1901,29.4,30.9,31.6,32.5,31.7,31.5,31.5,31.2,30.5,30.2,29.6,29.1
1902,27.8,30.5,31.2,32.2,32.1,32.2,31.5,31,30.4,30.1,29.3,30
1903,29.4,29.4,32.3,33.2,32.7,30.6,31.1,30.4,30.1,29.6,27.9,25.8
1904,26.3,28.2,30.8,31.4,31.9,31.3,31.1,31.2,31,30.4,28.4,27.7
1905,29.7,31.1,31.8,33.3,31.9,31.3,31.4,31.6,31.1,30.6,29.7,31.8
1906,30.7,31.5,31.8,34,33.4,31.9,31.7,31.5,31.4,30,28.4,29
1907,28.5,30.1,30.4,32.1,31.4,31.1,31.1,30.6,30.8,29.9,29.2,26.9
1908,28.4,29.5,30.8,32.3,31.7,31.2,31.1,30.6,30.7,30.1,27.8,28.5
1909,28.6,30,31,32.1,31.6,31.3,30.9,31,30.8,30.4,28.1,27.6
1910,29.3,28.9,30.2,31.9,31.8,31,31.3,31,30.1,29.8,28.9,27.2
1911,28,29.4,31.1,32.5,32.2,31.4,31.4,31.5,31.1,30.4,30.8,30.2
1912,29.1,30.2,32.3,32.8,33.3,31.9,31,30.5,30.6,29.8,27.9,28.6
1913,28.1,30.2,31.5,33.1,31.4,30.9,30.5,30.7,30.7,29.9,28.5,28.5
1914,27.8,30.3,31.3,32.9,33.2,31.2,30.8,30.5,30.7,29.9,29.6,29.5
1915,28.7,31,31.6,32.6,32,31.2,31.1,31,30.5,29.7,28.3,26.5
1916,27,29.3,31.7,32.3,32,30.9,31.1,30.6,30.4,29.5,27.6,27.3
1917,28.2,29.5,30.1,32.8,32.1,30.7,30.8,30.2,30.1,29.1,28.2,27.5
1918,27.8,28,30.4,31.5,31.2,31.2,31.7,30.9,31,30.1,30,29.8
1919,29.4,30.4,32.1,32.5,32.1,30.9,31,30.9,30.7,30,28.7,29
1920,27.1,29.7,31.4,32.3,32.5,31.3,31,31.1,30.7,29.4,29.5,28.7
1921,27.9,29,31.1,32,31.3,31,30.2,30.6,30,29.6,27.9,28.4
1922,28.9,30.1,30,32,32.2,31.1,30.3,30.5,31,29.7,28.1,27.8
1923,27.8,28.4,30.6,31.3,31,30.8,29.9,30,30.1,29.5,29.2,29.2
1924,28.9,29.6,31.2,31.7,31.8,31,30.1,30.7,30.1,28.9,29.7,26.8
1925,28.5,28.7,30.9,31,31.9,31,30.9,30.7,30.8,29.5,29.1,27.4
1926,28.6,30,30.9,32.9,32.9,31.7,31.1,30.4,30.6,29.5,28.9,28.9
1927,28.3,29.8,31.6,31.3,31,30.9,30.7,30.5,30.6,29.4,29.1,28.7
1928,29.8,29.5,31,31.3,31.6,30.8,30.7,30.6,30.3,29.2,28.7,29
1929,28.9,29.2,29.7,31.4,31.7,30.6,30.4,30.5,30.5,29.4,28.7,29.6
1930,29.2,29.2,30,31,32.1,31.1,30.6,30.7,31.1,30,28.9,28.9
1931,29.3,28.8,32.2,32.8,32.5,31.4,31.1,30.6,30.5,29,28.2,28.4
1932,27.5,30,30.8,32.3,32.7,31.8,31,31.7,30.8,30,29.4,27.9
1933,29.2,30.4,31.2,32.3,32.8,31.8,31,31.7,31,30.2,28.2,28.5
1934,28,28.7,31,32.4,32.9,32,31.3,30.7,31.1,30,29.5,27.2
1935,29.7,30.4,32,32.6,32.2,31.5,31,31.3,30.9,30.7,29.8,29.5
1936,28.2,29.6,31,32.6,32.7,31.4,31.2,30.8,31,29.5,29.2,30.7
1937,29.9,30.9,32.4,32.3,30.5,30.6,30.2,30.5,30.1,29.1,28.5,27.6
1938,28.3,29.6,30.2,31.1,32.2,30.1,30.1,30.4,29.5,30.2,28.4,29.6
1939,31.7,29.8,31.2,33.1,33.2,30.8,31.2,31.8,30.3,30,29.2,26.6
1940,27.6,30.5,31,34.1,33,32.4,31.1,30.6,31.7,30.6,30.4,30
1941,31.4,31.3,31.9,34.2,32.4,31.6,31.3,31.5,31.8,30.7,30.5,30.1
1942,28.1,29.9,31.2,31.6,31.7,31.1,30.8,30.7,30.5,30,28.7,28.7
1943,28.4,30.1,31.5,31.1,31.8,31.1,30.9,31.1,29.9,29.5,28.4,28.1
1944,29.7,30.8,31.6,33.1,32.1,31.4,30.5,30.6,30.7,29.9,28.7,27.5
1945,29.4,30.9,30.4,32,32,31.4,31.2,31.4,30.8,29.5,30.2,29.9
1946,30.1,30,32.6,32.3,32,32,32.2,31,31.4,31.1,30.6,31.4
1947,31.3,31.9,32.3,33.2,33.9,32.2,31.1,30.9,31.7,30.9,30.1,30.2
1948,29.2,30.5,32.1,32.3,32.5,31.2,31.2,30.6,30.9,30.2,28,29.1
1949,26.7,30.5,32,32.5,32.9,32.1,31.7,31.5,30.5,30.3,29.6,30.6
1950,30.5,31.6,32.6,32.8,32.5,31.3,30.5,32,30.5,30.3,29.9,27.6
1951,28.4,30.2,31.6,33.5,32.2,30.3,31.1,31.1,30.5,30.4,29.4,28.1
1952,29.3,31.3,31.2,33,32.9,31.6,31.1,30,31.4,29.2,28.6,27.2
1953,28.2,29.2,31,32.2,32.2,30.3,30.7,30.5,30.9,30.3,28.4,28.4
1954,30.2,30.4,31.6,33.4,31.4,31.2,31,30.7,29.2,29.4,28.5,28.1
1955,27.6,29.7,31.1,32,32.2,29.8,31.3,30.9,30.1,28.4,27.5,28.1
1956,28,29.8,30.6,31.2,30.7,30.7,30.1,30.7,30,28.5,27.5,27.9
1957,29.1,29.8,31.3,33.2,33.5,32.6,31,31.4,30.2,29.6,29.6,30.2
1958,29.9,30.3,31.6,32.1,33.6,31.4,30.2,30.1,30.8,29.6,28.8,28.7
1959,29.4,31.6,31.2,32.9,31.9,32.5,30.2,31,31,29.6,30.3,30.1
1960,29.6,30,32.4,33.4,32.5,31.4,31.1,31.6,30.9,29.9,29.1,29.2
1961,28.8,29.5,30.4,32.3,31,31.4,30.7,30.5,31.1,30,29,29.2
1962,28.6,29,31,32.7,32.7,31.8,30.8,30.3,30.2,30,30.2,28.9
1963,26.7,31.9,30.9,32.8,33.2,32.1,31.3,31.1,31.2,29.9,29.7,29.4
1964,29.8,30,31.3,34.3,31.8,32.3,32,31.3,30.9,30.8,27.7,28.3
1965,27.9,30.2,30.9,32.1,32.4,30.5,31.6,31.2,30.8,29.6,29.7,29.2
1966,29.6,30.2,32.1,33,32.5,32.3,31.5,31.1,30.3,29.7,29.3,29.1
1967,27.6,28.9,30.2,31.9,31.7,31.7,30.9,30.1,31.8,29.5,29.8,28.1
1968,28.7,29.1,30.1,30.9,31.3,31.3,31,31,30.4,29.5,29.7,30.2
1969,29.6,30.4,31.5,31.9,32.5,31.9,30.4,30,30.6,29.8,28,28
1970,28.7,29.1,30.9,31.5,31.8,31.4,30.4,30.3,31.2,29.6,29,28.5
1971,27.4,28.9,30.3,31.8,31.9,30.7,29.7,30.5,30.9,29.2,27.9,28.8
1972,27.7,30.5,30.2,30.5,33.9,31,30.6,30.6,30.6,30.3,28.8,28.2
1973,29.4,30.7,31.3,33,31.7,31.1,30.5,30.3,30.3,29.5,28,27.4
1974,27.7,28.9,30.1,31,30.5,30.4,31.2,30.4,30.1,29.6,28.8,28.5
1975,27.6,29.5,31.1,31.9,31.1,29.5,30.9,30.3,29.7,29.7,28.2,27.1
1976,28.2,29.1,30.2,31.7,30.4,31.2,31.6,30.5,30.6,30.1,27.6,28.8
1977,29.2,28.8,29.5,31.2,31.8,32.5,31.1,31.1,30.1,30.2,28.7,29
1978,29.6,29,31.1,32.1,31.2,31.7,31.2,29.8,30.7,29.5,29.4,29.2
1979,29.9,30.7,32,32.2,33.1,31.1,30.9,30.2,30.5,30.4,29.4,28.6
1980,29.1,29.9,31.6,32.2,32.6,30.8,31.2,30.6,30.4,29.8,29.2,28.7
1981,28.4,30,31.3,31.8,31,30.2,30.9,29.9,30.3,30.4,28.2,27.5
1982,28.4,30.3,30.9,31.3,31.7,30.3,29.9,29.3,30.3,30,29.9,28.3
1983,28.3,30.3,31.4,32.8,32.6,31.4,31.5,30.7,30.3,29.7,27.5,28.4
1984,28.1,29.3,31.1,32.4,32.3,29.9,30.2,30.7,29.4,29.7,29.9,29.4
1985,29.4,30.7,31.7,32.5,30.7,29.6,29.6,30.2,29.4,29.2,29,28.8
1986,27.8,30,30.7,32.3,31.2,30.9,30.2,30.5,30,29.4,29.1,28.8
1987,29.3,30,30.8,32.5,32.3,30.9,32,31,30.4,30.5,28.7,27.8
1988,29.8,30.8,32.1,31.5,31.2,31,30.4,30.7,30.1,29.5,28.3,28.4
1989,29.5,29.5,30.4,32.8,31.5,30.6,31.4,30.5,30.3,29.4,29.5,28.6
1990,30.1,30.4,31.5,33,32,31.6,31.6,31.2,30.8,30,29.6,29.7
1991,30.8,31,31.8,32.3,32.1,31,31.2,30.3,31.3,29.6,29.7,30
1992,28.9,30.3,31.8,34,34,31.9,31.2,30.6,31.6,28.9,28.8,29.2
1993,29.3,29.5,31.1,32.2,31.7,32.8,32.3,31.6,31.2,29.6,30.5,29.3
1994,30.1,31.1,30.4,32.4,31.8,30.8,29.9,30.1,30.8,29.8,30.1,31
1995,29.5,30.2,32.9,33.8,33,32.4,30.9,30.5,30.2,30,29.2,28.5
1996,29.3,29.7,31.6,32.4,31.8,31.5,30.1,30.7,30.2,29.2,29.6,28.1
1997,28.4,30,31.5,32,32.8,32.8,30.7,30.5,30.5,30.7,30,30.7
1998,30.8,31.6,32.6,33.5,33.3,32.1,32.1,31.1,30.1,30.1,29.6,28.9
1999,29.6,29,31.5,30.1,30.9,30.3,30.2,30.4,30.7,29.2,29,26.9
2000,29,29,30.4,30.4,31.5,30.2,30.5,30.6,30.6,30.1,29.4,30.1
2001,30.9,32.1,30.9,33.4,30.4,31,30.1,29.7,31.3,29.7,28.9,29.6
2002,30.2,30.5,32.1,32.5,31.7,31.2,31.2,29.5,30.2,31.3,30.3,30.4
2003,30.2,32.1,32.2,32.9,32.1,32.6,30.5,30.9,31.2,29.7,31.9,30.1
2004,30.6,30.6,33.1,33.9,31.4,31,30.6,30.3,30.6,30.3,31.6,29.3
2005,29.2,32.3,32.1,33.4,32.8,31,30.3,31,30.4,30.5,29.4,28.1
2006,30.5,31.6,32.6,33.4,31.9,31.5,29.9,29.7,30.5,30.4,31.7,29.5
2007,30.2,30.1,33.1,33,30.9,29.8,30.1,30.6,30.5,29.5,28.6,30.3
2008,29.9,30.1,31.3,32.2,30.4,31,30.1,31.4,30,30.5,28.3,28.5
2009,28.2,31.5,32.6,32.4,31.3,30.4,29.8,31.3,30.4,30.4,30.5,30.5
