1901,32.1,32.6,31.8,30.5,29.5,28.9,28,28.1,29,29.7,30.2,31
1902,32,32.5,31.7,30.2,29.2,29,28.4,28.5,29.3,29.8,30.2,31
1903,32.4,32.8,31.9,30.7,29.5,28.9,28.3,28.2,29,29.7,30,30.9
1904,31.9,32.6,31.8,30.6,29.5,29.1,28,28.1,29,29.7,30.2,31
1905,32.1,32.6,31.8,30.5,29.5,28.9,28.2,28.1,29,29.9,30.4,31.1
1906,32,32.8,31.8,30.5,29.7,29.2,28.2,28.3,29.1,29.7,30,30.6
1907,31.8,32.7,31.9,30.6,29.6,29.1,28.1,28.1,29,29.7,30.1,30.4
1908,32,32.4,32.1,30.8,30,29.1,28.1,28.1,29.3,30.3,29.9,30.6
1909,31.8,32.4,31.6,30.1,29.4,28.7,28.2,28.3,29,29.7,30,31
1910,31.9,32.7,31.4,30.5,29.6,29,28.1,28.2,28.9,29.6,30.1,30.9
1911,32.3,32.4,31.7,30.4,29.4,29,28.2,28.1,29,29.8,30.2,30.9
1912,31.8,32.4,31.4,30.1,29.4,29,28,28.1,29,29.5,30.1,30.7
1913,31.8,32.4,30.9,30.2,29.2,28.7,28.2,28.3,29.2,29.6,29.7,30.6
1914,32.4,32.6,31.8,30.2,29.3,29.1,28.1,28.1,29,29.7,30.3,31
1915,32.3,32.7,31.8,30.3,29.5,28.9,28.3,28.2,29.1,29.6,30.3,31
1916,31.5,32.7,31.7,30.4,29.4,28.8,27.9,28,28.9,29.1,30,30.7
1917,31.9,32.5,31.3,30.2,29.5,28.7,28.1,28.2,28.6,29,30,30.9
1918,31.7,32.1,31.1,30,29.4,28.8,28.5,28.1,29.4,29.7,30.3,31.2
1919,32.7,33,32,30.2,29.6,28.9,28.3,28.5,29.3,29.9,30.1,31.2
1920,31.8,31.9,31.3,30,29.2,28.8,28.1,28.1,29,29.5,29.9,30.7
1921,31.7,31.9,31,30.6,29.5,29.1,28.2,28,29,29.8,30.4,31.5
1922,32.5,32.6,31.8,30.4,29.3,29.1,28,28,28.8,29.5,30.4,31.1
1923,32.8,32.8,31.8,30.7,29.2,29.1,28,28.6,29.6,30.2,30.7,31.5
1924,32.3,33.3,32.1,30.3,29.4,28.7,28.5,28,29.3,30.1,30.7,31.2
1925,31.5,32.1,32,30.4,29.3,28.7,28.2,28.2,29.6,29.8,30.2,31.3
1926,32.4,32.7,31.6,30.3,29.7,28.9,28,28.6,29.4,29.8,30.4,31.6
1927,32.8,32.9,32.3,30.7,30.2,29.1,28.5,28.4,29.8,30.2,31.3,32.2
1928,33.4,32.9,32.5,30.5,29.5,29.1,28.3,28,29.6,29.8,30.5,31.7
1929,32.6,33.4,32.3,30.7,29.6,29.3,27.7,28.5,29.6,29.6,30.2,30.9
1930,31.7,33.1,31.5,30.2,29.5,28.8,28,28.6,29.8,30.3,30.6,31.1
1931,32.1,33,31.8,30.5,29.4,29.1,28,28,28.7,29.6,30.1,31
1932,31.9,32.7,31.7,30.3,29.3,29,27.8,28.1,28.9,29.8,30.4,30.9
1933,32.5,33.1,32.1,30.2,29.7,29.1,28.2,27.9,28.9,29.7,30.9,31.2
1934,32.5,32.5,32,30.4,29.5,28.6,27.8,28.2,29.5,29.9,30.8,30.8
1935,32.7,32.6,32,30.6,29.9,28.8,28.5,28.5,29.3,30,30.9,31.3
1936,32.1,32.7,32.2,30.9,29.6,28.8,28.2,28.6,29.5,29.8,31.4,31.1
1937,32.2,32.8,32.2,30.6,29.7,29,28,28.2,29.2,29.8,30.7,31.5
1938,32.1,32.8,31.8,30.4,29.5,28.9,28.3,28.4,29.2,29.7,30.4,31.1
1939,32.5,32.8,31.8,30.4,29.7,28.9,27.7,28.1,28.9,29.8,30.3,31.4
1940,32.7,33,31.9,30.2,30,29.3,28.1,28.3,29.8,30.5,31.2,31.9
1941,33.8,35.4,32.9,31.8,29.9,28.5,28.3,28,29.5,30.5,30.4,30.9
1942,33.7,34.2,32.3,30.3,30,29,27.4,27,29.1,30.1,31.4,31.7
1943,33.5,32.4,31.8,30.9,29.7,28.8,27.6,27.1,28.5,30,32.1,32.8
1944,33.6,33.4,31.1,30.9,29.8,30.2,27.7,27.4,27.5,29.7,32.2,31.7
1945,33.4,33,34.5,31.9,29,28.1,28.4,27.2,28.3,29.2,30.3,30.5
1946,33.4,34.1,33.2,30,29.2,27.9,27,26.3,27.8,28.7,29.4,31.2
1947,32.2,32.9,31.4,28.9,29,28.7,27.6,27.3,28.9,30,31.5,31.1
1948,32.3,33.3,31.1,30.8,29.9,28.7,27.9,27.6,28.1,28.9,29.8,30.1
1949,32.3,33.8,32.6,32.1,30,28.3,27.2,27.4,27.8,29.3,31.3,31
1950,32.9,31.7,32.2,30.2,29.1,28.4,26.6,26.6,27.2,27.7,31.2,32.1
1951,32.6,32.6,32.2,31.3,30,29.2,27.8,27.2,29.5,28.6,29.5,29.3
1952,33.7,33,31.7,29.5,28.4,28.7,27.9,27,28.7,29.2,30.9,33
1953,33.1,34.1,33,31.3,30.5,28.9,28,27.3,29.4,30.1,30.7,31.6
1954,33.6,33.6,33.1,29.6,28.6,28.1,27.1,26.7,27.8,29.3,30.2,30.7
1955,32.6,32.9,31,30.8,29.5,29,27.9,26.9,27.3,30.7,30.2,30.4
1956,31.4,32.8,31.2,29.1,28.8,28.1,27.4,27.1,28.2,28.4,30.1,31
1957,32,32.3,30.3,29.1,29.7,28.7,28.2,27.6,29.9,30.1,31,30.5
1958,33.3,32.4,32.7,31.7,30.5,28.5,26.8,27.3,28.1,29.2,32.2,31.3
1959,32.7,32.5,32.3,31.1,29.3,28.6,28,27.2,28.2,28.4,29.8,31
1960,32.2,32.3,31.2,28.9,29.2,29.2,27.7,27.8,27.9,28.7,30.2,32
1961,32.1,31.9,32.2,30.7,30.4,29.1,27.3,26.8,27.4,27.5,28.3,29.1
1962,30.3,33.3,30.6,29.5,28.5,28.6,27.7,27.2,27.5,28.7,30.4,30.5
1963,31,31.5,31,28.6,28.7,28.7,27.5,27.8,29.5,30.3,28.9,30.2
1964,32.3,32.3,32.2,29.8,29.6,28.4,27.1,27,27.6,28,30.7,29.7
1965,32,31.3,32.2,29.9,30.1,29.3,28.9,28.1,29.2,28.5,29.7,31
1966,33.2,31.8,30.6,29.4,30.3,29.8,27.8,28.2,28.5,29.4,30.5,31.7
1967,32.8,33.5,32.5,31.7,30,28.2,27,27.1,27.8,28,28.1,30.4
1968,31.9,32.1,31.2,30.1,29.5,28.4,27.8,27.2,29.2,29.3,30.6,30.2
1969,31.1,31.6,30.8,31.6,29.7,29.2,28.3,28.4,29.2,30.1,30.3,32
1970,31.8,33.5,31.2,30.3,29.4,29.3,27.8,28,29.2,30.1,31.2,31
1971,32.1,33.7,33.6,30.8,29.7,29,27.9,27.9,27.9,29.4,30,30.3
1972,31.3,30.7,31.8,30.3,29.8,28.2,28.5,27.8,29.8,29.5,29.1,30.8
1973,32.3,33.5,32.6,30.4,29,28.8,27.8,27.7,28.6,30.3,30.6,31.8
1974,32.5,33.3,31.8,29.6,28.2,28.8,27.1,28.1,28,30.1,31.3,31.3
1975,32.6,32.7,31.7,30.7,29.6,27.7,27.7,26.7,27.6,28.5,30.6,30.6
1976,32.7,31.9,31.3,30.1,28.4,28.7,27.6,27.7,29.2,30.4,29.7,31.7
1977,31.7,32.9,31.9,30,29.9,28.5,27.7,28.1,29.8,29.6,29.6,31.4
1978,32.4,33,29.7,30.9,29.6,28.8,27.8,28,28.5,29.3,30.4,30.8
1979,32.1,31.6,31.4,31,29.3,28.4,28.2,28.7,29.7,30.2,30.5,30.8
1980,32.7,33.5,32.1,31.2,28.3,28.1,27.8,27.4,29.3,30.2,29.4,30.6
1981,32.7,33.1,31.1,31.3,29.8,29.6,27.5,28.6,29.1,30.7,30.9,32.3
1982,32.7,32.5,33.1,31.1,29.3,28.8,28.2,28.2,30.1,28.8,29.4,31.3
1983,31.6,34,33.9,31.5,30.9,29.6,29.2,28.3,29.1,28.8,30.5,30.7
1984,31.1,33.5,33.2,30.4,30.1,29.5,28.1,28.7,30.1,31.3,30.2,31.7
1985,33.2,31.6,31.4,28.7,28.9,28.5,28.1,28.5,29.1,30.3,31,31.4
1986,32.9,32.5,31.1,30.5,30.1,28.4,27.8,30,29.4,30.3,30.8,30.6
1987,32.7,33.6,32.8,32.2,29.2,29.3,30.5,31.1,31.8,31,31.3,32.5
1988,33.2,34.5,33.5,31.6,30.5,30,28.4,28.6,29,30.1,30.8,31.2
1989,29.5,30.9,31.5,29.7,29.1,28.2,28.7,29.1,29.8,30.7,31.1,30.7
1990,31.7,32,31.7,31.5,30.8,31,29,28.6,29.4,30.1,30.8,31.3
1991,31.8,34.1,32.2,31.3,29.6,29.8,28.4,28.4,30,30.5,31.1,30.7
1992,32.9,33.4,32.3,30.9,29.2,28.9,27.8,27.7,29,30,30.2,31.2
1993,31.3,31.5,31.6,30.3,28.8,30,29.2,30.2,29.1,29,33.2,31.3
1994,31.1,32.9,31.5,30.6,30,29.1,28,28.1,29,30.2,30.1,30.9
1995,32.4,33.1,32.4,33.1,30,30,28.3,30.4,29.2,30.9,32.6,31.5
1996,33.2,33.4,31.8,30.8,29.6,29.7,28.6,28.9,30,30.7,30.4,31.3
1997,33,33,33.3,30.8,30.4,29.6,29,28.7,31.2,31.1,32.2,32.6
1998,33,33.6,32.8,31.1,29.6,29.5,28.7,27.7,29.4,29.3,31.2,32.1
1999,32.5,34.5,32.1,31.8,29.3,30.1,28.9,29.1,29.9,28.4,30.5,31.4
2000,33,33.5,32.9,32.2,32.1,30.3,28.6,30.6,29.9,30.4,33.1,31.7
2001,33.8,36,33.3,33.1,31.7,29.7,29.6,30.3,31.1,31.6,32.1,32.4
2002,33.6,35.1,33.7,33,32.1,31.2,31.2,31.1,32.3,30.5,31.7,33.1
2003,35.7,34.3,34.4,32.2,31.1,29.8,29.5,28.9,30.1,31.8,32.2,35
2004,35.2,35.5,33.5,29.8,30.8,30.4,30.1,30.6,29.9,30.7,30.7,31.2
2005,31.5,35.7,33.8,33.7,29.5,30.3,28.5,29.3,31,30.3,34.3,36
2006,33.7,35.3,32.7,32.6,28.2,29.4,30.2,29.9,29.1,32.1,32.8,31.6
2007,34,35.8,35.2,32.4,32,28.1,27.6,28.4,29.6,30.5,29.2,33.4
2008,34.4,36,33.7,32.1,30.8,29.7,29.7,29.9,30.4,29.1,32,30.9
2009,33.8,36,33.4,31.2,31.2,30,30.7,31.6,31.5,31.5,33.3,34.4
