.2,32.3,32.1,27.5,25.7,22.7,24.6,22.4,26.4,29.1,30.3,31.5
1944,32.2,32.2,30.9,28,25.3,23.9,23.9,27.2,28.6,30,29.8,32.3
1945,32,32.3,30.6,29.7,24.2,21,24.6,28.2,26,30,30.1,30.9
1946,29.9,32,30.1,27.1,25,21.8,21.8,26.5,27.7,28.6,31.1,30.7
1947,31.2,32,30.3,28.2,25.4,24.3,21.8,23.9,25.7,26.6,29.7,30.5
1948,32.6,31.2,30.2,28,24.5,24.2,24.6,23.7,27.1,28,29.6,31.6
1949,30.6,31.3,32.3,26.9,24.7,24,23.6,24.4,25.7,26,30.4,30.5
1950,29.9,30.4,29.5,27.9,26.5,23.4,23.8,27,26,27.2,29,30.7
1951,29.6,30.1,30.4,25.4,25.4,21.7,22.8,23.8,25.7,27.8,29.3,29.6
1952,30.8,31,31.2,25.3,25.5,20.3,23.5,25.5,25.2,27.3,29.5,31
1953,30.9,30.8,31.3,26.5,25.2,22.4,19.4,26.5,27.8,28.3,29.5,31.4
1954,30.4,31.6,30,27.9,23.3,23.9,23.1,25.5,26.8,27.6,31.4,30.8
1955,30.7,32.4,30,27.9,23.9,23.2,20.4,24.2,26.9,26.7,29.2,31
1956,30.3,31.2,29.9,26.4,21.7,20,22.5,23,26.7,27.9,29.2,31.6
1957,30.7,29.4,31.1,26.7,25.5,22.2,21.4,25.1,25,29.6,30.1,31.7
1958,32.1,32.1,30.6,28.5,24.8,23.7,25,23.9,25.3,28.4,29.8,30.4
1959,31.3,31.5,30.4,28.7,24.8,22.7,25.3,24,27.4,27.9,30.1,30.5
1960,31.1,30,30.7,27.2,22,22.7,24.6,24.6,26.5,29,29.1,31.9
1961,31.6,31.5,29.4,26.8,24.5,22.4,25.2,28.2,26.8,29.4,30.3,31.9
1962,30.7,31.1,31.2,27.6,23.8,21.5,19.8,24,26.7,26.2,30.9,32.8
1963,31.6,31.4,31.3,28.8,25.3,22.2,25.4,26.8,26.9,29.6,29.9,31.1
1964,33,31.4,31.2,28.9,24.8,21.9,22.4,24.7,26.4,28.2,29.8,30.2
1965,30.5,30.5,29,27.6,24.9,24.1,23.5,25.1,26.4,28.7,30.2,30.4
1966,30.9,30.9,30.4,28.4,25.4,24.3,24.4,24.3,24.9,28.6,30.9,31.9
1967,29.8,30.4,30,28.6,26.8,21.1,24.1,27.1,27,30.2,29.4,31.8
1968,30.5,31.6,30.6,25.6,22.3,22.9,23.8,24,24.3,28,31.8,31.6
1969,30.3,32.3,31,26.6,24.6,21.7,24.4,23.8,27.6,27.1,29.9,30.5
1970,31.3,31.1,30.4,29.3,25.8,22.9,23.2,23.7,24.4,27.6,27.6,30.8
1971,29.8,30.1,29.4,25.7,23.4,20.5,23.3,25.6,26.3,26.6,30,31.2
1972,30.3,29.8,30.3,25.9,25.5,24.8,23.4,23.2,26.5,26.8,28.7,30.5
1973,30.8,31.8,30.4,29.8,24.1,22.7,21.7,23,24.7,28,29.3,30.1
1974,30.1,30.7,29.5,27.4,24.4,21,24.7,25.4,26.1,27.6,29.2,30.2
1975,29.5,31.4,30.2,27.1,23.9,22.5,21.6,25.4,26.1,27.1,29.1,30.6
1976,29.6,30.2,29.4,27.3,24.2,21.5,23.4,24.2,23.8,28.1,29.8,30.9
1977,30.1,32.4,31.7,28.3,25.6,23.4,27,26,27.8,30.1,29.9,30.8
1978,31.5,32.2,31.8,28.3,24.3,22.8,26.6,22.6,26.2,28.9,30,31.5
1979,31.3,31.7,30.5,27,23.5,22.3,22.8,26.1,24.4,28.5,28.6,30.4
1980,30.1,31.8,31.8,29.3,25.5,21.7,24.2,25.4,23.6,28.5,29.3,30.7
1981,30.6,31.1,31.4,28.5,27.1,20.7,21.8,25.1,25.7,27.6,30.2,29.6
1982,31.2,30.6,30.3,28.2,24.8,22.8,25.2,25.5,26.5,28.2,28.9,29.5
1983,30.7,30.9,29.9,27.8,24.9,20.1,23.1,23.9,23.3,27.6,28.6,31.2
1984,31.2,32.6,30.6,26.2,26,23,25.4,22.3,25.4,30.5,29.2,29.9
1985,31.3,31.3,30.9,28,25,22.2,22.9,23.9,25.6,29.4,32.4,33.5
1986,32,30.9,29.8,28.4,25.3,23.4,23.4,24.9,24.5,27.6,31,30.7
1987,31.1,29.4,30.6,27.9,22,21.8,25.7,23.4,25.4,27.7,30.7,30.3
1988,31.6,29.8,32.3,27.9,22.7,21.1,21.3,26.2,26.7,28.4,30.8,32
1989,28.9,30.4,29.9,27.7,24.2,21.6,22,23.7,23.9,27.4,29.8,30.8
1990,30,30.7,31.1,28.6,23.1,21.2,20.1,24,23.4,29,30.8,31.1
1991,31.2,31.3,31,28.4,25.1,23.1,23.6,25.3,27,28.3,29.4,30.9
1992,31.3,31.6,29.5,26.8,24.6,24.4,20.8,22.9,24.6,28.2,29.3,31.9
1993,30.7,31.9,31,29.1,24.7,22.2,22.6,23.9,24.9,28.5,30.2,31.7
1994,31.4,30.7,30.2,28.3,27,24.8,24.3,26.8,26.4,29.2,28.5,32.4
1995,30.4,30.9,30.2,26.4,24.5,24.8,26,27.1,26.4,27.5,31.3,31.8
1996,30.9,30.6,29.7,28.2,25.4,20.8,23,25.9,25,27.9,30.4,30.6
1997,30.7,31,30.8,27.6,25.1,21.9,25.6,25.1,27.6,28.4,29.7,31.6
1998,32,30.9,30.1,26.9,23.8,22.7,25.3,24.4,25.3,28.6,31,31.1
1999,30.8,31.4,32.1,27.8,23.8,22.2,22.9,26.1,28.3,28.7,29.4,32.1
2000,31.4,31.5,31.2,28.8,23.6,23.5,21.1,26,25.8,29.8,30.3,31.2
2001,30.9,31.2,31.2,29.6,22.8,22.4,25.6,27.7,26.9,29.3,31.3,30.9
2002,31.4,31.2,32.2,30.9,25.9,24.5,24.1,25.5,26.6,30.8,30.4,31.7
2003,31.4,31.3,31,28.5,24.2,25.3,24.5,23,26.8,29.5,30.2,31
2004,31.3,31.5,31.6,29.9,21.8,22.8,23.5,25.1,28,28.8,28.9,30.8
2005,31.1,32.3,33,28.9,26.2,22.8,23,26.5,22.6,28.1,30.6,31.8
2006,32.1,31.6,31.3,28.3,23,23.1,26.3,25.9,25.7,30.3,30.9,32.4
2007,30.9,31.8,31.4,29.5,23.1,23.5,22.4,24,29.4,28,30.1,31.5
2008,29.7,31,30.9,27.8,23.9,21.2,26.4,25.4,24.9,28.8,30.7,32
2009,29.7,31.2,32.2,30.2,25.4,21.1,22.2,25,25.4,28.7,32,30.9
