1901,31.9,31.2,31.5,30.5,29,26.5,26.4,29.7,32.9,34.6,32.5,30.6
1902,30.9,30.7,30.4,31.4,28.4,26.5,27.1,29.6,34.4,33.4,33,31.7
1903,31.4,31.1,31.7,32,29.8,26.6,26.7,29.7,32.2,34,32.8,30.8
1904,30.4,30,29.9,30,28.4,27.1,26.1,29.3,32.5,34.3,33.3,30.5
1905,31.3,30.6,29.9,29.9,28.2,26.8,25.7,29.8,33.9,35.4,33.1,31.7
1906,31.7,29.8,30.1,29.9,28.7,26.5,26.1,29,33.1,33.6,31.7,30.7
1907,30.5,30.2,30.1,29.3,28.5,26.1,25.1,28.2,32.9,33.8,32.4,30.3
1908,30.6,30.1,30.1,29.6,28,27.3,26.3,30.1,34.2,35,32.4,31
1909,30.6,30.3,29.6,28.3,28.3,25.7,26.5,29.8,33.1,34.3,32.4,31.4
1910,30.6,30.4,29.7,29.1,27.6,26.3,26.1,29.6,33,33.6,31.5,30.9
1911,30.2,30,29.7,29.4,27.9,25.4,25.6,29,32.5,34.8,33,32.3
1912,30.9,31.1,30,31.2,29.7,26,25.7,28.8,32.9,33.8,34.2,31.4
1913,31.6,31.1,30.1,30.4,28.6,26.1,26.8,29.6,33.5,34.5,32.6,32.5
1914,31.7,30.3,30.8,31.2,28.7,26.9,26,28.8,34.3,34.9,33.1,31
1915,30.7,30,29.3,30.4,27.9,26.4,27,29.1,33,34.2,32.8,31.3
1916,30.7,31.3,30.9,29.4,27.9,26.8,26.7,28.9,33.4,35.1,32.6,30.6
1917,30.4,30.6,30.3,30,29,27,26.5,29.1,33.2,35.1,33.2,30.1
1918,29.6,29.6,29.3,27.9,26.6,26.6,27.1,27.7,32.6,33.7,31,29.8
1919,29.9,29.9,29.7,30.4,26.4,25.4,27.2,28.5,33.2,32.9,32.1,30.2
1920,32.3,30.6,30,29.2,28.3,26.3,26.3,28.4,33.4,32.9,32.5,32
1921,32,30.9,30.6,30.3,28.3,27,25.7,28.5,32.7,33.9,31.9,30.7
1922,33.1,31.6,31.7,30.5,29.5,28.4,26.9,30.4,33,31.1,32.3,32.3
1923,29.8,30.2,29.9,29.5,28.5,27.8,26.4,30.4,32.4,34.4,33.5,33
1924,33.9,32,30.2,28.9,28,26.7,24.8,27.8,32.5,32.7,31.8,29.6
1925,30.1,28.6,28.9,28.4,26.8,26.1,24.4,27.3,31.2,33.2,33.9,32.5
1926,32.9,30.7,29.4,29.8,27.6,25,24,27,32.9,32.9,32.7,30.9
1927,32.5,31.5,31.2,30.8,27.4,24.5,24.7,27.5,31.4,32.7,32.1,31.8
1928,31.5,33.5,31.2,30.4,26.3,26.9,24.6,27.4,34,35.2,33.7,32.1
1929,31.3,31.7,29.2,30.2,28.1,26.7,25.4,26.9,33.6,35.2,33.7,30.3
1930,31.3,32.7,30,28.7,25.7,25.1,24.7,27.7,32.3,34.9,34.6,31.8
1931,33.1,34.1,32.9,31.4,29.6,25.7,26.9,29.9,33.1,34.5,30.5,32.1
1932,34.3,33,30.2,29.8,28.6,25.2,24,26.7,33.3,35.2,35,30.3
1933,30.5,32,33.2,31.3,27.7,26.5,26.4,28.3,31.4,35,31.1,29.7
1934,30.7,31,30.5,30.2,29.2,27,26.9,29.4,31.5,34.2,32.4,30.3
1935,31.1,30.9,31.4,30,28.8,24.2,26.4,26.9,33.8,34.7,32.9,31.7
1936,31.2,32,29.9,28.7,27.5,25.4,24.8,27.6,31.2,34.5,33.1,31.6
1937,32,29.9,30.4,30,28,26.2,24.7,27.4,31.3,31.4,31.6,28.6
1938,31.1,30.8,30.6,31.9,29.3,26.3,25.4,29.2,33.2,34.7,31.1,29.4
1939,31.5,30.4,29.2,29.5,28.6,24.5,26.3,28.1,30.6,32.5,31,29.8
1940,32.5,30.6,30.1,29.6,27.5,25.5,25.5,28.9,34,33,33.1,33.4
1941,29.2,31.2,31.1,31.1,29.2,26,26.7,29.3,33.1,34.6,34.4,30.9
1942,32.1,33.4,32.4,31.4,28.7,28.1,25.4,29.9,34.1,32.3,33.9,31.1
1943,31.5,30.4,30.4,29.7,28.4,25.7,27.2,28.9,33,36.4,32.5,29.5
1944,30.7,29.2,30.2,30.5,26.8,26.2,26.6,30,33.3,34.7,33,33.4
1945,31.1,31.3,30.2,31.2,27.4,24.7,26.4,28.3,32.7,35.5,31.8,32.4
1946,30,31.8,32,30.8,28.6,25.6,25.7,27.7,33,35.5,32.9,32.5
1947,32.4,32.1,30.8,31.7,28.3,26.4,25,29.2,32.5,34.4,33.7,29.5
1948,30.1,29.6,29.1,29.2,28.6,26.3,25.5,28.2,31.9,33.8,31,33.5
1949,33.1,32.2,30.1,31.2,29.1,25.9,26.5,29.8,33.9,35.6,33.2,30.2
1950,31.1,31.2,31.2,30.6,27.8,26.5,26.7,28.2,33.3,33.4,33.1,30.2
1951,29.5,31.7,31,30.8,28.9,26.2,25.9,28.7,33.1,33.2,31.7,30.1
1952,29.8,29.5,32.5,31.8,28.1,26.1,26.8,30.5,33.6,34.1,30.4,31.8
1953,30.5,30.5,29.1,29.5,27.7,23.6,24.8,29.4,29.9,33.9,32.1,30.9
1954,30.8,31.1,31,30.7,28.9,25,25.3,28.2,33.3,35.8,31.3,29.3
1955,30.2,30.1,29.7,30.1,27.5,25.2,26.3,29.6,32.7,34,33,30.5
1956,30.6,29.9,29.8,28.5,27.5,25,25.9,30.2,31.8,35.6,30.4,30.4
1957,31.7,30.4,30.6,32.5,28.7,26.8,28.4,29.6,34,33.8,33.4,30.4
1958,30.3,29.2,31.2,31.6,29.1,25.5,25.7,27.7,34,32.9,31.9,30.6
1959,31.8,31.3,31.1,31.9,29.6,27.1,26.8,28.6,32.4,35.9,33.1,30.9
1960,32.8,30.6,30.9,29.9,27.6,26.4,24.8,30.8,33.4,35.9,31.3,32.9
1961,29.6,29.7,28.5,29.2,29.4,26.2,25.4,27.6,33.7,35.5,31.3,30.5
1962,29.7,29.7,30.8,29.1,26.3,27.8,26.1,28.9,34,36.1,31.5,27.7
1963,29.8,28.9,29.9,30.1,26.5,24.7,26.1,29,33.3,33.4,30.3,30.1
1964,31.4,31.6,33.3,32,27.7,25.9,24.6,28.7,32.4,34.2,32,28.8
1965,29.6,31.2,31.4,31.1,27.9,27.2,26.2,29.4,32.6,33.9,31.7,31.5
1966,31.5,29.7,29.4,29,28.4,25.4,26.4,28.8,33.2,34.6,34.1,31.3
1967,29.7,29.6,30.6,30.1,27.8,26.7,25.1,28.4,32.8,34.1,31,31.1
1968,30.7,30.8,30.4,30.2,29.1,25.4,27.3,31.2,33.3,36.6,30.9,30.1
1969,31.2,30.4,28.9,30,28.3,25.9,26,28.8,33.4,32.4,31.7,27.6
1970,31.5,31.5,32.3,30.7,29.7,26.6,28,29.4,34.4,34.8,31.1,31.3
1971,28.7,30.3,32.2,31.1,28.3,26,26.8,30.6,33.2,35,31.1,31.4
1972,29,31.6,29,28.7,27.9,25.6,25.7,29.2,34.2,33.8,33.3,33.2
1973,33.4,29.2,33.2,31.5,30.2,26.3,27,29.3,35,33.9,31.7,28
1974,28.6,28.5,29.5,28.5,26.8,24.9,25.2,30,31.8,34.7,30.2,29
1975,29.8,30,29,29,28.4,25.2,26.4,27.5,33.8,34.2,34.8,30.1
1976,29.4,29.1,28,27.9,25.3,24.5,26,27.4,32.7,33.4,33,31.4
1977,32.5,30.1,29.4,29.7,28.7,26.8,26.5,29.1,33.6,36.7,33.4,29.5
1978,29.8,29,28.8,27.6,27.1,24.9,24.8,31.1,33.9,33.1,31.3,29.8
1979,30.2,31.2,30.2,31.8,28.5,25.5,25.9,29.9,34,33.6,31.1,29.3
1980,31.2,30.6,30.8,31,29.4,25.4,25.2,28.5,33.3,34.4,32.3,31
1981,30.4,29.3,29.5,29.6,27.1,25.7,25.9,30.6,33.2,33.9,33.6,33.6
1982,31.8,32.2,33.5,31.1,28.3,27.8,26.3,30,32.7,32.1,31.5,32.7
1983,31.9,32.4,32.3,31.5,28.7,28.2,27.6,28.3,33.6,34.1,33.4,31.8
1984,33,31.5,31.3,31,29.7,26.8,26.4,29.9,35.1,34.6,31.4,31
1985,31.1,31,31.6,30.5,28.5,26.8,26.7,28.6,34.1,33.9,34.2,30.8
1986,30.6,30.6,29.5,28.9,28.2,26.4,26.4,30.7,33.7,31.5,32,32.1
1987,33.1,32.7,33.5,33.9,30.5,26.9,26.9,30.8,34.4,34.8,35.5,30.4
1988,32.3,31.5,30.4,30.4,27.8,27,26.9,30.1,33.8,34.3,33.3,30.8
1989,30.6,28.7,30.5,28.9,28.4,26.3,26,30.5,33.5,34,34.6,33.7
1990,30.3,31.4,31.1,30.9,29.4,28.4,28.3,30,33.9,35.3,35.7,31.8
1991,30.5,31.7,30.7,31.2,29.3,27.5,26.4,30.4,34,33.8,32.1,30.6
1992,32.6,34.4,32.3,32,29.7,28.4,27,30,33.5,35.2,32.7,32.1
1993,30.9,29.6,30.5,30.7,30.4,26.6,26.7,29.8,33.3,36.1,32.7,31.1
1994,30.5,29.9,32.8,30.2,29.5,26.5,27.4,29.7,34.3,34.6,35.4,32
1995,33.4,31.6,32,32.5,29.3,24.2,26.8,31.5,33.6,36.4,34.6,31.6
1996,31.8,31.7,30.5,31.7,29.6,26.3,26.3,32.6,35.5,37,33.9,32.3
1997,31.3,30.9,31.4,30.6,28.8,29.2,27.3,31,34.1,35.1,35.2,34.4
1998,31.1,33.2,32.7,33.2,31,28.8,28.3,30.7,33.5,36.2,34.2,30.2
1999,31.5,32.1,32,32.2,30.5,28.3,27.7,30.1,33.7,34.7,34.9,33.3
2000,31.6,32.5,30.4,30.3,28.4,27.2,27.4,29.1,34.8,37.3,32.8,30.8
2001,33.1,30.5,30.8,32.1,30.6,26.2,26.2,31.7,35.1,34.5,32.2,32
2002,31.6,31.2,31.2,32.7,29.3,28.1,28.5,31.5,34.1,34.9,35.4,33.5
2003,33.2,32.5,32.5,30.6,29.9,27.5,27.7,32.4,34.7,35.9,34.2,32.4
2004,30.7,31.7,30.7,31.3,28.6,26.2,26.5,30.5,34.1,36.2,33.2,34.2
2005,33.2,32.4,33.8,32.5,31.4,29.7,28,31.1,33.8,37.8,35.3,31.4
2006,30.7,30.6,30.5,30.2,28.2,26.4,26.9,29.5,33.3,35.2,32.8,31.2
2007,30.5,31.1,31.2,30.6,28.5,26.7,26.4,29.5,34.2,34,32.7,31.6
2008,30.7,30.5,30.7,30.2,28.9,27,26.9,30.1,34,35,33.1,31.3
2009,33.6,32.5,31.6,30.5,28.8,27.1,26.3,34.2,34.2,35.3,32.6,33
