1901,32.4,35.1,35.5,33.6,31.4,30,28.7,28.1,29.8,30.5,31.5,32
1902,33.2,34.6,34.6,33.2,31.9,30.7,29,28.2,29.1,30.4,31.2,31.5
1903,32.9,34.7,35.2,33.7,32,30,28.4,27.6,29.3,30.5,31.1,31.6
1904,32.2,34,34.4,33,31.7,30,28.2,27.8,29.4,30.3,31.1,31.6
1905,33,34.3,35,33.8,32.1,29.7,28.5,27.9,29.1,30.6,31.4,32.2
1906,33,35.3,35.9,34.4,32,30.2,28.3,27.8,29.2,30,31.3,31.2
1907,33,34.2,35.2,33.4,31.9,30.1,28.8,28.1,29.4,30.5,31.2,31.5
1908,32.9,34.5,34.7,33.8,31.5,29.9,28.4,27.5,29,30.1,31.1,31.9
1909,32.8,35,35.5,33.3,31.4,29.6,28.2,27.7,29.5,30.3,31.3,31.7
1910,32,35,35.4,34.2,32.1,31,28.6,27.8,29.4,30.3,31.2,32
1911,33.4,34.9,35.2,33.9,31.5,29.4,28.4,27.4,29.3,30.3,30.9,31.2
1912,33.1,34.7,35.4,34,32.7,30.4,28.8,27.9,29.1,30.4,30.9,32
1913,33.4,34.1,34.1,33.6,31.9,31.3,29.1,28.1,29.3,30.1,30.6,30.7
1914,32.9,34.5,34.6,33.4,32.1,30.4,28.5,27.4,29,30.5,31.1,31.5
1915,32.3,34.6,35.6,34.1,31.7,30.3,28.7,28.1,29.5,30.5,31.3,31.6
1916,33,34.7,35.3,33.2,31.8,30,28.2,27.7,29,30,30.7,31.4
1917,33,33.8,34.5,33.4,31.4,29.9,29,27.8,28.8,30.1,30.2,31.3
1918,32.4,33.9,34.4,32.8,31.3,29.4,27.9,27.1,29.5,30.2,31.1,30.9
1919,32.8,34.7,34.1,32.4,30.6,29.4,27.7,27.5,28.7,30.1,31.3,31.8
1920,32.8,34.7,34.5,32.9,31.4,29.8,28,27.5,28.9,29.9,30.7,31.6
1921,32.3,34.5,34.6,32.7,30.4,28.8,28.5,27.9,29.4,30.7,30.9,31.5
1922,33,34.7,35.1,32.7,31.5,30,28.5,27.3,28.6,29.7,30.7,31
1923,32.6,34.1,34.7,32.7,31.3,30,28.3,27.6,29,29.9,31.1,32.3
1924,32.8,34.1,35.2,33.6,31.4,29.5,28,27.2,28.3,29.4,30.1,30.4
1925,31,33.8,34.1,33.7,32.2,30.2,28.1,27.5,28.3,29.3,29.7,30.7
1926,32.1,34.5,35.1,33.4,32.1,29.4,28,28,29.2,30,30.2,31.3
1927,31.4,33.9,34,32.8,30.9,29.1,28.1,27.5,28.9,29.7,30.2,31.3
1928,31.6,33.2,34.2,33.3,30.6,29.4,28,26.8,28.6,28.8,30.2,31
1929,31.7,34.4,34.3,33.3,31,28.3,27.8,27,28.7,29.5,30.4,30.4
1930,31.4,34.5,33.1,32.8,30.9,29,27.6,26.9,28.5,29.2,30.3,31.4
1931,32.1,33.8,34.5,33.1,30.9,29,27.6,27.2,28,29.7,30.2,31.4
1932,31.5,34.3,34.5,33.6,31.2,29.8,27.6,27.7,28.9,30.2,30.7,30.6
1933,32.6,33.8,34.2,33.4,32.2,29.3,28.1,28.6,29.4,29,31,30.2
1934,30.8,32.4,33.9,34,31.2,29.9,28.6,27.9,29.5,29.7,30.9,30.9
1935,32.1,34.4,33.8,33.9,31.3,29.3,27.9,27.4,28.9,29.6,30.3,31
1936,32.2,35,34.8,33.4,30.8,29,27.5,27.4,29,30.2,31,31.5
1937,32.9,35.1,34.9,34.3,31.6,30.2,28.2,27.6,28.9,29.9,31,31.8
1938,32.6,35.3,34.6,34,31.4,30,28.2,27,28.9,30.6,31.1,32
1939,32.9,33.9,34.5,33.6,31.5,30.2,29.2,28.3,29.1,29.8,30.7,31.2
1940,32.1,33,34.3,33.6,32.3,30.5,28.7,28.2,29.7,30.1,30.6,31
1941,32.5,33.3,34.6,33.3,32,30.3,29,28.6,29.5,31,31.5,31.7
1942,32.4,33.4,34.7,33.5,31.5,30.5,28.6,27.6,30,30.5,31.4,31.1
1943,32.4,34.2,34.7,33,31.7,30,28.6,27.8,29,29.9,30.5,31.2
1944,32.2,33.8,34.4,32.7,32.3,30.7,29.2,28.2,29.5,30.2,31.5,31.9
1945,33.5,34.1,35,33.5,32.2,30.7,28.7,27.8,29.3,30.2,31.3,31.6
1946,32.6,33.8,35.1,33.5,32,30.3,28.4,27.8,29,29.7,31.3,31.3
1947,32.3,34.2,34.2,32.5,31.9,30.3,28.9,27.9,29.3,30,30.8,31.1
1948,31.6,33.9,34.4,33.1,31.3,29.2,28.5,27.7,28.9,29.9,30.5,31.6
1949,32.2,34,34.7,33.4,31.6,30,28.5,27.9,29.1,29.4,30.4,30.5
1950,31.8,34.2,34.5,33.2,31.7,30.3,28.2,27.7,28.9,29.3,30.4,31.5
1951,32.6,33.2,33.8,33,30.6,29.5,28.3,27.7,29.4,29.5,30.8,30.8
1952,32.1,34,34.1,33.4,31.2,29.7,28,27.4,28.9,29.8,30.7,30.9
1953,33.1,33.2,34,33.2,31.3,29.2,28,27.6,28.9,29.8,30.8,31.5
1954,32.5,33,33.7,32.1,31,29.1,27.3,26.7,29,29.3,30.3,31.3
1955,32.2,33.2,33.3,31.3,30.5,29,27.4,27.2,28.4,29.7,30.3,30.1
1956,31.6,32.7,33.1,32.2,30.9,29.2,27.4,26.6,28.7,29.7,30.4,30.6
1957,31,32.9,33.7,32.7,31.1,29.8,28.3,27.6,28.8,29.5,30.5,31.5
1958,33.6,33.3,33.9,32.8,30.8,29.4,27.4,27,28.9,29.7,29.8,30.4
1959,31.6,33.3,34.5,33,31,30,28.1,27,28.9,29.9,30.6,30.6
1960,31.7,33.3,34,33.2,31.3,29.7,28.1,28.4,29.2,29.9,29.5,30.8
1961,31.6,33.1,33.8,33.1,32.2,29.4,27.6,27.3,28.8,29.8,30.1,30.7
1962,32.6,33.3,33.9,32.4,31.4,28.8,28,27.2,29,29.4,30.1,29.9
1963,32.6,33.3,33.4,33,31.8,30.1,28.6,27.8,29.5,29.3,29.8,30.5
1964,32.4,33.6,34.8,33.2,31.2,29.7,27.7,27,28.4,29.7,30.4,30.8
1965,31.4,32.9,34.2,32.9,31.1,29.4,28.1,27.7,28.6,30.1,30.9,29.9
1966,31.6,33.2,34.2,32.9,31.5,29.9,28.7,27.7,28.7,29.6,29.7,31
1967,30.8,33.4,34,33.3,31.4,29.6,27.8,27.3,28.9,30,30.6,30.6
1968,32.2,33,34.1,32.9,31.1,28.5,28.6,28.7,29.3,30,30.6,31.8
1969,33.3,34.2,34.6,33.8,32.2,29.7,28.4,27.9,29,29.2,30.9,32.4
1970,33,34.5,34.5,33.6,31.4,30.1,28.4,27.7,28.6,30.7,30.3,30.8
1971,30.3,33.1,33.8,32.8,30.7,29.5,27.8,27.1,28.7,29.9,30.7,31.3
1972,31.8,34.4,33.6,32.2,31.2,29.5,28.7,28.5,29.1,30.3,31.4,30.6
1973,32.2,35.3,34.7,34.9,31.5,30.3,29,28.6,29.3,30.4,31,30.8
1974,31.5,34.4,34.1,33.8,31.8,30,27.9,27.7,28.6,30.1,30.7,31.1
1975,31.5,34.1,34.6,33.3,30.4,29.5,27.3,27.8,28.1,29.3,30.2,31.9
1976,31.9,34.1,33.5,32.7,31.1,29,27.9,27.5,29.1,28.8,28.5,30.8
1977,32.3,33.4,34.1,33.5,31.5,29.8,28.4,27.9,29.1,29.4,30.1,30.9
1978,33,33.8,34.3,32.8,30.7,29.3,27.7,27.9,29.1,29.6,29.9,31
1979,33.7,33.5,33.8,33.6,31.5,29.8,28.5,28.5,29.2,29.9,30.7,30.5
1980,33.4,33.6,34.5,33.4,31.2,29.8,28.4,28.3,29.4,30.3,29.9,30.3
1981,31.6,34.9,34.1,33.8,31.1,30.2,28.1,28.1,29.1,30.7,30.6,31.5
1982,30.9,33.8,34.1,33.4,31.5,30,28.5,27.8,29.7,29.9,30.8,29.9
1983,31.9,34.7,35.5,34.5,32.3,30,28.7,28.7,29.5,30.8,32.3,30.8
1984,31.5,33.4,34.9,32.5,31.3,29.7,28.7,28.8,29.6,30.1,31,30.5
1985,32.7,33.4,34.5,33.2,32,30.2,28,28,29,29.7,31.5,29.8
1986,31.1,34.8,34,33.2,32,29.9,28.2,27.7,29.3,29.7,29.9,30.1
1987,32.9,34.2,34.7,34.1,31.3,30.2,29.7,28.6,29.9,30.2,32.3,31.3
1988,30.8,33.5,33.9,34.4,32.5,30,28,28,29.1,30.5,31.4,30.2
1989,31.4,32.9,34.2,33.9,31.9,29.6,28.4,27.9,29.3,30.1,31.4,31.6
1990,30.4,33.6,34.7,33.3,31.5,30.3,28.3,28.4,29.4,30.2,32.1,31.8
1991,32.6,34.2,35.2,31.8,31.2,30.7,28.4,28,29.5,29.5,30.3,30.9
1992,31.9,33.9,34.6,33.7,31.3,29.6,28.2,28,28.7,30.4,29.7,31.3
1993,31.8,34.3,34.4,33.5,31.8,30.2,28.7,28.5,29.6,30.1,30.4,29.8
1994,31.2,33,33.9,33.1,31.3,29.9,28.5,28,29,29.4,29.8,30.4
1995,30.8,32.9,34.9,33.4,31.3,30.3,28.6,28.4,29.4,30.4,31,30.9
1996,33.1,34,33.6,33.6,32.1,30.3,29.1,27.6,29.4,29.8,31.2,31.8
1997,33,33.9,34.7,32.8,31.8,29.7,28.5,28.4,29.8,30.4,32,32
1998,32.5,36.1,36.4,34.3,32,30.5,29.1,28.2,29.5,30.7,31.7,31.2
1999,32.8,34.6,34.5,32.7,32,30.1,28.8,28.2,29.2,29.4,31.1,31.9
2000,33.1,33.5,35.1,34.1,31.7,29.8,28.5,28.5,29.3,29.8,30.6,30.8
2001,32.2,34.8,35.8,33.8,31.8,30.1,28.4,28.6,29.2,30.6,31.6,31.7
2002,32.5,34.3,32.1,32.8,32.9,30.3,29.2,28.4,29.7,30.1,31.2,32.1
2003,31.8,34.9,35.8,34.2,32.8,30,28.4,28.1,29.4,30.6,30.6,31.1
2004,32.5,34.4,35.1,34.4,32.4,29.3,28.6,28.5,29.6,31.2,31.5,32.8
2005,33.7,34.7,35.6,33.4,32,31.1,28.6,28.5,29.9,30.8,32.1,33.1
2006,33.1,34.7,35,33.6,31.6,30.5,29.1,28.6,29.7,30.3,32.1,32
2007,32.7,34.8,35.4,33.8,32.3,30.5,28.6,28,29,30.8,31.9,31.5
2008,32.3,34.7,36,33.3,32.2,29.8,28.3,27.7,29.3,29,31.8,31.8
2009,31.5,34.5,35.1,34,31.7,30.3,28.9,28.3,29.3,30.7,31,32.2
