1901,31.6,33.5,35.3,35.6,33.5,32.2,31.2,31,30.7,30.5,30.3,30.1
1902,31,33.5,35.7,35.7,33.9,32.8,31.5,31.2,30.6,30.7,30.7,31.2
1903,31.8,32.9,36.3,36.4,34,31.7,31.1,30.7,30.1,30.2,29.2,27.8
1904,29.5,32.4,34.8,34.9,33.4,32.1,31.1,31.3,31,30.9,29.8,29.1
1905,32.7,34,35.2,36,33.7,32.2,31.4,31.6,31,31,30.8,32.7
1906,32.8,34.8,35.6,36.7,34.6,32.8,31.7,31.7,31.4,30.5,29.6,30.4
1907,31.4,33.5,34.7,35.3,33.2,31.9,31.3,30.9,30.9,30.9,30.7,28.7
1908,31.4,33.1,34.7,35.3,33.4,32.1,31.3,31,30.9,30.8,29.5,30
1909,31.4,33.6,35.1,35.5,33.2,32.3,31.1,31.3,31.1,31,29.7,29.4
1910,32.1,32.7,34.5,35.2,33.7,32.1,31.4,31.3,30.3,30.4,30.2,28.7
1911,30.7,32.6,34.9,35.7,33.7,32.2,31.3,31.7,31.2,30.9,31.6,31.4
1912,31.7,33.5,36.4,35.9,35.2,33.1,31,30.6,30.6,30.3,28.9,29.8
1913,30.6,33.5,35.5,36.2,32.7,31.8,30.5,30.6,30.6,30.3,29.4,29.7
1914,30.2,33.5,35.4,36.2,34.8,32.1,30.9,30.7,30.4,30.1,30.4,30.7
1915,31.2,34.3,35.6,35.9,33.7,32.5,31.2,31.3,30.4,30.2,29.2,27.9
1916,29.7,32.7,35.7,35.6,33.5,31.6,31.2,30.9,30.2,29.9,28.5,28.6
1917,31,32.9,34.1,36.1,33.8,31.5,30.8,30.4,30.1,29.5,29.1,28.8
1918,29.9,31.4,34.2,34.6,33,32.1,31.7,31,31,30.7,30.9,31.1
1919,31.7,33.7,36.2,35.9,33.9,31.7,30.9,30.7,30.5,30.3,29.7,30.3
1920,29.5,33.3,35.4,35.5,34.1,32.1,30.9,31.4,30.7,29.9,30.5,30.4
1921,30.4,32.5,35.2,35.1,33.1,32,30.3,30.7,29.9,30.1,28.9,29.5
1922,31.5,33.6,34.2,35.6,33.9,32,30.3,30.8,31,30.1,29.2,29.1
1923,30.4,31.9,34.4,34.5,32.5,31.4,30.1,30.1,30.2,30,30.2,30.3
1924,31.4,33.2,35.2,35,33.6,31.9,30.1,30.7,30.8,30.1,30.7,28.1
1925,31.3,32.3,35,34.3,33.6,31.7,30.9,30.9,30.6,29.9,30,28.5
1926,31.2,33.4,34.9,36.3,34.6,32.5,31.1,30.5,30.6,30,29.9,30.1
1927,30.9,33.3,35.7,34.7,32.8,31.7,30.7,30.6,30.5,29.9,30.2,30
1928,33,32.8,35.9,35,33.6,31.8,31.1,31.1,30.4,29.4,29.6,30.9
1929,32.2,33.2,34.2,34.9,34.4,32.2,30.7,30.8,30.6,30.3,29.7,31.2
1930,30.4,33.1,34.1,35.7,33.8,32.4,30.7,30.9,30.7,30.4,30.6,30.7
1931,32.4,33.5,36.3,36.8,34.3,32.7,31.4,31,30.6,29.2,29.6,30
1932,30.4,33,34.3,35.8,34.4,32.7,30.9,31.5,30.3,30.3,30.5,29.4
1933,30.4,34.3,34.9,36,34.4,32.8,31,31.6,31,30.4,29.3,30.2
1934,30.1,32.2,34.5,34.9,34.1,32.7,30.9,31,30.9,29.6,30.6,29.3
1935,32.4,34.3,36.2,36.1,33.7,32.6,31.1,31.3,30.5,31,31.1,30.3
1936,30.8,33.4,34,36.3,34,32.4,31.3,30.8,30.9,29.6,30.6,31.9
1937,32.7,34.2,36.9,36.6,33.2,32.1,30.5,30.9,30.2,30,30,30.9
1938,32.7,34.1,35,35,32.5,31.2,30.2,31.1,30.2,30,30,30.1
1939,31.1,33.6,34.8,35.4,33,31.9,31.3,31.2,31,30.7,30.4,26.8
1940,30.9,33.3,35.6,36.2,33.9,32.5,31.1,30.3,31.2,32,31.7,31.7
1941,35.2,35.2,36.1,37.4,34.8,32.1,31.3,31.2,31.8,30.8,31.2,31.1
1942,31.1,34.1,35.9,36.1,33.5,32.2,31.2,31.1,30.8,30.1,30.5,30.2
1943,31.1,33.8,35.7,34.7,33.8,32.3,31.2,31.3,30.4,30.4,29.9,29.7
1944,32.3,34.2,35.7,36.4,33.8,32.3,31,31,31,30.6,30.1,28.9
1945,31.8,33.8,34.7,35.5,33.7,32.4,31.4,31.6,31,29.9,31.3,31.1
1946,31.4,32.4,35.5,35,33,32.2,30.9,30.8,30.7,30.8,30.8,31.7
1947,34.4,34.2,35.5,34.6,34.4,32.3,31,31.5,31.3,30.7,30.1,30.9
1948,31.9,35.1,35.7,35.3,34.3,32.3,31.4,31.2,31.1,30.9,29.9,30.9
1949,31.1,34,36.2,35.7,34.5,33.2,31.7,31.3,30.7,30.4,30.1,30.8
1950,32,33.2,36.6,35.7,33.7,31.4,30.6,31.4,30.1,29.9,29.8,28.5
1951,31.3,34,35.3,35.6,33.1,31.7,31.3,30.9,31.4,30.4,30.4,29.7
1952,31.5,34.4,35.1,35.2,34,32.3,31.2,30.6,30.6,29.6,30.2,28.6
1953,31.7,33.8,35.3,35.1,33.6,32,31.3,31.2,30.7,31.8,30.1,29.7
1954,33.4,34,35.1,36.1,33.7,32.9,32,31.6,29.8,30.9,30.4,29.9
1955,30.4,35,36.4,35.5,34,31.6,31.4,31.7,31.4,30.9,29,29.9
1956,30.8,34.1,35.8,35,32.8,32,31.4,30.7,30.8,30.8,29.5,29.1
1957,31.8,33.2,34.3,35.5,35.6,32.8,31.2,31.3,30.6,30.2,31.3,31.5
1958,32.5,33.5,37.1,37.2,35.2,32.5,30.9,31.5,30,29.5,29.3,29.7
1959,31.6,34.9,34,36,34.6,34.2,31.2,31,30.5,29.9,31.3,31.3
1960,32.1,33,35.5,36.2,33.9,31.7,31.6,31,30.9,30.4,30.7,29.5
1961,30.5,33.4,35.6,35.8,33.2,31.9,31,31.1,30.4,30.3,30.3,30.8
1962,30,32.9,35,35.2,33.8,32.2,31,31.3,30.4,31,30.7,30.2
1963,28.4,32.7,34.9,36.2,34.7,32.2,31.1,31,30.8,30.9,31.4,30.1
1964,32.2,33.4,35.7,36.1,32.3,32.2,32.2,30.6,30.5,30.4,28.5,28.7
1965,30.5,33.5,34.5,35.3,33.4,31.7,30.9,31.4,29.8,31.4,31.3,31.7
1966,33.2,34.2,35.5,35,32,32.4,30.9,30.6,30.3,31.5,30.5,30.9
1967,29.5,32.9,35.5,35.1,33.5,32.6,30.6,30.8,29.8,29.6,30.7,28.8
1968,31.1,32.6,35.1,34.7,33.4,32.1,31.4,30.5,30.3,30.5,31.4,31.9
1969,32.9,33.1,35.5,35.9,34.1,32.3,30.4,31.4,30.8,31.1,29.2,28.7
1970,31.1,32.9,35.5,34.6,33.3,32.3,30.8,30.2,30.1,29.5,29.7,30.1
1971,29.4,32.1,33.9,35.4,34.4,31,30.7,31.1,31.2,29.6,28.6,30
1972,29.8,32.5,33.9,33.4,34.4,31.9,30.3,30.1,30.4,31.3,30.6,30.5
1973,31.4,34.2,35.7,36.4,34.1,33,31.1,31.4,30.9,30.2,28.8,28.9
1974,30.5,31.8,33.7,34.6,33.5,32.1,31.7,30.8,31.8,30.3,30.2,29.9
1975,30.9,33.6,34.8,35.6,33.7,31.4,31.3,30.8,31.1,29.8,30,27.9
1976,30.5,33.3,34.6,35.5,33.5,32.4,31.2,31.2,30.4,30.5,29,30.4
1977,31.9,32.6,35.3,35.5,34.4,33.8,31.5,31.3,30.3,31.3,30.7,30.9
1978,32.9,33.6,35.9,35,33,32.4,30.8,30.1,29.6,29.7,30.6,31.1
1979,33.4,35.2,37.2,35.5,32.9,32.3,31,31,30.9,30.6,30.9,31.5
1980,33.1,34.4,36.5,35.9,34.1,32,31,31.1,30.1,30.2,30.4,30
1981,30.5,33.5,34.9,34.3,33.2,31.2,30.8,31.3,32.3,30.4,30,28.8
1982,31.3,33.8,35.6,34.1,33.7,31.6,30.8,30.4,29.8,31.2,31.7,29.1
1983,31.2,34.2,35.7,37.6,35.4,32.4,32.2,31.8,31.8,30.2,29.3,29.5
1984,30.5,33.6,34.9,35.8,33.2,31.3,31.2,30.4,30.2,30.1,30.4,30.6
1985,32.2,34.3,35.1,34.3,32.8,31.2,30.9,31.1,30.2,30.5,31.2,30.3
1986,31,34.2,35.3,35.4,32.8,32.6,30.9,31.3,31.2,30.8,30.5,30.7
1987,32.5,34.7,36.4,36.5,34.3,32.8,31.6,31.9,31,31.9,31.1,28.9
1988,33,34.1,35.4,35,33.4,32.1,32,31.4,31.9,29.1,29.7,30.1
1989,32.9,33.9,34.5,35.8,33.6,31.9,31.5,31.3,31.1,30.6,30.9,30.9
1990,32.7,34.3,33.9,36.3,33.3,32.1,31.4,31.8,31.1,30.2,30.6,31.2
1991,33.6,34.9,36.6,37.2,35.3,33,31.4,30.9,31,30.2,30.9,31.3
1992,30.9,33.5,36.6,37.8,35.3,33.1,31.6,31,31.4,29.9,30.4,31.5
1993,31.6,34,35.6,35.6,34.6,33.6,31.7,31.2,31.3,31.4,31.6,29.9
1994,32.8,34.8,34.4,36.5,34.4,32.1,31.2,31.3,31.2,31.2,32.1,32.5
1995,32.7,33.5,35.4,36.9,34.8,34,32.2,32.4,31.8,31.5,30.6,30.5
1996,32.7,33.1,36.2,34.8,33,32.8,31.7,32.2,30.7,30.9,30.4,29.7
1997,31.6,32.9,35.5,34.8,34.4,33.6,31.5,31.8,32,32.5,32.6,33.1
1998,34.4,34.9,37.3,36.8,35.4,33.7,32.6,32.2,31.5,32,31,30.3
1999,31.7,34.1,35.3,35.1,32.7,31.8,31,31.9,31.6,31.3,30,28.1
2000,32.3,33.1,35.3,34.9,33.5,31.7,31.3,31.9,31.6,30.5,30.7,31.7
2001,32.9,34.3,34.1,37,34.2,32.1,32,32.1,32,32.1,29.6,30.7
2002,32,34.9,35.1,35.8,33.3,32.9,32.1,31.1,31.1,31.5,32,32
2003,32.1,34.3,35.2,36.7,34.8,32.7,31.6,32,31.7,31.6,32.4,30.2
2004,32.8,32.2,35.8,36,34.6,31.8,31.4,31.3,31.6,31.5,31.9,31.5
2005,32.5,35.6,34.8,36,33.4,32.8,31.9,31.6,32,28.5,31.4,29.7
2006,32.6,34.5,34.9,35.9,33.9,32.8,31.4,31.4,31.8,31.4,32.1,31.5
2007,31.9,34.3,35.8,36.3,32.6,30.8,31.6,31.2,31.5,30.9,29.9,32
2008,32.2,32.6,35.1,36.3,33,32.3,32.3,31.8,31.3,32.2,30.2,30.1
2009,30.7,34.8,34.9,35.7,33.7,32.5,32.1,32.5,31.9,32.1,31.3,32.7
