1901,30.5,30.5,29.1,23.6,22.7,21,21.3,21.7,24.9,27.4,28.4,31
1902,30.6,32.3,29.7,26.6,24.1,22.5,21.5,19.6,24.8,25.6,29.4,31.3
1903,30.4,31,30.2,25,21.6,21.1,20.2,21.8,25.3,25.1,28.7,30.5
1904,30,29.6,29.9,26.2,20.9,19.7,21.6,21.6,24.5,25.4,28.6,29.8
1905,29.8,29.6,29.3,24.9,21.9,20.9,19.6,21.9,24.3,27.6,27.8,30.5
1906,31.9,31.5,30.4,26.1,24.3,20,21.3,22.4,23.2,26.8,28.8,30
1907,31,31.3,30.7,26,20.7,20.1,20.1,20.8,24.1,25.7,28.6,31.9
1908,31.1,30.2,29.2,25.7,22.3,21.5,21.5,20.6,24.1,26,28.5,31
1909,31.5,30.2,28.6,26,20,19.3,20.7,24,24.4,25.4,27.4,29.3
1910,31.7,29.7,28.6,26.5,21.7,21.4,19.7,22.9,23.6,25.5,28.8,30.7
1911,32,30.8,28.2,25.5,22.9,18.5,19.8,21.2,23,25.3,29.4,31.4
1912,31.7,31.9,30.1,26,23.4,21.8,19.3,22,23,26.6,29.4,31.7
1913,29.6,30.6,28.4,26.3,22.8,19.1,22.8,22,23.7,26,28.6,29.9
1914,31.4,30.1,29.6,26.1,22.3,23.1,23.5,21.9,23.6,26.1,28,29.5
1915,31.1,32,27.5,27.2,24.1,17.2,19.8,22.7,22.8,25.5,27.4,30.2
1916,30.7,29,27.1,25.9,22.6,19.1,17.8,21,25,25.6,28.6,30
1917,31.8,30.1,28.2,24.1,20.3,19.3,18.5,20.1,24.1,24.6,27,31.1
1918,31.2,29.1,28.2,25.1,21,19,19,21.2,23.2,25.6,28.7,30
1919,31.4,29.4,29.4,26.4,24.6,20.6,21.6,20.6,21.2,25.5,27.5,30.8
1920,31.5,30.7,30.1,27,22.8,19.6,18.6,20.5,23.6,26.2,29.3,30.8
1921,30.9,30.5,28.8,25.1,24.3,17.9,18.9,22.3,23.4,26,27.9,32.6
1922,31,30,28.9,25.6,22.3,19,22.2,22.5,24,23.9,29,30.6
1923,31.6,31.1,30.6,27.1,20.5,20.5,18.6,22.5,24.1,25.4,28.3,31.3
1924,30.4,30.3,29.8,24.4,20.8,20.5,19.6,20.2,22.6,24.7,26.9,31.9
1925,31.1,32.1,30,26.4,21.8,18.2,18.6,24.3,24.1,25.4,28.9,31.8
1926,32.4,31.4,31.4,26,21.6,21.9,19.9,23.3,25.4,26.8,29.6,31.3
1927,31.8,31.8,30.4,26,22.3,19.5,20.6,22.2,24.1,26.1,28.8,30.2
1928,31.8,30.5,29.7,27.4,22.5,19.2,20.1,21.4,23.1,26.4,29.7,31.4
1929,32.5,31,29.4,26.3,22,19.3,20.2,21.7,23.6,26.3,29,31.6
1930,31.4,30.6,29.7,27,23.6,24.2,20.1,21.5,23.4,25.5,28.5,31.3
1931,32.7,32.5,30.9,25.5,20.7,18.7,21,23.3,22.5,26.7,27.9,32.1
1932,32.7,31.3,30.3,26.7,21.5,19.7,24,20.9,24.3,26.9,30,31.1
1933,30.4,31.2,30.1,27,24.1,20,18.2,22.6,24.3,27.3,28.7,31.7
1934,32.3,29.4,30.9,24,24,23,20.4,22.4,24.4,25.5,28.7,30.6
1935,32.2,31.3,31.8,24.9,20.9,23.1,20.5,22.2,23,24.9,28.6,30.7
1936,31.2,30.6,30.7,25.7,25.8,22.7,20.8,20.3,24.6,26.5,28.7,31.4
1937,31.2,31.2,28.8,25.1,21.8,22.6,19.9,24.2,24,24.5,27.7,30.4
1938,30.7,30.2,30.2,24.9,22.9,22.4,21.5,21.6,24.8,25.8,28.7,31.4
1939,33.7,32,29.3,26.1,23.8,22,19.9,24.5,23.4,27.9,27.2,28.6
1940,30.5,30.9,29.5,26.3,24.2,22.3,23.8,22.5,24.7,25.3,28.3,32.5
1941,32.9,30,28.6,27.7,23.2,21.7,21.8,24.7,23,26.9,28.7,30.5
1942,32.3,32.7,29.4,27.1,21.1,19,19,24.8,25.3,27.5,32.1,33.3
1943,33.4,33.9,31.9,26.6,24.7,21.6,22.3,20.5,25.8,28.5,30.1,32.7
1944,32.5,34,30,26.9,23.9,22.4,22.4,26,28.1,28.9,30.2,33.7
1945,34.2,34,30.9,29.8,23.9,19.4,23.1,27.5,24.7,29.6,29.8,31.3
1946,30.7,31.9,29.6,25.9,23.9,20,18.8,24.6,26.8,26.9,30.8,30.6
1947,32.3,32.7,29.7,26.3,23.9,22.8,19.5,21.8,24.5,26.1,30.3,31.6
1948,33.6,30.7,29,26.5,23,23.5,21.8,21.3,25.5,26.6,28.6,33.1
1949,32.6,32,31.3,25.6,23.9,22.9,21.7,23.1,24.9,26,31.4,32.4
1950,31.7,30.9,29,27.6,26.2,22,20.9,24.9,24.6,26.7,29.4,32.2
1951,32.4,30.7,28.8,24,24.6,22.4,22.4,23.2,26.3,27.6,29.5,32
1952,33.9,31.5,31.8,24.4,26.1,18.5,22.6,25.3,24.1,26.9,29.7,32.2
1953,32.7,31.9,32.5,26,24.8,22.1,17.8,26.4,27.2,26.8,30.2,32.8
1954,32.7,32.3,30.6,27.8,22.3,22,20.6,24.1,24.8,25.8,31.7,32.1
1955,33.2,33.4,29.6,26.4,22.3,21.5,17.4,23,25.1,25.4,30.4,32.4
1956,32.1,31.6,30.2,24.8,19.8,19.6,19.8,22.6,25.7,28.3,30.3,32.7
1957,33.3,30.6,31.5,26.1,26.3,21,18.8,22.6,22.3,28.3,29.2,32.8
1958,34,32.5,30.2,26.3,23.6,23.5,23.4,20.9,25.4,27.1,29.6,31.2
1959,32.5,31.9,30.5,28,23.5,21.3,23.9,22.3,25.9,27.8,29.3,31.3
1960,33.1,31.1,30.1,26.1,21,22.1,22.2,22.9,25.3,28.6,30.1,32.9
1961,33.9,31.8,28.7,25.4,24.4,21.4,22.1,27.3,24.3,29.1,30.2,33.1
1962,32.5,31.4,31.3,26.3,22,21.9,17.1,22.4,26.4,26.3,32.2,34.1
1963,32.7,32.4,31.5,27.3,24.4,21.4,23,24.9,25,27.3,28.6,31.2
1964,34.3,32,30.7,26.9,24.6,19.8,20.4,23,25,27.3,30,31.6
1965,33,31.7,27.9,27,23.5,23.7,20.4,22.9,24.1,28.3,29.8,30.1
1966,31.5,30.2,29.9,28.4,24.7,23.2,22.2,22.8,24.3,27.3,31.5,32
1967,31.4,31.3,28.8,28.2,27.1,19.6,21.3,25,25.4,29.3,29.6,34.2
1968,32.7,32.3,30.2,24.7,22.2,21.7,21.6,23,23.1,27.1,31.7,32.4
1969,30.7,31.9,30,25.5,23.9,20.6,22.5,20.5,25.9,26.9,29.3,31.6
1970,33.1,31.6,30,28.7,24,20.8,20.4,22.1,24.1,25.9,26.8,31.3
1971,30.6,29.9,27.7,24.1,21.1,18.7,21.4,22.9,26.4,25.9,30.4,33.4
1972,31.9,31.1,30.1,25,25.5,23.6,20.5,20.9,26.2,25.1,27.6,30.1
1973,30.7,31.8,29.3,26.7,22.1,20.6,19.3,20.2,22.4,26.8,28.4,30.8
1974,31.3,30.1,29.1,26.1,23.3,18.1,22.4,21.8,24.9,26.1,28.5,29.6
1975,30.1,31.4,28.6,25.3,23.1,21.7,19.2,21.1,23.1,24.2,28,31.1
1976,30.8,30.7,28.5,24.9,21.6,19.9,20.4,21.5,23.1,26.9,29.1,31.8
1977,30.5,32.2,30.6,26.8,22.3,22.4,23.8,21.7,27.2,29,29,31.2
1978,32.8,31.4,32.3,26.2,23.8,21.2,22.4,21.1,25,28.1,28.8,31.7
1979,34.1,31.9,28.8,24.4,21.2,20.2,20.5,23.7,22.7,26.6,28.7,30.6
1980,31.6,31.4,31.5,28.5,23.9,20.6,20.9,23.7,23,27,27.7,30.8
1981,31.1,31.3,29.6,26.9,26.8,18.9,20,24.8,23.5,27.4,30.2,30.7
1982,32.7,30.6,30.1,27.4,23.6,21,22.3,23.8,25.8,26.6,28.3,30.1
1983,32.1,30.3,28.6,25.7,22.8,18.3,18.3,22.2,22.5,26.8,28.2,32.2
1984,31.8,32.6,29.3,24.5,24.7,19.9,21.4,19.5,23.5,29,28.4,29.5
1985,32.3,30.8,30,25.6,23.9,22,20.6,21.1,24,27.9,32.6,34.4
1986,34.4,31.7,29.1,25.9,23.8,23.2,20.7,23.2,24.7,26.1,28.7,30.9
1987,31.4,29.8,30,26.1,19.4,19.7,23,21.4,23.4,25.8,29.4,30.4
1988,31.9,29.5,32.7,25.1,19.1,18.5,18.9,23.5,23.2,26.6,29.7,31.6
1989,30.4,30.9,28.9,25.1,22.1,19.4,18.8,22.5,21.8,25.9,29.1,31.5
1990,31,30.6,29.9,25.6,21.4,17.9,16.9,23.1,22.7,27.5,29.7,30.4
1991,31.7,31,30.6,26.7,24,20.9,20.3,23.2,25.7,26.9,28.7,31.2
1992,32,31,28,25.3,22.4,22.4,17.3,20.9,23.3,26.3,27.9,31.6
1993,31.1,31.7,29.6,27.3,23.2,20.8,19.8,22,22.6,27.4,28.1,31.7
1994,32.3,29,28.8,26,25,23.8,21.1,23.2,23.1,27.2,28.1,32.8
1995,30.8,30,29.5,26.4,22.3,22.8,22.2,23.9,24.6,26.3,31.7,33.3
1996,32.1,30,28.8,26.7,23.1,18.1,18,24.9,23.2,25.7,29.9,30.1
1997,32.8,31,29.9,26.1,23.5,20.5,23.1,23.4,25.3,26,29.9,31.2
1998,32,30.2,28.2,24.6,22.5,21.1,22,22,23.4,27.3,29.8,30.3
1999,31.9,31.1,32,25.4,22.5,20,18.5,23.6,26.2,26.6,28.5,32
2000,32,31.6,30.3,27.7,21.6,21.3,17,23.2,24.3,27.6,29,30.9
2001,30.9,30.8,30.6,27.3,21.1,21.4,22.8,25.1,24.3,27.8,30.8,31.6
2002,32.2,31.6,31.6,27,24.1,19.5,20.4,24.3,24.4,27.1,29.2,30.7
2003,32.6,31,29.6,26.3,22.9,24.1,21.2,21.1,24.9,28.3,28.6,29
2004,30.8,30.8,30.2,28.8,19.4,21,20.2,21.9,24.2,26.7,27.4,30.4
2005,32.1,31.5,31.2,25.9,24.2,23.2,19.5,23.5,20.7,25.3,30,31.2
2006,32.9,32,29.9,26.2,21.2,20.2,23.3,23.4,23.9,28.6,29.2,32.9
2007,31.3,31.7,29.9,27.6,20.2,20.9,17.6,20.4,26.9,28,28.4,31.4
2008,32,30.4,30.6,25.9,22.1,18.4,23.3,22.8,23.2,26.4,30.2,32.1
2009,30.8,30.9,31.3,28.7,23.6,18.8,16.6,23.1,23.1,27.5,30.5,30.7
