1901,31.1,32.5,33.8,33.9,33.1,32.1,31.8,31.4,31,31.2,30.4,30.1
1902,29.3,32.1,32.8,33.7,32.8,32.3,31.7,31.1,30.9,30.9,30,30.6
1903,30.6,30.9,33.6,34.6,33.4,31,31.3,30.6,30.7,30.5,28.8,27.3
1904,28.1,29.9,32.4,33,32.7,31.6,31.3,31.2,31.4,31.2,29.2,28.8
1905,30.9,32.3,33.3,34.6,32.7,31.6,31.6,31.6,31.5,31.4,30.3,32.1
1906,31.7,32.6,33.3,35.2,34,32.1,31.8,31.5,31.8,30.9,29.3,29.9
1907,29.9,31.5,32.1,33.6,32.3,31.4,31.3,30.7,31.3,30.8,29.9,28.1
1908,29.8,31,32.5,33.8,32.6,31.5,31.3,30.7,31.2,31,28.8,29.5
1909,30,31.4,32.6,33.6,32.4,31.6,31.1,31,31.3,31.2,29,28.7
1910,30.5,30.5,31.9,33.5,32.6,31.3,31.5,31.1,30.7,30.7,29.6,28.4
1911,29.8,31.3,32.9,34,33.1,31.9,31.8,31.6,31.7,31.3,31.5,31
1912,30.7,32,33.8,34.5,33.9,32.1,31.4,30.9,31.3,31,29.3,29.9
1913,30.1,32,33.4,34.5,32.8,31.4,31.1,31.1,31.4,31.1,29.8,29.9
1914,29.8,31.9,33.2,34.4,34,31.7,31.3,30.9,31.6,31.3,30.8,30.7
1915,30.6,32.5,33.5,34.3,33.2,31.5,31.7,31.1,31.5,31,29.7,28.3
1916,29,31.2,33.4,34,32.9,31.5,31.4,31,31.3,30.9,29.1,28.9
1917,29.7,31.2,32.1,34.3,32.8,31.4,31.3,30.6,30.9,30.5,29.5,29
1918,29.2,29.8,32.4,33.3,32.3,31.5,31.9,31.2,31.7,31.1,30.8,30.5
1919,31,32.1,33.7,34.3,33.3,31.6,31.4,31.3,31.6,31.3,29.9,30.1
1920,29.3,31.3,33.4,34.1,33.3,31.9,31.5,31.2,31.4,30.7,30.5,29.6
1921,29.9,30.8,33.1,33.8,32.5,31.4,30.9,31,30.9,30.7,29.2,29.8
1922,30.5,31.6,32,33.5,32.9,31.5,30.9,30.8,31.6,30.9,29.5,29.2
1923,29.7,30.4,32.5,33.3,32.3,31.4,30.5,30.5,30.8,30.8,30.2,30.3
1924,30.6,31.3,33.1,33.6,32.8,31.6,30.8,31.1,30.7,30,30.3,28.4
1925,30,30.5,32.5,33.1,32.9,31.6,31.5,31,31.5,30.6,30,28.9
1926,30.2,31.6,32.9,34.7,33.9,32.2,31.6,30.9,31.3,30.7,30,29.9
1927,30,31.4,33.3,33.2,32.2,31.4,31.2,30.9,31.4,30.6,30,29.9
1928,31.1,31.3,32.8,33.2,32.7,31.4,31.3,30.9,31.2,30.5,29.8,30.3
1929,30.4,30.9,31.9,33.4,32.8,31.1,31.2,30.9,31.4,30.5,29.7,30.5
1930,30.9,31.3,32.2,33.3,33.3,31.6,31.4,31.4,31.7,31.3,30,30.1
1931,30.8,31.4,34.2,34.5,33.6,32,31.5,31.2,31.2,30.4,29.9,29.6
1932,29.5,31.7,33,33.8,33.6,31.9,31.4,31.6,31.3,31,30,29.4
1933,30.6,32.1,33.1,33.9,33.8,32.2,31.3,31.9,31.5,31,29.3,29.7
1934,29.6,30.4,32.6,33.8,33.5,32.1,31.7,31,31.6,31.1,30.2,28.7
1935,30.9,32.1,33.6,34.1,32.8,31.6,31.4,31.3,31.5,31.6,30.4,30.3
1936,29.8,31.3,33,34.1,33.5,31.7,31.5,30.9,31.6,30.7,30.1,31.4
1937,31.2,32.5,33.9,33.9,31.8,31.4,31,31.2,31,30.5,29.8,29.1
1938,30.1,31.4,32.1,33,32.8,31,30.9,30.7,30.5,31.2,29.4,30.6
1939,32.6,31,32.6,34.1,33.6,31,31.2,31.6,31.1,30.8,30,27.8
1940,28.7,31.7,32.5,34.9,33.4,32.3,31.7,30.7,32,31.5,30.7,30.5
1941,32.3,32.8,33.1,35.9,33.8,31.6,31.6,31.1,31.7,31.6,30.8,30.6
1942,30,32.1,33.3,33.4,32.5,31.4,31,30.8,31.1,30.3,29.9,29.6
1943,29.6,31.4,32.9,32.8,32.7,31.5,31.3,31.4,30.8,30.6,29.4,28.9
1944,30.8,31.9,33.1,34.3,32.9,31.7,30.9,30.7,31.2,30.8,29.7,28.6
1945,30.5,32,32,33.5,32.8,31.6,31.3,31.3,31.2,30.4,30.8,30.5
1946,31,31.7,34.1,33.8,32.9,32.1,32.2,31,31.8,31.9,31,31.6
1947,32.2,33,33.7,34.5,34.2,32.2,31.4,30.9,32.1,31.6,30.7,30.7
1948,30.5,32,33.5,33.8,33.2,31.7,31.6,31,31.6,31.3,29.4,29.9
1949,28.4,32.1,34.2,33.9,33.7,32.1,31.3,31.7,31.1,30.7,30.5,30.8
1950,31.5,32.4,34.1,34.1,33.2,31.6,31.2,31.7,30.1,31.3,30.7,29.2
1951,29.8,31.2,31.9,33.7,32.8,32.2,31.3,31,31.5,31,30.4,29
1952,30.2,31.7,32.1,33.1,33.3,31.1,31.6,30.1,31.2,30.7,28.7,28.3
1953,29.5,30.6,32.4,33.7,32.8,31.9,31.1,31.7,30.8,31.5,30.4,29.7
1954,31.5,31.7,33.4,35.1,33.3,32,31.7,30.7,29.6,30,30,28.8
1955,28.5,31,32.7,33.9,32.6,30.5,31.7,31.5,31.2,29.9,28.1,29
1956,29.8,31.6,32.8,33.6,32.7,31.4,30.9,31.1,30.9,29.7,28.8,28.8
1957,30.1,31.6,33.3,35.3,34,33.3,32.1,31.2,31.2,30.9,30.8,30.4
1958,31.2,32.4,33.4,34.6,35,31.4,31.4,30.9,31.2,30.4,29.3,29.2
1959,30.4,32.4,32.5,34,33.2,32.8,30.6,30.9,31.2,29.8,30.9,30.5
1960,30.8,30.9,33.1,34.7,33.5,31.7,31.8,31.5,30.9,31.1,30,29.9
1961,29.8,31.6,32.2,33.3,31.5,31.8,30.9,30.6,30.1,30.8,29.3,29.8
1962,29.1,30.3,31.8,34.4,33.3,31.9,30.5,29.8,30.6,30.6,31,29.6
1963,28.1,30.2,31.8,33.1,34.4,32.1,32.2,30.4,30.9,30.6,30.2,30.2
1964,31.2,31.3,32.5,33.6,32.3,32.2,32.2,30.3,31.6,31.5,28.8,28.9
1965,29.2,31.1,32.5,33.5,32.9,31.5,31.5,31.4,30.7,30.4,30.7,29.3
1966,30.9,31.8,33.3,34.4,32.4,32.4,30.9,31.2,30.8,30.4,29.5,29.5
1967,28.7,30.6,31.8,34,32.7,31.9,30.7,29.7,32,30.4,30.7,29.1
1968,30.2,30.8,31.9,32.6,32.9,31.9,31,30.6,31,31.3,30.5,30.9
1969,31,31.8,33,33.7,34,31.7,31.2,31.9,30.4,31.6,29.3,29.9
1970,30,31.7,33.2,33.1,33.6,31.3,30.6,30.7,31.1,30.8,29.2,28.8
1971,28.9,30.3,31.4,33.8,33.2,30.4,30.7,31,32,29.7,29.4,29.9
1972,30,32.4,32.4,32.6,34.3,31.6,30.9,31.5,32.2,31.7,29.8,30.1
1973,31.6,32.5,32.9,35,33.5,31.6,30.5,30.9,31.1,30.4,29.3,28.4
1974,29.8,30.9,31.8,33.2,32.3,31.6,31.4,31,31.2,30.8,29.5,28.8
1975,28.6,30.6,32.9,33.2,32.6,29.2,31.8,30.5,31.1,30.2,28.9,27.8
1976,29.7,30.5,32.3,33.9,31.3,31.6,31.1,31.4,31.2,31.4,28.5,29.7
1977,29.7,29.8,30.8,33.3,33.4,32.9,31.7,30.9,31,31.4,29.2,29.2
1978,30.5,31,32.8,33.5,32,31.4,30.9,30.2,30.4,30.7,30.3,29.9
1979,31.2,32.5,34.5,34.2,33.1,31.9,30.5,31.1,31.5,31.3,30.4,30.1
1980,31.5,31.9,34,34.2,33.7,31.5,31.2,30.5,31.1,31,29.9,29
1981,29.7,31.1,32.7,32.6,31.3,30.8,31,30.4,30.6,31,28.7,28.3
1982,29.9,31.4,32.6,31.7,32.3,31.2,29.9,29.8,30.6,30.9,30.3,29.4
1983,29.6,31.7,33.7,35.1,33.4,30.9,31,30.3,30.9,30.3,28.9,29.1
1984,29.2,30.4,32.5,33.3,32.3,30.1,31,30.5,30.5,30.3,30.5,30
1985,30.3,32,32.2,33.2,31.6,30.3,31,30.9,30,30.2,29.8,29.4
1986,29.1,31.8,32.6,34.1,31.4,30.5,30.4,30,30.3,30.3,30.1,29.4
1987,30.4,31.5,32.9,34.8,32.7,31.6,33,31.2,31.4,31.9,30.3,29.1
1988,30.7,31.9,33.4,33.2,31.8,31.4,30.5,31.4,30.4,30.2,28,29.2
1989,30.3,30.8,32.1,33.3,31.2,30.7,31.1,30.1,30.9,30.4,29.5,30
1990,31,32,33.4,34.4,32.3,31.6,31.6,31,30.6,30.4,30.2,29.8
1991,31.8,32.7,33.2,33.8,33.8,32.9,31.2,31.3,30.7,31.3,30.8,30.5
1992,30.2,32,34.1,35.5,34.7,32.2,31.9,31.1,31.9,30.6,29.6,30.3
1993,29.7,31.7,32.7,33.7,34,32.9,30.7,32,31.2,31.2,30.8,29.6
1994,31.5,32.9,32.2,34.5,32.9,31.1,31.2,30.7,30.4,31.9,30.6,31.6
1995,31.1,31.7,33.5,34.9,34.4,33.1,31.7,30.8,30.9,30.7,29.7,30.1
1996,31.6,31.4,33.9,33,32.4,33.2,31.7,31.9,30.7,30.3,30.7,28.9
1997,30.5,32.4,34.1,33.6,33.3,32.3,31.1,30.3,31.7,31.4,30.6,31.1
1998,32.2,33,34.6,35.1,34.3,33.1,32.6,32,30.8,31,29.6,29.4
1999,29.8,30.1,33.6,32.5,32.8,31.3,30.5,31.4,31.8,29.9,30.5,27.1
2000,30.3,31.8,32.7,31.9,31.6,31,32.2,31.7,31.3,31.4,30.2,30.3
2001,30.8,32.6,32.4,34.1,32.3,30.6,30.9,31.1,31.5,30.9,29.6,29.9
2002,30.6,31.9,33.1,33.6,32.7,32.8,31.8,30.6,30.8,32.4,30.3,30.3
2003,30.8,32.5,33.2,33.6,33.3,32.5,30.9,32.3,31.4,30.8,31.4,29.7
2004,31.7,31.7,33.7,35.3,32.8,32.3,31.8,30.7,32.4,31.5,30.3,30.9
2005,31.1,33.5,33.4,35.3,34.2,32.1,31.7,32.4,31.8,30.5,30.1,28.8
2006,31.3,31.3,33.4,34.2,33,32.8,31.1,30.7,31.6,31.7,32.4,30.6
2007,31,31.9,34.1,33.8,32.3,30.5,30.4,31.4,31.1,29.6,29.6,30.8
2008,30.9,30.8,32.1,32.9,31.1,30.8,31.1,32.1,31,31.2,29.3,29.6
2009,29.1,32,32.4,32.6,31.7,31.9,30.9,31.7,30.4,31.1,30.8,30.6
