1901,32.1,35.2,36.4,38,34.8,33.3,33.1,32.6,32.1,32,31.4,30.5
1902,30.7,34.5,36.3,37.2,35.4,33.6,32.9,32.3,31.8,31.7,31.1,31.1
1903,31.8,33.7,37.1,38.6,35.7,32.3,32.7,31.7,31.7,31.6,30,27.5
1904,29,32.7,35.7,36.7,35,33.1,32.6,32.5,32.5,32.2,30.2,28.9
1905,32.3,35.3,36.2,38.2,35.3,33.2,32.9,32.7,32.7,32.3,31.6,32.9
1906,33.2,35.6,36.5,38.9,36.4,33.7,33.3,32.6,33,31.8,30.5,30.4
1907,31.3,34.4,35.1,37.3,34.7,32.7,32.5,32.1,32.1,31.9,31.3,28.5
1908,31.2,34.1,36,38,35,33.1,32.6,32.1,32.2,31.9,29.8,29.8
1909,31.2,34.4,36.3,37.4,34.7,33,32.5,32.3,32.5,32.4,30.5,29.2
1910,32,33.4,35.2,37.4,35.2,32.6,32.6,32.4,31.8,31.6,30.9,28.8
1911,30.9,33.5,35.8,37.9,35.3,33.1,32.6,32.7,32.5,32.1,32.4,31.2
1912,31.7,34.4,36.5,37.9,36,33.5,32.3,31.7,31.9,31.3,29.7,29.8
1913,31.3,34.4,35.6,37.7,34.5,33,31.9,31.8,32,31.5,30,29.5
1914,30.5,34.5,36,38,35.7,32.8,32.3,31.5,31.8,31.1,31,30.7
1915,31.6,35.3,36.1,37.5,34.6,33.3,32.2,32.2,31.7,31.9,30.3,28
1916,29.8,34,36.6,37.5,35.3,32.9,32.9,32.3,32.2,31.3,29.9,29
1917,30.9,33.7,35.1,37.6,35.5,32.4,32.6,31.8,31.8,31.1,30.6,29
1918,30.6,32.7,35.3,36.4,34.4,32.9,33.2,32.2,32.7,32.1,31.7,31.5
1919,32.1,34.7,37.2,37.8,35.5,32.9,32.5,32.5,31.9,31.8,30.9,30.5
1920,30.2,34.1,36.2,37.4,35.4,33.1,32.8,32.5,32.4,31.4,31.3,30.5
1921,31.5,33.4,36.2,37.9,34.8,33.1,31.9,32.2,31.8,31.2,29.9,29.8
1922,32.5,34.8,35.6,37.4,35.7,33.1,32,32.1,32.3,31.7,30.1,29.4
1923,31.8,32.7,36.1,36.6,34.1,32.5,31.7,31.5,31.9,31.3,31.3,30.8
1924,32.2,34.2,36.9,37.1,35.4,32.8,31.7,31.9,31.8,30.9,31.4,28.4
1925,31.3,33.1,36.1,36,35.1,33.1,32.5,32.2,32.3,31,30.9,29
1926,32,34.1,35.6,38.1,36.2,33.4,32.6,32,32.5,31.7,30.9,30.6
1927,31.5,33.9,36.3,36.5,34.2,33,32.4,32,31.9,31.2,30.9,30.5
1928,33.4,34.3,36.2,37.2,35.1,32.3,32.3,32.1,31.9,31,30.3,30.7
1929,32.6,33.7,35.1,36.7,35,32.4,32.1,32,32.1,31.6,30.6,31.1
1930,31.7,33.7,35,37.1,34.7,33,32.1,31.6,32.3,31.5,31,31
1931,32,33.6,36.4,38.3,36.9,33.6,33.1,32.4,31.9,30.6,29.8,30.3
1932,30.2,34,35.8,37.8,36.5,33.6,32.6,32.8,32,31.6,31.6,29.1
1933,32.1,34.5,36.4,38,35.4,33.1,32.3,32.1,32.2,31.7,29.9,29.7
1934,31,33.5,35.8,37.4,36.3,33.4,32.2,31.9,32.2,31.4,31,27.9
1935,32.9,34.7,36.4,37.8,35.7,33.1,32.3,32.1,32.4,32.3,31.8,31.7
1936,31,33.2,35.6,38,35.7,32.8,32.1,32.1,32.1,30.7,32.1,33.1
1937,33,35.1,37.6,37.9,33.6,32.2,31.8,32.2,31.8,31.7,31.3,30.1
1938,30.4,33.7,36.1,36.5,33.6,31.4,31.1,31.8,31.2,30.7,30,30.4
1939,31.4,33.6,35.5,37.6,34.2,31.8,31.5,31.6,31.5,32,31.7,26.8
1940,30.4,34.1,36,38.3,35.3,32.9,32.4,32.2,32.6,32.6,32.1,31.4
1941,34.6,35.8,38,39,35.8,33.7,33.6,32.8,33.1,32.4,32.3,32.2
1942,31.6,36.2,36.7,37.3,34.6,32.8,32.1,31.9,32,32.4,31.2,30.2
1943,31.4,33.3,36.8,36.5,35.5,32.9,32.7,32.2,31.9,31.8,30.3,29.5
1944,32.2,35,36.9,38.7,35.2,33,32.5,32.4,32.2,32,31.1,30.1
1945,33,34.9,35.8,38.1,35.4,33.3,32.9,32.6,32.7,31.5,32.1,30.3
1946,31.1,32.2,36.5,36.2,33.8,33.7,33.7,32.8,32.8,31.6,31.8,32.7
1947,34.8,35.5,36.3,36,37,33.3,32.5,34,33.5,32.9,32,31.9
1948,31.9,35.7,36.9,36.2,35.1,34.3,33,33.6,32.7,31.7,30.7,32.3
1949,31.3,34.3,36.7,36.2,35.8,34.4,33.2,32.4,32.7,32.8,31.3,31.8
1950,32.5,35.3,36.6,36.7,34.9,32.5,32.8,33,32.4,31,32,29
1951,31,34.8,36.9,38.6,35.8,32.6,32.9,32.8,33.1,31.9,32.4,30.4
1952,32.9,35.9,35.3,37.7,36.6,33.4,32.4,31.8,31.9,31.6,32.2,30.2
1953,32.1,33.1,36.1,37.4,35.2,33.3,32.9,31.8,32.8,32.2,30.1,30
1954,32.9,34.3,35.3,38.2,35,33.4,33.3,32.4,31.7,31.6,31.6,29.6
1955,30.5,34.2,35.5,35.9,34.6,31.7,32.6,32,32.3,32.3,30.1,29.8
1956,31,33.9,36.1,36.2,33.4,32.8,32.2,31.5,31.7,31.8,30.2,28.7
1957,32.2,33.3,35,37.3,38.1,33.9,32.8,32.9,32.3,31.8,32.4,32
1958,32.1,33.7,36.8,38.1,36.7,33.4,32.6,32.8,31.9,32,31.1,30.4
1959,32.2,35.9,35.5,37.8,35.4,34.1,32.3,31.8,31.3,32.3,32.5,33.3
1960,32.8,34.7,37.6,39.4,35.8,33.6,32.6,32.1,32.1,31.3,31.7,29.8
1961,31.9,33.3,35.5,38,34.3,33,32.1,31.9,31.1,30.9,30.8,30.9
1962,29.9,33.8,36.3,38.3,34,33.3,32.2,32.1,31.2,31.2,31.8,30.8
1963,29.7,33.8,35.4,37.9,38.3,33.1,31.2,32.2,32.1,31.6,31.5,29.9
1964,32.9,34.3,36.8,38.3,34,32.9,32.4,32.5,32.2,31.7,29.4,28.7
1965,31.2,34.5,35.6,37.4,36.2,31.9,33.2,33.1,32,32,31.7,31.5
1966,32.7,34.8,37.1,39.2,34.8,32.9,32.8,32.3,32,32.2,31.6,31.5
1967,31.3,33.1,36,37,34.9,34.2,33.7,32.6,32,31.3,31.1,29.5
1968,31.3,33,36.5,36.2,34.5,33.1,32.9,32.5,32.7,32.3,33.2,33.2
1969,32.1,35,36.7,38.2,36.6,33.3,31.6,31.8,31.8,31.7,30,29.3
1970,31.7,33.6,37.1,37,35.2,32.7,31.7,31.2,31.6,30.9,30.4,29.7
1971,30.2,33,35.1,37.8,35.1,32.1,31.6,31.9,32.1,30.8,29.8,29.9
1972,30.9,34.6,35.3,36.6,37.1,34.1,33.2,32.4,32.8,32.6,31.2,30.4
1973,32.5,35.8,35.8,38.8,34.7,33.5,33.1,32,32,32,30.2,29.5
1974,31.5,33.6,35.1,36.2,34.6,32.8,32.7,32.1,32.4,32,30.2,29.5
1975,29.5,34.1,35.9,37.9,34,32.7,32.6,32.2,31.7,31.9,30.8,28.5
1976,31.2,34.1,35.8,37,33.3,34,33,31.2,32.3,32,29.1,30
1977,31.3,32.7,34.9,36.7,35.3,35.5,33.2,32.7,31.5,32.1,30.7,30.2
1978,32.4,32.8,37.5,38.5,35.7,34.2,32.4,32.4,32.2,32.2,32.4,31.9
1979,33.4,35.9,38,38.4,36,33.5,34.4,32.6,33.3,32.8,32.7,32.4
1980,32.7,35.3,37.3,39.1,36.1,32.3,33,32.1,31.6,31.3,31.9,30.3
1981,30.9,34.3,36.1,36.6,34.5,31.9,31.7,31.3,32.2,32.3,30.2,28.6
1982,30.7,35.1,36.7,36.2,35.8,32.5,32.2,31.4,31.6,32.1,32.3,29.1
1983,30.2,35.3,36.8,39.9,37.2,33.5,33.7,32.4,32.4,31.2,29,29
1984,30.6,34.2,36.5,37.4,35.3,31.5,32.1,31.8,32.1,30.9,31.7,31.6
1985,32.5,35.4,36.3,37.4,34.6,31.6,31.8,31.8,32,31.4,31.1,30.3
1986,31,35.1,35.3,37.3,33.5,33.1,32.3,32.5,33,32.2,31.3,30.7
1987,32.1,34.6,35.2,37.8,37.2,33.6,33.5,33,32.1,32.4,31.4,28
1988,32.4,35.3,37,36.5,33.6,32.8,32.4,31.9,32.5,31,29.1,29.9
1989,32.5,34.5,35,37.7,35.4,32.1,32.6,32.5,32.3,31.6,30.9,29.8
1990,32.4,34.5,34.8,36.7,34.7,32.5,32.3,33,32.3,31.6,31.2,30.7
1991,33.6,35.5,37.9,38.5,37.5,32.8,33.7,32.4,33.2,32.2,31.4,30.4
1992,30.6,34.3,36.4,39.1,38.3,34.6,32.9,32.7,32.7,30.1,30,30.2
1993,30.8,34,35.9,37.5,36.4,34.8,34.7,32.6,32.4,32.3,32.6,30.8
1994,33.2,35.8,34.4,37.4,34.4,32.3,31.4,31.5,32.5,32.1,31.2,31.7
1995,32.1,33.6,36.1,38.4,35.5,33.9,32.6,31.2,32.6,31.8,30.4,29.4
1996,32.5,32.1,36.1,35.5,34,32.5,32.2,32,31.6,31,31,29.6
1997,31.1,34.1,35.3,37.3,36.2,35.7,32.4,32.2,31.8,32.3,32.3,32.7
1998,33.5,35.7,37.5,38.5,36.8,35.1,32.8,33.1,32.8,32.7,31.1,30.9
1999,31.8,34.1,36.8,34.4,32.9,32,32.1,31.8,31.7,31.3,30.8,27.9
2000,32,33.2,35.3,35.3,33.7,32.4,32.1,32.7,31.7,32.6,31.3,31.7
2001,33.5,35,34.5,38.5,33.5,32.5,31.7,31.9,32,31.7,29.9,30.9
2002,30.6,34.2,34.9,37.3,34.2,33.6,32.1,31.6,31.1,32.2,30.7,30.6
2003,30.3,33.4,34.1,37.5,36.1,31.7,31.9,32,31.7,32.6,33,30.7
2004,32,32.6,35.9,38.4,34.2,31.9,31.7,32.1,31.8,32.2,32.9,30.6
2005,31.6,35.7,35.2,36.6,36.2,33.1,32.5,31.9,31.6,32.4,31.2,29.4
2006,32.2,34.2,36.4,37.1,33.4,33.3,31.6,31.5,32.1,32,32.9,31
2007,31.4,34,36.3,36.9,33.5,32.3,31.9,32.2,32.1,31.5,29.9,31.7
2008,32.1,32.5,35.6,36.1,32.9,32.2,32.1,32,32,32,30.2,29.2
2009,30,34.8,35,36.2,33.8,32,31.7,33.1,32.9,32.3,31.5,31
