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