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