1901,31.1,31.8,31.7,31.8,32.4,31.9,33.5,35.2,34.8,35.1,32.8,31.3
1902,31.2,30.9,30.8,32.1,33.1,33,32.7,32.6,34.5,34.3,32.9,32.1
1903,31.4,31.7,31.2,31.9,31.1,32,33,33.5,33.8,33.3,31.5,31.4
1904,30.3,30.5,30.7,31.9,30.8,30.9,32.7,33.5,32.8,33.2,32.2,31.4
1905,30.5,31.3,30.8,31.5,32.8,32.4,32.4,33.5,33,35.5,32.8,32.4
1906,30.4,31.1,30.8,32.1,32.8,30.1,32.4,34.5,33.1,33.9,33,32.3
1907,30.8,31.2,31.3,31.8,30.9,30.9,31.2,32.9,33.5,33.7,32.7,32.2
1908,31.4,31.5,31.5,32.1,31.8,31.1,32.8,31.7,33.9,32.3,32.1,32.3
1909,32,31.9,30.7,32.4,30.1,30.9,31.6,33.4,33.6,33.5,32.6,31.9
1910,31.3,31.4,30.4,32.6,30.6,32,33,34,33.8,33.8,32.1,31.8
1911,30.7,31.9,30.4,31.4,31.3,30.2,31.3,33.3,32.9,33.5,32.6,32
1912,31.1,31.1,31.1,32.3,32,29,27.5,31.4,30.5,31.1,31.6,29.4
1913,29.1,29.4,29,30.1,28.3,29,29,30.4,30.6,31,30.6,30
1914,29.8,29.6,31.4,29.7,28.2,29.8,30.3,29.8,30.9,30.9,30.9,29.7
1915,29.6,29.4,29.5,30.8,30.2,29.6,32,30.6,30.3,31.9,32.3,31.7
1916,31.1,31.1,30.8,29.9,28.3,29.4,31.5,34.4,31.7,31.2,29.9,30.9
1917,30.3,30,30.5,31.3,29.1,29.7,27.8,32.7,29.4,33.1,32.1,31.2
1918,31.1,29.7,29.9,30.9,31.2,30,30.3,33,33.2,33.4,31.9,31.4
1919,31.4,31.6,31,32.2,31.9,31.1,31.5,31.8,33.3,34,32,30.8
1920,30.6,30.4,30.3,31.7,30.6,29.8,29.6,32,33.1,33.3,31.5,30.7
1921,30.1,30.5,30.4,30.5,31.6,28.3,29.1,33.7,32.1,33.2,31,31.8
1922,30,30.2,29.8,31.3,30.1,29.6,30.2,33,32.9,31.6,31.2,30.5
1923,29.9,30.3,29.7,30.9,28.5,30.4,29.5,32.8,33.5,33,31.2,31.4
1924,30.6,30.6,30.9,31.2,29.7,31,30.7,31,32.6,32.4,32.4,31.4
1925,30.2,30.1,29.4,32,30.2,29.3,30.1,33.4,32.8,32.5,31.6,31.3
1926,30.7,31.5,31.1,31.4,29.9,31.4,30.1,32.8,34.2,33.4,31.9,30.9
1927,30,30.6,30.1,31.1,30.1,28.6,29.1,32.6,32.7,33.7,32.5,31.2
1928,30.9,30.7,30.3,32.2,30.5,30.4,29.6,31.2,32.4,32.9,32.2,30.9
1929,30.5,30.5,29.6,31.1,28.7,30.1,30.8,33.3,33.3,33.1,31.9,30.6
1930,30.4,30.2,30.4,31.9,31.1,31.6,30.4,34,33.2,33,31.5,31.2
1931,31.5,31.5,30.2,31.6,29,29.1,30.1,32.7,32.4,33.3,31.2,30.7
1932,30.1,30.6,30,31.9,30,30.9,31.6,32.2,33.5,33.1,32.2,30.7
1933,30.6,30.5,30.4,30.9,30.7,28.4,29,32.3,32.9,33,31.3,31.1
1934,29.6,29.7,29.9,30.6,30.4,31.1,30.7,32.8,32.2,31.9,31.4,30.9
1935,30.6,30.6,30.3,30.4,30.2,31,31.1,33,32.7,33.2,31.6,31.8
1936,30.5,30.7,30.5,31.7,32,31.6,31.2,32.8,34.3,35,32.2,31.3
1937,30.8,31.5,30.4,31,30.4,31.3,31.5,34.3,33.4,32.5,32.7,31.5
1938,30.6,31.3,29.9,30.6,30.8,30.7,31.9,32.5,32.4,31.6,32.3,30.9
1939,30.9,30.6,30.5,31.6,32,31.5,30.8,33.4,33.3,33.9,32.1,31.5
1940,30.9,31.2,30.8,31.7,32.1,31.2,33.2,33.5,33.5,33.7,31.5,31.9
1941,31,31,31,32.6,30.7,30.1,31.8,34,31.3,33.6,32.4,32.6
1942,31.8,30.9,30.5,32.1,30,29.2,29.4,33.9,34.2,32.7,32.1,31.5
1943,30.7,30.7,30,31.3,31.3,30.8,31.6,31.6,32.4,33.3,31.9,31.2
1944,31.3,31.4,30.5,31.3,31.5,31.6,31.5,35.1,34.6,34.4,32.1,32.6
1945,31,30.6,30.6,31.7,29.1,30.3,31.9,35.1,33.9,32.9,31.8,30.8
1946,30.6,31.2,30.6,31.6,30.8,30.9,30.9,33.2,33.7,33.6,32.9,31.2
1947,30.6,30.9,30.4,31.9,30.7,31.4,30.2,32.4,32.8,32.7,32.1,30.7
1948,30.7,30.7,30,31.5,31.1,31.7,32.5,33.4,33.7,33.2,31.6,31
1949,30.3,30.4,30.8,30,30.2,32.2,31.1,33.3,33.4,33.4,32.2,31.1
1950,30.5,30.6,29.5,30.9,31.2,30.9,31.8,33.1,33.8,33.2,31.5,30.8
1951,29.7,30.5,30.1,29.7,30.9,30.5,31.1,32.5,32.8,34.1,31.7,31.3
1952,30.7,30.8,30.3,30.5,30.9,29.2,31.8,33.6,32.3,33.1,31.4,30.8
1953,30,30.8,30.3,31.4,31.6,30.5,29.7,34.4,34.6,33.2,32.2,31.4
1954,30.6,30.6,30.2,31.9,30.8,31.1,30.5,32.7,34,33.2,32.2,31.1
1955,30.3,31,30.2,31.5,30.6,31.3,29.1,34,34,33.7,32.3,30.6
1956,29.9,30,30.5,30.9,29.6,28.8,31.2,32.2,33.1,32.9,31.4,30.9
1957,29.7,30.7,30.6,30.9,32.2,30.7,29.7,34.1,32.3,34.1,31.7,32
1958,30.8,31.4,31.1,30.8,30,31.9,32.4,31.7,33.3,32.6,31.6,30.9
1959,30.2,30.8,29.6,31.6,30.6,30.5,32.2,33.2,33.3,34.8,31.8,32.1
1960,31,31.2,30.9,31.8,29.1,30.4,31.3,33.1,33.8,33,31.4,31.8
1961,31.1,31.2,31.1,32.5,32,30.7,32.6,36.7,35.5,34.5,32.8,31.7
1962,31.2,31.6,31.4,32.1,31.5,30.8,30.4,34.3,34.8,33.5,34.4,31.6
1963,31,30.9,31.2,32.6,32,31.1,33,35.9,35.3,36.3,33.7,32.8
1964,32.6,32.7,31.5,33.2,31.2,31.1,31.6,35.9,33.9,32.7,32.1,31.4
1965,31,31.4,29.7,31.7,32.3,32.4,32.4,34.6,34.4,34.2,32.5,32.2
1966,31.8,31.1,31.4,32.4,31.7,32.5,33,33.1,33.4,34.3,33.3,32.7
1967,31.2,31,30.9,32.2,31.4,30.2,31.9,34.3,34.9,34.6,32.7,32.1
1968,31,30.5,30.5,30.2,29.2,30.8,31.6,33.2,31.4,33.8,33.6,31.3
1969,31.2,31.6,31.4,32.3,32,31,31.1,33.5,34.6,33.9,32.8,32
1970,31.6,31.7,31,32.3,31.1,30.5,30.5,33.5,33.9,33.3,33.4,31.8
1971,30.3,29.2,29.5,30,28.9,28.8,29.9,32.3,32.7,32,31.4,31.2
1972,30.3,30.5,30.6,30.5,31.3,31.4,30.4,31.8,32.5,33.4,32.1,31.6
1973,31.6,31.4,31.4,32.3,30.4,31.1,29,31.1,32.3,33.2,30.7,31.7
1974,29.7,30.3,29.7,31,30.5,30.9,30.5,33.4,32.3,32.5,32.3,30.5
1975,30.2,30.5,30.8,31.7,30.2,30,31.1,32.6,33.2,33.4,31.3,31.3
1976,30.8,30.5,29.4,31,30.3,28.8,30.4,33.7,31.8,33.5,31.7,31.7
1977,30.9,30.6,30.9,31,28.5,30.2,32,32.4,31.8,32,31.4,30.9
1978,30.4,31.2,30.7,31.9,30.7,30.2,32.1,31.3,32.6,33.2,32.2,30.8
1979,30.1,30.6,30.2,31.2,31,29.4,31.8,33.5,32.1,34.5,32.1,31.4
1980,30.8,30.7,30.3,31.7,30.9,30.2,30.8,33.1,31.7,33.7,31.5,31.2
1981,30.5,30.6,30.5,32.1,31.6,29.2,29.2,32.9,31,33.3,32.1,31.6
1982,30.4,30.8,30,31.2,30.8,30.6,31.5,32.6,31.8,33.2,31.8,31.4
1983,31,31.3,30.9,32.1,31.7,31.5,30.6,31.3,31.9,32.3,30.7,30.5
1984,30.2,30.5,29.9,30.8,31.3,29.9,31.5,31.7,31.9,33.6,31.5,30.9
1985,30.2,31.3,30.6,31.4,31.5,29.5,31,32.1,32.4,33.5,32.1,32.4
1986,30.9,30.6,30.2,32.2,31.3,30.5,30.8,32.6,30.7,32.6,32.8,31.5
1987,30.5,31.1,30.3,32.5,30.7,30.2,33,31.4,33.4,34.4,32.4,31.6
1988,30.9,31,30.8,31.5,30.3,29.5,29.6,33.2,33.7,35,33.1,31.5
1989,30.2,30.7,31,31.7,30.5,30.5,30.1,32.6,31.5,33.5,32.5,31.3
1990,30.7,30.7,31.2,32,30.3,30.3,29.3,32.9,31.2,34.1,32.2,31.7
1991,31,31.4,30.3,31.5,31.8,30.9,31,32.2,33,33.2,32.1,31.7
1992,31.1,30.6,29.3,30.6,31.8,32.1,29.5,31.8,31.6,32.8,31.6,31.6
1993,30.9,30.2,30.5,32.5,30.6,31,30.2,31.9,32.8,34,33,31.8
1994,31.2,31.2,30.8,32.2,31.8,30.3,31,32.8,33.4,34.4,33.2,30.9
1995,31,31.1,31.1,31.3,30.6,32,32.2,33.4,33.2,34,31.9,31.4
1996,31,31.3,30.6,31.5,30.6,28.9,31.2,32,32.5,33.5,31.6,32
1997,30.5,30.8,30.8,32.6,31.5,31.3,32,33.7,34.2,34.9,33.6,32.2
1998,32.4,32.2,31.7,32.7,30.6,30.8,32.9,34,32.5,33.8,32.6,31.9
1999,31.9,31.5,31.1,31.9,31.1,31.5,31.4,33.6,33.1,34.4,32.7,32.1
2000,31.7,31.2,30.4,32.2,31.5,31.5,30,34.1,32.9,34.3,32.4,31.9
2001,30.8,31.6,30.7,32.7,31.3,29.6,32.4,34.4,33.4,33.9,32.2,31.2
2002,31.2,31.4,30.6,32.7,31.8,30.3,32.1,34.3,33.4,35,33.8,32.5
2003,31.2,31.1,30.7,31.9,31.4,31.4,30.8,31.7,32.3,33.2,31.7,32.6
2004,31.5,31.5,31.7,32.7,30,31.1,31.6,33.3,33.1,34.3,32.5,32.1
2005,32,31.5,30.9,32.4,31.8,31.4,31.6,33.9,32.2,33.3,33.2,32.1
2006,31.4,31.4,31.3,31.9,29.8,31.7,32.9,34.8,32.7,33.6,33.3,31.7
2007,31.6,31.5,30.6,32.4,32.5,30.9,31.6,32.8,34.8,34.2,32.4,31.5
2008,30.5,31.1,30.5,30.4,29.9,29.9,32.7,34.2,32.6,34.6,31.8,31.6
2009,30.5,30.6,31.3,31.7,31.9,29.9,31.7,33.8,33.4,35.1,33.5,31.4
