1901,32.7,36.5,36.7,36.7,34.5,32.4,30.3,29.8,30.9,33.9,35.5,34
1902,33.1,36,37.4,38,35.5,31.5,30.3,29.8,30.8,33,35.5,34.9
1903,34.6,36.9,38.1,37.5,35.3,32.3,30.3,29.8,31,34.1,35.5,34.6
1904,34.7,36.8,38.1,37.4,35.3,32.2,30.3,29.6,30.7,33.9,35.3,34.7
1905,33,33.8,36,36.3,35.3,31.7,30.4,29.3,31.1,33.7,36.8,35
1906,34.7,35.8,38.2,39.7,36.1,33.2,30.4,29.5,32.9,34.9,37.1,36
1907,35.3,36.5,38.9,37.3,36.5,32.5,31,29.9,31.8,35.6,37.1,34.8
1908,34.7,36.7,38.9,37.9,36.7,34.3,31.6,29.5,31.4,33.7,36,36.1
1909,35.8,39,40.5,38.4,35.1,31,29.4,28,30.9,32.7,36,36.4
1910,35.2,38.1,38.9,38.6,36.2,34.6,31.3,30.2,32.1,34.9,35.5,34.9
1911,34.8,37.4,38.9,37.7,35,31.4,30.2,29.3,30.6,33.5,37.2,35.3
1912,35.4,36.3,37.4,39.4,35.7,32.8,31.8,31,32.3,34.5,35.8,34.9
1913,34.8,37.2,36.9,38,36.7,35.2,32.6,32.2,33.2,33.6,34.2,34.1
1914,37.3,36.8,38.7,37.1,36.9,34.6,32.3,30.1,32,35.3,38.5,36.2
1915,33.3,35.9,38.5,36.7,35.2,31.6,30.4,29.7,30.3,33,34.8,33.9
1916,33.5,35.6,37.8,36.4,34.5,31.7,30.3,29,29.9,32.8,34,35.1
1917,34.5,36.9,36.8,36.5,34.4,31.8,30.3,29.8,30.1,33,33.8,34.7
1918,34.4,34.4,36.2,36.7,34.3,32.4,30.3,28.8,30,33.4,34.8,34.9
1919,34.6,36.9,38.3,37.4,35.3,32.6,30.5,29.8,31,34.1,35.2,34.9
1920,34.8,37,38.3,37.4,35.3,32.4,30.4,29.8,30.9,33.9,35.6,34.8
1921,34.2,36.9,38.2,37.6,35.4,32.6,30.4,29.8,31,33.9,35.5,35.2
1922,34.7,36.8,37.9,37.4,35.2,32.3,30.2,28.8,29.7,33.4,35.1,34.6
1923,34.8,35.9,37,35.4,34.3,32.2,29.1,29.1,30.6,33.9,34.9,35.6
1924,33.4,36.5,38.1,37.1,35.1,32.5,29.6,29.1,29.9,33.1,34.7,34.8
1925,32.7,35.9,37.9,37.3,34.1,30.9,29.6,28.9,30.1,33.4,34.6,33.7
1926,34.1,36.6,37.8,36.7,34.6,31.7,29.6,30.2,31.9,34,35.2,35.4
1927,34.1,36.6,36.4,36.8,34.7,31.9,29.5,28.7,29.9,32.8,35.5,35.4
1928,34.1,35.8,36.9,35.6,34.1,32.1,30.2,28.6,30.5,33,35,34.3
1929,34.7,35.5,36.4,35.2,34.4,32.4,31.3,29.5,31,32.5,33.6,32.7
1930,35.8,39.3,38,36.9,34.6,32.3,30.8,29.9,31.7,32.4,37.4,37.2
1931,35.2,36.7,37.6,38.5,36.3,32.4,31.9,30.8,30.2,33.8,36,36.4
1932,36.3,38.5,38.2,38.7,35.8,32.5,30.3,30.7,31.2,34.9,37.9,37.2
1933,37.4,38.8,40.2,39,34.9,33.1,31.2,30,32.1,33.3,38.1,37
1934,37.4,37.5,38.1,37.2,35.2,33,30.7,29.5,30.9,34.5,37.5,36.7
1935,37.5,39.9,40.6,38.8,35.2,32.3,30.7,29.7,30.9,34.1,35.3,36.2
1936,33.9,36,39.5,37.2,34.6,31.7,29.9,29.2,30.7,34.4,36.5,35.3
1937,35.6,37.7,39.7,38.8,37,33.8,31.5,29.8,31.7,35.5,37.4,37.2
1938,35.9,38.8,37.8,38.7,37.2,34.1,31.2,30.1,31.9,35.2,37.6,35.1
1939,36,37.3,39.2,36.7,35.9,33.3,31.5,30,30.9,34,36.4,36.1
1940,34.5,36.9,38.4,37.6,35.5,32.5,30.3,29.8,30.9,33.9,35.5,35.1
1941,35.8,36.5,39.5,38.2,36.8,32.8,31.1,30.5,32,35.7,37.3,36.1
1942,34.6,37.9,38.6,38.1,35.6,33.6,30.9,29.5,32.1,34.6,36.8,35.5
1943,34.4,37.2,37.9,37.3,34.6,32.1,30.4,29.6,30.8,34,36.6,36.3
1944,34.1,36.3,38,37.1,36.9,32.7,31.2,29.8,31.5,34.7,36.2,36
1945,35.2,36.1,37.4,37.4,35.8,32.8,30.6,29.5,31.3,33.7,35.7,34.4
1946,35.1,36.3,38.7,37.8,35.6,31.7,30,29.2,30.4,32,36,34.5
1947,34.2,39,37.4,37.6,36.5,32.8,30.6,29.8,30.9,34.3,35.5,35.2
1948,34.2,37.3,37.4,36.5,34.8,31,29.9,29.5,31.1,34.6,35.5,34.8
1949,35.3,36.2,38.8,37.6,36.1,33.2,30.4,29.6,31.2,35.5,36.9,35.3
1950,35.4,35.9,37.6,37.2,36.4,32.7,29.9,29.1,30.7,33.4,35.1,35.3
1951,36.6,38.5,38.3,38.8,35.4,33.8,30.6,30.6,31.3,33.6,36,35.8
1952,36.5,37.6,39.7,38.9,35.8,32.8,31.1,29.5,30.7,34.3,36.3,36.7
1953,37.5,37.8,38.7,38.5,34.3,31.6,30.1,29.8,31.5,34.4,36.4,35.8
1954,36.7,38,39.1,36.9,35,31.9,29.5,28.7,31.7,34.2,36.4,37.2
1955,36.4,38.1,38.8,37.2,36.1,32.6,29.8,29.5,30.2,33.2,36.6,35.4
1956,35,37.3,37.3,36.9,35.8,31.6,29.4,28.8,30.6,34.3,36.6,34.5
1957,34.3,36.6,38.4,37.3,34.5,32.1,30.4,29.4,30.7,33.1,36.1,36.2
1958,36.6,36.8,39.4,37,35.6,30.9,29.7,29.8,30.5,34.3,35.6,36
1959,35.1,37.4,38.6,38.1,35.2,32.7,30.2,28.7,30.6,34.4,36.2,35.1
1960,35,37.3,37.6,36.9,35.3,31.7,29.8,30.1,30.4,34,35.6,34.5
1961,34.6,36.1,37.8,36.7,35.6,31.4,29.1,29.3,30.5,35,36.7,35.8
1962,34.8,37.1,38.4,36.9,34.9,31.2,29.6,29.1,30.5,33.1,34.4,35.3
1963,36.2,37.5,37.1,36.1,33.9,32.2,30.4,29.6,31.5,33,34.8,36.3
1964,34.7,37.4,38.5,37.1,35.2,31.8,29.9,28.7,30.2,33.7,34.9,35
1965,34.6,36.7,38.5,37.1,34.7,31.5,30.5,29.7,31.1,34.1,35.9,35
1966,35.8,36.6,38.6,37.7,35.3,32.2,31.3,30.1,30.5,33.6,35.7,35.8
1967,34.6,37.6,37.7,36.6,35.7,32.2,30.3,29,30.3,34.1,35.8,34.5
1968,34.7,37.1,38.1,35.6,34.8,31.1,30.5,31,31.2,34.6,35.3,36.4
1969,35.6,38.7,39.3,37,36.3,33.1,30.3,29.5,30.7,32.9,34.7,36.8
1970,36.1,37.2,38.6,38.5,35.5,34.2,30.3,29.8,30.5,34.5,36.1,35.3
1971,33.2,36.2,37.9,36.6,34.3,32.1,29.5,28.2,30,33.9,35.6,33.3
1972,34.4,36.6,37.7,36.1,34.2,31.8,30.6,29.5,31.1,32.9,34.7,33.8
1973,33.9,37.4,37.5,37.8,36.1,33.3,31.2,29.7,30.4,33.3,35.1,34.9
1974,31.8,36.3,38.2,37.1,34.7,32.5,29.4,29,29.8,33.1,34.8,34.1
1975,32.7,36.4,37.6,36.8,34.4,32.8,29.2,29.2,29.6,33.1,35.1,34.6
1976,33.9,36,38,37,33.6,30.4,29.5,29,30.7,31,33.4,34.9
1977,34.8,35.9,37.2,38,35,32.4,30.5,29.1,30.6,33.2,36.1,33.8
1978,35,38,36.4,34.8,33.9,32,29,29.5,30.4,33.1,34.1,35
1979,35.3,36.8,37.9,37.5,34.3,31,29.9,30.1,30.4,33.4,34.6,33.4
1980,35.5,36.6,38.6,38.5,35.2,31.8,30.1,29.2,31.2,32.9,34.2,32.4
1981,34.3,38,39,38.2,34.3,33.4,30,30.1,31.4,35,35.7,37
1982,34.3,36.1,37.7,37.4,34.9,32.9,31.3,30.1,32.1,33.3,35.1,35.2
1983,31.2,37.6,38.8,39.8,36.3,32.1,31.1,30.8,31.5,36,37,35.8
1984,34.5,36.2,38.2,36.8,35.6,33.2,32,32,31.3,34,36.5,34.2
1985,35.8,36,38.3,37.2,36.1,32.9,30.3,30.3,30.7,35.4,37.1,33.5
1986,34.6,38,38.2,37.9,36.4,33.1,30,30.4,30.6,34.3,34.4,33.4
1987,35.8,37.8,38.6,39.8,38,33.1,32.1,31.2,32,34.5,37,35.3
1988,34,37.5,39.5,37.3,36.9,32.3,30.1,29.6,31.2,35.9,36.8,34.1
1989,33.6,35.4,38,38.9,37,32.5,30.2,30.2,31.5,34,36.8,34.9
1990,35,36.6,39.4,38.6,36,33.6,30.2,31.1,32.3,35.4,37.4,35.4
1991,34.7,37.6,37.5,36.7,32.9,32.2,29.5,29.1,31.7,32.8,35,34
1992,31.6,35.8,37.8,37.6,34.4,32.2,30.4,29.6,30.7,33.9,34.6,35.8
1993,33,36.9,37.6,38.1,36,32.3,30.5,30.1,31.3,34,36.5,34.8
1994,33.2,36.2,38,37.1,34.3,32.2,30.2,29,30.4,32.4,34.9,33.8
1995,34,36.2,38.5,37.7,35.5,33.4,30.7,29.7,31.4,34,35.8,35.6
1996,36,37.4,38.8,37.3,35.9,32.3,31.1,29.7,30.5,33.3,35.1,36
1997,35.7,35.6,36.6,36.6,33.9,31.9,30.3,30.5,32.2,34.6,36.1,35.8
1998,35.1,38.2,39,38.9,35.7,32.5,30.8,29.6,30.5,33.6,36.3,35.6
1999,35.3,36.2,39.7,37.7,35.9,34,30.4,29.2,30,33.3,35.9,35.1
2000,36.2,34.5,38.7,38.8,36.3,32.5,30.6,29.7,31.4,33.9,36.4,35.1
2001,34.7,35.9,39.8,38.2,35.6,32.2,30.4,29.6,30.8,34.7,36.5,36.4
2002,33.4,36.8,39.6,37.9,36.6,33.5,31.5,30.1,31.8,33.1,36.1,36.4
2003,35.3,38.4,38.5,36.8,36.2,31.8,30.6,30,31.2,34.5,35.9,35
2004,34.4,36.7,37.8,37.5,34.2,32.1,30.1,30.4,31.9,35.6,35.9,36.2
2005,33.9,37.9,39.4,38.5,34.7,31.9,30.5,29.9,31.5,34.4,36.8,36.7
2006,34.5,38.2,39.4,39.1,35.1,34,31.5,30,30.7,33.8,35.2,34.7
2007,34,37.9,39.3,36.8,35.1,32.8,30.8,29.6,31.2,34.4,35.5,35.1
2008,32.5,36.7,39.2,38.2,35.5,32.5,30.1,29.8,31.2,34.2,36.3,36.3
2009,34.7,38.2,39.2,37.6,36.1,32.9,30.9,30.7,31.4,33.7,34.4,36.2
