1901,32.8,35.5,37,38.3,35.4,34.6,34.1,33.4,32.4,32.4,31.9,31.4
1902,31.3,34.9,36.9,37.7,36,35.1,34.1,33.2,32.2,32.2,31.6,32.2
1903,32.6,34.1,37.8,38.9,36.4,33.6,33.8,32.6,31.9,31.9,30.4,28.1
1904,29.6,33,36.3,37,35.7,34.4,33.8,33.4,32.8,32.6,30.7,29.8
1905,33.2,35.9,37,38.7,35.9,34.5,34.1,33.7,33,32.8,32.1,34.1
1906,34.1,36.2,37.3,39.4,37.2,35.1,34.4,33.6,33.4,32.2,30.9,31.3
1907,32,34.8,35.8,37.6,35.3,34.1,33.7,32.9,32.5,32.3,31.8,29.2
1908,31.9,34.4,36.5,38.1,35.7,34.4,33.8,33,32.5,32.3,30.2,30.7
1909,32,34.8,36.8,37.8,35.3,34.4,33.6,33.2,32.8,32.8,30.8,30
1910,32.7,33.7,35.8,37.7,35.8,34,33.8,33.2,32,32,31.4,29.5
1911,31.4,33.9,36.4,38.2,35.9,34.5,33.8,33.7,32.9,32.5,33,32.3
1912,32.4,34.8,37.4,38.2,36.9,35,33.5,32.5,32.2,31.8,30.1,30.6
1913,31.6,34.8,36.4,38.3,35,34.2,33,32.7,32.3,31.9,30.5,30.4
1914,31.1,34.9,36.7,38.5,36.6,34.2,33.4,32.4,32.2,31.6,31.5,31.6
1915,32.1,35.7,36.8,37.9,35.3,34.5,33.4,33.2,32,32.1,30.6,28.6
1916,30.3,34.1,37.3,37.9,35.9,34.1,33.9,33,32.3,31.6,30,29.5
1917,31.6,34.1,35.5,38.1,36.1,33.7,33.5,32.5,31.9,31.3,30.8,29.6
1918,31.2,32.9,35.8,36.9,35.1,34.3,34.4,33.1,32.9,32.4,32.2,32.3
1919,32.7,35,37.9,38.1,35.9,34,33.6,33.2,32.1,32,31.2,31.3
1920,30.4,34.5,36.9,37.7,36.2,34.4,33.7,33.3,32.6,31.6,31.8,31.3
1921,31.7,33.7,36.7,38,35.2,34.4,32.9,32.9,31.8,31.6,30.2,30.6
1922,32.7,35.1,35.9,37.8,36.3,34.4,33,32.9,32.8,31.9,30.4,30
1923,31.8,33.1,36.4,36.9,34.6,33.8,32.7,32.2,32.1,31.6,31.7,31.6
1924,32.5,34.6,37.2,37.4,35.8,34.1,32.7,32.8,32.1,31.2,32.1,29.1
1925,31.9,33.5,36.6,36.5,35.7,34.3,33.5,33,32.5,31.4,31.3,29.6
1926,32.4,34.6,36.2,38.4,36.7,34.8,33.7,32.7,32.7,31.8,31.2,31.4
1927,32,34.5,37,36.8,34.7,34.2,33.4,32.7,32.1,31.4,31.4,31
1928,33.8,34.4,36.8,37.3,35.6,33.7,33.3,32.9,32.1,31.3,30.7,31.3
1929,32.9,34,35.4,37,35.6,33.8,33,32.7,32.3,31.7,31,32
1930,32.5,34.1,35.5,36.9,35.4,34.3,33.2,32.5,32.7,31.9,31.4,31.5
1931,32.8,33.7,37.4,38.6,36.9,34.8,34,33,32.2,31,30.2,30.8
1932,30.7,34.6,36.3,38,36.8,35.1,33.7,33.8,32.6,31.9,32.1,29.9
1933,32.5,35,36.8,38.2,36.2,34.6,33.6,33.3,32.7,32.2,30.3,30.6
1934,31.5,33.8,36.3,37.8,36.8,35,33.5,33,32.7,31.9,31.7,29
1935,33.4,35.3,37.3,38.2,36.1,34.6,33.4,33.1,32.7,32.8,32.4,32.2
1936,31.6,34,36.2,38.4,36.5,34.3,33.5,33,32.5,31.2,32.1,33.7
1937,33.6,35.6,38.4,38,33.9,33.4,32.8,32.8,31.9,31.7,31.1,30.7
1938,31.4,34.2,36.4,37.1,34.5,32.4,32.2,32.5,31.3,31,30.5,30.8
1939,32.1,34.2,36.1,37.8,34.9,33,32.6,32.3,31.6,32,31.5,27.3
1940,31.8,35,38.1,40.3,37.4,34.9,34.2,33.4,33.4,32.7,33.6,33.4
1941,36.7,37.2,39.4,39.9,36.2,35.5,35.2,34,33.9,33,33.3,33.5
1942,32.2,36.2,37.4,37.8,35.2,34.2,33.3,32.9,32.2,32.2,31.4,31.1
1943,32.1,34.3,37.4,36.8,35.9,34.2,33.8,33.2,32,31.9,30.8,30.4
1944,33.1,35.6,37.6,39.1,35.8,34.5,33.5,33.1,32.7,32.3,31.4,30.5
1945,33.6,35.6,36.3,38.4,36,34.7,34,33.6,32.9,31.8,32.7,31.8
1946,33,33.5,36.8,36.3,34,34.6,34.5,33.6,33.2,32.2,31.9,33.2
1947,35.8,35.9,36.3,36.3,37.2,34.4,33.5,34.1,33.7,33.6,32.1,32.4
1948,32.2,35.8,37.4,36.9,35.5,35.5,34,34.5,33.2,32.1,30.9,32.8
1949,31,34.4,37.7,36.9,36.4,35.9,34.4,33.3,33.1,33.4,31.8,32.9
1950,33.3,35.5,38.4,37.9,35.9,33.9,34.7,34.9,33.3,32.3,32.5,30.4
1951,32.1,35.2,38,39.1,36.9,32.8,34,33.5,33.2,32.6,32.5,31.1
1952,33.4,36.6,36.5,38.4,37.4,35.8,34,32.8,32.6,31.6,32.1,30.5
1953,31.8,33.5,36.1,36.8,36,34.4,34.4,32.4,32.8,32.6,30.3,30.5
1954,34.1,34.7,36,38.9,35.2,33.7,34.3,33.1,31.6,32.1,32.1,30.4
1955,30.7,34.4,36.1,35.6,34.3,32.5,33.1,32.2,32,32.1,29.6,30.2
1956,31.6,34.9,37.3,35.9,33.6,33.1,32.6,31.9,31.6,31.4,30.1,28.3
1957,32.2,33.4,35.4,37,38.9,34.7,34,33.6,32.4,31.6,32,32.4
1958,32.8,34,37.9,37.9,38.6,35.4,34.1,33,32.6,32.5,31.6,31.5
1959,33.7,36.8,36,37.9,35.9,36.1,33,33,31.9,32.5,32.9,33.8
1960,33.1,34.9,38.8,39.5,37.3,34.7,33.3,33.2,32.9,31.8,32.4,31.3
1961,32.6,34,36.8,38.7,33.9,34.1,33.2,32.8,31.7,31.4,31.1,31.3
1962,30.7,34.4,37.3,39.3,35.2,34.9,33.4,33.2,31.9,32.2,32.5,31.9
1963,29.6,34.1,36.9,37.8,39.9,34.7,32.4,32.8,32.6,32.1,32,31.1
1964,33.8,34.8,37.3,38.7,34.3,34.3,33.7,33.1,32.4,32,29.6,29.4
1965,31.2,34.3,35.6,37.8,36.3,32.7,34.5,34.2,32.5,32.6,32.2,32.3
1966,33.1,34.8,38.2,38.4,35.2,34.3,33.9,33.4,32.2,32.4,31.5,32
1967,30.3,33.7,36.9,37.3,35.4,35.7,35.4,33.9,32.7,31.9,31.5,30.3
1968,32.3,33.7,36.4,36.6,35.5,34.2,34.1,33.7,33.3,32.6,33.9,34.5
1969,34.2,36,37.7,38.5,37.1,35,32.9,33.3,32.1,32.5,30.7,30.4
1970,32.7,35,37.9,36.5,35.3,33.5,33.1,32.2,32.1,31.3,30.9,31.2
1971,31.1,33.6,34.7,37.6,35.5,34.3,32.8,33.1,32.4,31.1,30.3,30.9
1972,31.1,35.6,36,36.2,38.2,34.8,34.7,33.4,32.6,33,31.7,31.7
1973,33.2,36.5,36.8,39.7,36.1,34.6,34.4,32.9,32.2,32.2,30.6,30.3
1974,31.9,34,35.8,37.2,34.8,33.9,33.6,32.7,32.8,32.4,30.9,30.5
1975,30,34.4,36.1,38.4,35.1,34.3,33.5,32.9,31.5,32.1,31,29
1976,32.5,34.3,36.4,38.1,33.6,34.9,34.2,32.1,32.4,32.9,30.3,31
1977,33.2,33.6,35.5,37.8,35.8,36.6,35.3,34.2,32.5,33.7,32.7,31.4
1978,33.5,33.3,38.5,38.8,36.4,34.7,32.6,32.6,31.7,32.3,32,32.1
1979,34.6,36.2,39,38.6,37,34.5,35.9,33.4,33,33.1,33.2,33.1
1980,34,35.7,38,39.8,37.9,33.6,34.1,32.8,32,31.6,32.1,31.2
1981,31.7,34.8,36.5,35.6,34.3,33,32.4,32.1,32.4,32.2,30.2,29.4
1982,31.5,35,36.7,36.4,36.2,34,33.5,32,31.6,32.2,32.6,29.3
1983,30.6,35.2,37.4,39.5,36.7,35.4,34.3,32.5,32.8,31.4,29.6,29.8
1984,30.9,34.5,36.5,37.7,35.7,34,32.8,32.6,32.4,31.5,32,31.5
1985,32.9,35.8,37.1,38.1,34.4,32.6,32,32.4,31.5,31.1,31.2,30.4
1986,30.9,34.9,36,37.4,33.7,34.4,33.5,32.9,32.8,32.5,31.6,31.4
1987,32.7,34.7,35.1,38,36.8,34.8,35.3,33.6,32.1,32.2,31.2,28.6
1988,33.1,35.3,37.7,36.5,33.4,33.4,33.1,32.3,32.9,31.2,29.6,30.5
1989,32.9,34.6,35.4,38.8,35.9,33.9,33.7,33.5,32.9,32.3,31.8,31.5
1990,33.8,35.5,36.2,38.5,35.4,34.3,33.9,33.9,32.9,32.1,31.8,31.9
1991,34.7,36,39.2,38.8,38.1,34.9,35.5,33.4,33.6,32.9,32,31.8
1992,31.6,35.2,38.3,40.6,38.8,34.9,34.2,33.2,33.4,31.1,30.9,31.8
1993,32.8,34.6,36.7,37.8,37.3,36.5,35.9,33.4,33,33.1,33.4,31.7
1994,34.6,37.3,35.8,38,35.1,33.6,33.1,32.9,33.3,32.5,32.1,33
1995,33.6,34.6,37.4,38.7,35.3,35.1,33.4,31.9,32.9,32.3,31,30.7
1996,33,32.9,36.7,36,34,33.4,33.4,32.9,31.8,32,31.4,30.1
1997,31.5,34.3,35.9,35.5,36.1,36.3,33.5,33.3,32.4,33.1,32.9,33.8
1998,34.3,36.5,38.2,38.6,36.9,34.8,33.6,33.3,32.8,32.8,31.8,31.1
1999,32.2,34.1,37.3,34.3,32.8,33.1,33.3,32.5,32.4,31.8,31.9,29
2000,33.4,33.9,36.5,35.6,34.4,33.5,33.5,33.5,32.6,33.4,32.2,32.9
2001,34.2,35.2,35.1,39.5,33.7,33.3,33.3,32.6,32.8,32.5,30.6,31.8
2002,31.7,34.7,36.3,37.9,34.5,33.9,33.7,32.7,31.5,32.9,31.8,31.9
2003,31.5,34.1,34.9,37.9,36.5,33.4,32.9,33,32.1,33.4,34,31.7
2004,32.8,32.6,37.1,39.2,35.5,33.5,33.3,33.1,32.7,33.1,34.2,32.1
2005,32.7,36,36,36.6,36.6,34.4,33.2,33.2,32.3,33.1,31.8,30.5
2006,33,34.4,36.8,37.3,33.8,33.6,33,32.7,32.4,32.7,33.8,32
2007,32.2,34.6,37,36.8,34,33.3,33.2,33.1,32.6,32,30.8,33
2008,32.2,32.5,35.9,35.8,33.2,33.2,32.9,32.6,32.1,32.4,30.5,29.8
2009,30.1,35.1,35.3,36.2,33.9,33.1,32.4,33.6,33,32.4,31.7,31.8
