1901,32,31.4,30.2,24.3,23.9,21.8,22.9,23.1,26.2,28.9,29.7,32.5
1902,31.9,33.5,30.7,27.4,25,23.6,22.8,20.4,26,26.9,30.5,32.1
1903,32,31.9,30.8,25.9,22.4,21.7,21.5,22.7,26.5,26.4,29.6,30.9
1904,31.2,30.5,30.9,27.3,21.6,20.7,23.2,22.7,25.3,26.5,29.8,30.6
1905,31,30.2,30.6,25.6,22.9,22.2,20.8,23,25,28.8,28.6,31.2
1906,33.8,33.1,32,27.3,25.6,21,22.9,23.1,24,28.1,30.4,30.8
1907,32.7,32.5,32.2,27.3,22,21.1,21.9,22,25.4,27.6,30.1,33.1
1908,32.9,31.4,30.5,26.9,23.5,22.6,23.3,22,25.1,27.6,30.1,32.1
1909,33.1,30.9,30.2,27.5,20.9,20.2,22.1,25.8,25.6,27.1,28.6,30.4
1910,33.1,30.6,29.9,28,23.3,22.4,21.3,24.3,24.8,27.2,30.2,31.6
1911,33.6,32.2,29.5,26.8,24.2,19.7,21.6,22.5,24.2,26.9,30.7,32.6
1912,33.4,33.3,31.5,27.4,24.5,22.8,21,23.3,24.2,28.3,30.7,33
1913,30.3,30.7,28.8,27.1,23.3,19.6,24.7,22.9,24.2,27.1,29.6,30.7
1914,32,30.6,30.6,27.3,23,23.6,25.3,22.4,23.8,27,28.3,30.2
1915,32.2,33,28,28,25,17.3,20.9,23.7,23,26.6,28,30.8
1916,31.4,29.3,27.6,26.9,23,19.8,18.5,21.8,26,26.7,29.7,30.6
1917,33.8,30.9,29.2,24.7,21.4,20.1,19.7,21.5,25.1,25.5,28.2,32.4
1918,32.8,29.6,29,26,21.6,19.6,20.4,22.7,24.6,27.2,30.2,31.1
1919,33.3,30.2,30.7,27.6,25.2,21.3,23.5,21.4,21.7,27.2,28.7,32.1
1920,32.7,31.6,31.5,28.3,23.8,20.4,19,21.6,24.3,27.5,30.7,31.5
1921,32.4,31.5,29.6,26.2,26,18.6,20.6,23.3,24.2,27.6,29.6,34.4
1922,32.6,31.2,29.9,27,23.2,19.3,23.6,23.3,24.7,24.8,30.5,31.7
1923,33.3,32.1,31.9,28.3,21,21.2,19.9,23.8,25.2,27.1,29.6,32.6
1924,32.1,31.8,30.8,25,21.2,21.3,20.7,21.3,23.1,26.3,28,33.3
1925,32.1,33,31.1,27.5,22.8,18.8,20.2,26,24.9,26.8,30.2,33
1926,34,33,33.4,27.2,22.6,23.2,21.3,24.7,26.8,28.6,31.1,32.3
1927,33.3,33,31.5,27,23.5,20,22.1,23.6,25.5,28,30.2,31.2
1928,34,31.9,30.9,28.4,23.4,19.7,20.9,22.6,23.6,27.8,31.2,32.4
1929,34.4,32.3,30.8,28,23.2,19.8,20.9,22.7,23.9,27.8,30.8,32.5
1930,32.7,31.5,31.1,28.5,24.5,26.1,21.7,22.5,24.1,27,30,32.4
1931,33.8,34,31.9,26.9,21.4,19.3,22.6,24.6,23.5,28.6,29.5,33.4
1932,34.5,32.1,31.7,28.3,22.6,20.7,25.6,22.3,25.4,28.7,31.5,32.6
1933,33.5,32.9,32.4,29.3,25.6,21.4,19.6,24.4,25.9,30,30.7,33.6
1934,34.2,30.8,32.4,24.9,25.1,24.4,22.2,23.6,25.7,27.1,30.7,32.3
1935,34.4,32.9,33.4,26.6,22.3,24.1,21.7,23.6,23.6,26.4,29.7,32.2
1936,33.9,31.8,32.3,26.7,26.9,23.1,21.8,21.1,25.9,28.5,30.3,33
1937,33.8,32.3,30.1,25.9,22.9,23.6,21.8,25.5,24.8,26.6,29.9,32.6
1938,32.9,31.6,31.6,25.9,24.2,23.2,23,23,25.9,27.7,30.5,33.1
1939,36.3,33.2,30,27.5,25.2,23.3,21.3,25.7,24.5,29.3,28.5,30.1
1940,32.3,32.2,30.6,27.7,25.1,23.3,25.2,23.3,25.6,26.8,29.6,34.1
1941,34.5,31.5,30.5,28,23.1,21.1,23.3,26.1,23.4,29,29.5,31.6
1942,34.3,34.1,30.6,28.4,21.8,19.3,20.6,25.9,26.1,29.5,33.2,34.6
1943,35,34.8,32.2,27.6,25.3,21.7,23.6,21.3,26.9,30.1,30.9,33.6
1944,35.1,35.4,30.5,28.1,24.9,23.4,24.1,27.1,29.1,29.8,31.4,34.9
1945,35.9,34.4,31.6,31.1,25.2,20.7,24.3,28.8,25.3,30.9,30.2,32.2
1946,32,33,30.6,27,24.1,20.3,20.3,25.7,27.4,28.1,31.6,31.3
1947,33.5,33.5,31.2,27.6,24.9,24.2,20.8,22.9,25.4,27,31.1,32.8
1948,35.6,32,31,27.4,23.9,24.2,23.2,22.4,26.6,27.9,29.3,34.4
1949,33.9,32.6,32.6,26.7,24.9,23.2,23.1,24.1,25.3,26.5,31.9,33.4
1950,32.3,31.4,29.8,28.5,27,22.9,22.8,26.1,25,27.5,29.7,32.6
1951,33,30.8,29.8,25.1,26,23.1,24.4,24.4,26.9,29.4,31,32.8
1952,35.3,32.8,32.8,25.6,26.8,18.5,24.3,26.1,24.8,28.2,30.6,32.9
1953,33.7,32.9,33.3,26.6,24.8,22.3,18.8,27.2,27.8,27.2,30.8,33.3
1954,33.2,33.3,31.4,28.3,22.4,22,21.8,24.5,24.7,26.8,32.4,32.3
1955,34.5,34.4,29.9,27.1,23,22.2,18.5,23.6,25.3,26,31.2,32.8
1956,32.6,31.9,31.2,25.7,20.7,19.8,21.4,22.9,25.9,28.7,30.8,33.1
1957,33.8,31.2,32.4,26.5,26.8,21.8,20.2,24.2,23.1,30,30.7,33.6
1958,34.8,34,30.9,27.1,23.6,24.2,25,21.4,25.6,27.9,30.3,32
1959,33.5,33.2,31.9,28.5,24.4,21.7,25.3,22.2,26.2,28.7,30,30.7
1960,34.6,32.2,30.9,27,21.8,22.8,23.3,23.9,25.6,29.3,30.7,33.1
1961,35.3,32.4,29.2,25.5,24.9,21.4,22.8,27.8,24.5,30,30.9,32.5
1962,33.3,32.2,32,26.7,22.8,23.6,18.2,23.3,26.9,26.6,33,34.8
1963,34.7,33,32.1,28.9,25.1,21.9,24.8,25.6,25.3,29.1,30.1,32.9
1964,35.9,33.6,31.5,27.4,25.7,20.4,22.6,23.5,25.5,28.2,30.9,32.2
1965,33.8,32.5,29.8,27.6,24,24.2,21.8,23.6,23.8,29.3,30.1,30.6
1966,32.4,30.6,30,28.6,25,24.2,23.6,23.8,24.8,28.5,32.6,33.4
1967,32.4,30.5,30,28.7,26.3,20.6,22.8,25.7,25.8,30.6,29.8,35.8
1968,33.5,33.6,31.5,26.4,24.3,23.1,24.2,24.4,24.7,28.7,32,34.2
1969,32.4,33.6,31.3,27.3,25.4,22,25.1,22.8,27.9,27.9,30.6,33.2
1970,35.4,32.5,31.8,30.7,25.8,21.6,22.4,22.9,25.5,27.5,29.3,32.5
1971,31.7,30.6,29.3,25.6,22.2,18.9,23.7,23.5,27.6,27,32.1,33.8
1972,33.6,33.3,31.4,26.4,26.7,24.3,21.7,21.2,26.8,26.4,28.5,30.7
1973,32.7,32.6,30.7,28.5,23,21.7,19.8,20.4,23.8,27.8,29.6,31.1
1974,32.7,30.7,29.9,27.5,23.9,19.5,24.8,23,24.7,27.6,30.2,30.7
1975,32.3,31.9,29.3,26.8,23.7,22.7,20.9,22,23.7,26.9,28.8,32
1976,32.1,31.5,29.2,27.2,22.9,21.3,22.5,23.2,22.8,28.4,30.3,32.3
1977,31.1,33.3,31.9,28.3,23.3,23.3,24.4,22.6,27.9,30.2,29.7,32.1
1978,33.8,32.1,33.7,28.1,24.7,22.5,24.3,22,25.6,29.6,30,32.9
1979,36.1,33.7,29.5,25,21.8,21.1,22.1,24.5,22.6,27.9,29.4,30.9
1980,33.1,32.1,32.3,29.5,25,20,22.1,24.5,24.3,28.4,28.2,31.5
1981,31.8,31.8,32.2,27.8,27.2,20,22.1,26.5,23.8,28.4,30.2,31.7
1982,34.4,31.1,30.8,28.7,25.2,21.1,23.7,24.2,25.7,27.7,27.8,30.5
1983,32.8,31.3,30,26.1,22.9,18.2,18.9,22.4,23.3,28.1,28.9,33.9
1984,33.1,33.9,30.2,24.9,25.3,19.4,22.7,20.6,25.2,30.3,29.3,30.7
1985,33.8,31.7,31.8,26.5,25.1,22.6,22,21.3,23.7,28.9,33.8,35.8
1986,36,33,29.9,26.8,24.6,23.8,22.5,24.1,24.7,27.8,29.8,31.6
1987,32.5,30.4,31.5,26.6,20,21.2,24.3,22.1,24.5,27.5,30.9,31.2
1988,33.7,31.2,34.5,26.8,19.9,19.7,20.5,24.7,23.9,28.1,30.9,33.4
1989,31.9,32,29.9,26.2,23.8,20.7,20.7,23.6,22.1,27.5,30.2,32.5
1990,32.3,31.4,31.3,26.3,22.5,18.6,18.5,24.6,22.7,28.3,30.6,31.5
1991,32.6,32.5,31.4,27.8,24.8,22.1,22.1,24.2,26.3,27.4,29.3,31.7
1992,32.9,31.5,28.6,26.4,22.9,22.6,18.2,21.5,23.7,27,28.5,32.3
1993,32.6,32.6,31,28.4,24.2,22,20.4,23.4,23.7,27.9,29.6,32.7
1994,34.6,29.6,29.3,27,25.7,24.5,22.6,24.4,24.3,28.6,28.8,33.6
1995,32,30.7,29.8,26.1,22.8,23.7,23.6,25.3,25,27.4,32.8,34.1
1996,33.5,30.8,29.4,27.3,24.3,18.7,21.2,25.6,24.1,26.8,30.4,30.8
1997,33.8,31.5,31.4,28.1,25.1,20.9,24.6,24.3,26.2,27.1,29.2,32
1998,32.9,29.8,28.6,25.1,23.4,21.6,23.6,21.5,23.3,28,30.6,30.7
1999,32.7,31.9,32.2,26.2,22.7,20.6,19.3,25,27.7,28.2,29.8,32.8
2000,33.3,31.8,30.7,27.8,22.5,21.5,19.2,24.4,25.1,28.5,29,31.4
2001,32.8,31.3,31,27.6,20.8,22.2,24.4,27.2,25.4,29.1,31.5,32.5
2002,33.4,32.2,32.1,28.3,25,20.5,21.1,25.3,25.5,29,30.5,31.7
2003,33.7,31.7,30.4,27.8,23.8,25.2,22.4,22,26.9,29.8,30.1,30
2004,33.1,32.1,32.8,30,20,22.6,22.2,23.3,25.7,28.4,27.8,31.5
2005,33.6,32.8,32.5,26.8,24.6,21.5,22.1,25.3,21.8,26.4,31,32.8
2006,34.2,32.4,30.3,26.9,22.2,21.4,25.9,25.3,25.2,29.8,30.2,33.8
2007,31.2,31.8,30.8,28.9,20.5,22.1,20,21.4,27.7,29.5,29.3,32.5
2008,33.1,30.8,31.2,26.7,23.4,19.3,25.6,24,24.3,28,31.1,32.8
2009,32,31,32.8,30.3,24.8,19.8,19.1,24.1,23.5,28.5,31.3,31
