1901,26.9,27.1,29.4,29.3,30.5,32.1,33.1,32.9,32.5,30.7,27.9,27.3
1902,26.3,26.7,28.8,29.8,30.7,31.9,32.9,32.7,32.2,31.2,29.2,28.2
1903,27.6,28.4,29.4,29,29.6,31.6,32.7,32.8,31.5,30,28.8,27.3
1904,27.9,28.5,29.4,29.8,30.7,31,32.1,32.1,31.4,30.3,28.1,27.9
1905,26.6,28.3,28.8,29.3,31.7,32.2,32.2,32.4,31.7,30.7,29.9,28.8
1906,28.4,28.2,28.8,29.3,30.4,31.4,32.6,32,32,30.6,28.7,27.3
1907,27,27.3,29.4,29.8,31.1,32,32.5,32.2,31.9,30.9,29.4,27.8
1908,26.5,26.4,28.8,31.2,31.1,31.5,32.4,32.2,31.7,29.6,28.8,27.8
1909,27.7,27.2,28.8,29.1,30.9,31.6,32.5,32.2,31.8,29.8,27.9,26.6
1910,26.2,26.6,27.7,29.5,30,31.2,32.1,32,31.7,30.5,28.8,26.7
1911,27.8,28.1,28.9,28.9,29.8,31.7,32.5,32.2,31.9,31.4,30.2,28.3
1912,28.1,27.2,29.7,30.5,31.1,31.5,32.5,32.4,32.3,30.7,28.7,28.5
1913,28,28.7,29.8,28.9,30,30.5,32.1,31.7,31.9,30.8,28.4,27.7
1914,26,27.7,26.7,29.9,30.7,31.6,32.2,32.7,32.1,30.8,28.5,28.5
1915,27.3,26.8,27.2,27.8,31,32,32.6,33,32.7,31.1,29.5,26.9
1916,27.7,27.3,28,29.5,30.1,32.2,31.8,32.2,32.1,30.2,28.4,27.2
1917,27.6,27.2,28.8,29.2,30.6,31.1,32.4,32.6,32.1,30.8,28,26.5
1918,26.1,27.6,29.3,29.5,29.4,31.2,32.6,32.5,31.7,30.7,29.4,28.2
1919,26.9,27.1,28.5,29,30.6,31.4,32.3,33,32.1,31.4,29.2,27.2
1920,26.8,26.1,28.3,29.7,31.2,32.8,32,32.5,32.3,30.1,29.3,28.3
1921,25.9,27.7,29,30.5,31.1,32.2,32.3,32.5,32.7,30.5,29.2,27.8
1922,26.3,25.9,28.4,29.4,29.8,32.2,31.7,31.6,32.3,31,29.3,28.5
1923,27,26.3,29,29.5,30,31.4,31.6,31.5,32.8,31.2,29.9,29
1924,28.5,27.7,28.6,31.3,31.5,32.3,33.1,33.6,32.4,31,29.4,29.3
1925,28,28.7,29.9,30.8,31.2,31.7,32.5,32.9,33.3,31.6,29.6,28.7
1926,26.6,28.1,29.6,31.7,31.4,32.1,32.8,33.2,32.5,31.9,30.5,28.9
1927,26.8,29.1,29.4,31.2,31.3,32.9,32.5,32.5,31.3,30.1,28.3,27.6
1928,27.2,27.9,28.6,28.9,29.5,31.5,32,31.9,31.6,30.1,28.7,27.6
1929,28,28.5,29.5,30.2,31.3,31.4,32.1,32.1,31.5,29.2,29.3,27.8
1930,28.2,28,28.8,30.1,30.8,31.2,32.6,33.1,32.2,30.2,28.1,27.8
1931,26.4,26.6,27.6,28.8,30.4,32,32.6,32.9,32.1,30.9,28.9,28.2
1932,27.2,28.5,28.6,29.4,31.8,31.1,32.6,32.4,31.9,29.3,27.5,27.1
1933,27.3,28.4,29.5,30.4,31.3,31.8,32,32.8,32.5,31.3,29,28.9
1934,28.2,27.3,28.7,29.7,30.5,31.4,32.8,32.8,32.4,31.8,28.4,27.2
1935,27.8,27.1,29.3,31.5,31.6,32,32,32.7,32,30.5,29.4,26.8
1936,28.2,27.4,28.5,30,30.7,31,32.6,32.3,32.3,32,29.8,28.1
1937,29.2,27.9,29.3,30.2,30.8,31.9,32.5,32.3,32.3,31.4,29.1,27.7
1938,28.7,29.1,28.9,29.6,31.2,31.9,31.4,31.8,32.3,30.8,29.5,27.6
1939,28.1,27.9,29.2,29.4,30.3,31.5,32.5,32.6,32.5,31.5,28.7,28.5
1940,26.2,26.6,28.5,30,30.8,32.3,33.4,32.8,31.4,30.1,28.8,27.6
1941,27.6,25.8,27.8,28.5,30.3,32.8,32.8,33,32.4,31.7,30,28.7
1942,28.1,26.4,29,29.9,31.1,32,32.6,33.1,33,31.5,30.4,28.8
1943,28.6,27.3,29.1,29.5,31.1,32.4,32.7,32,32.3,30.8,29.6,27.7
1944,27.2,28.4,30,30.6,30.4,32.4,32.7,32,32,30.8,27.8,27.5
1945,27.1,27.9,29.4,30.2,30.8,32.6,32.5,32,31.9,30.4,28.7,27.1
1946,27.9,27.9,29,29.4,31.1,31.8,32.7,32.5,32.2,31.3,29.9,28.4
1947,28.8,27,29,30.7,31,31.6,32.1,32.2,31.6,30.5,30.7,28.3
1948,28.4,29,30.4,30.3,31.5,32.3,32.9,32.7,32.7,30.9,31,29.2
1949,28.1,28.6,29.5,30.9,31,31.9,32.2,32.5,32.6,31.2,29.3,28.1
1950,27.6,27.7,29.1,29.5,30.6,31.9,32.5,32.7,32.1,30.7,29.1,27.2
1951,27.2,27.6,29.1,31,31.9,32.7,32.9,33.2,33.2,31.2,30.2,28.3
1952,27.4,28.4,30.7,29.9,31.4,32.9,33.1,33.1,32.9,31.4,30.2,27.8
1953,28.2,28.2,30.4,31.3,31.3,31.7,32.4,33.2,32.6,30.7,30,29
1954,29.1,28.4,29.2,31,31.2,31.9,32.9,33,32.1,29.7,28.5,26.5
1955,27.5,27.6,29.6,30.9,31.8,31.6,32.1,32.8,32.2,31,30.2,28.2
1956,27.1,29,29.5,31.1,31.2,31.5,32.5,32.6,32.4,31.2,29.4,29.1
1957,28.9,27.6,29.9,30.9,30.9,32.6,33.5,33.1,32.6,31.2,30.5,28.3
1958,26.7,26.8,29.7,31.5,30.7,31.9,32.9,33.9,32.9,31.1,31.2,29.3
1959,28.9,30.3,29.9,30.8,31.1,32.8,32.3,33.3,32.8,31.9,30.8,28.4
1960,28.2,29.4,28.4,30.3,30.9,31.7,33,32.6,32.1,31.8,30.4,27.8
1961,27.9,28.5,30.4,30.8,31.3,32,32.8,33,31.6,30.6,30.2,28.2
1962,28.6,29.6,29.6,30.7,31.1,31.8,33.7,33.3,32.9,31.8,29.7,27.6
1963,28.5,28.4,29.9,30.7,30.9,32.1,33.4,33.5,33.3,31.1,29.3,27.5
1964,28,28.1,30.8,30.8,31.2,32.2,33,33.5,32.8,31,30.2,29.2
1965,27.8,29.3,30.3,31.9,31,31.9,32.4,33.3,32.6,31.6,29.7,28.4
1966,27.9,28.4,28.8,29.8,31.2,31.2,33.1,33.3,33.2,31.9,29.1,27.8
1967,28.7,28.2,28.7,29.5,31.4,31.3,33,33.2,32.5,31.5,30,28.4
1968,27.7,27.7,27.9,30.2,31.4,31.9,32.9,33,32.2,31.2,30,28.3
1969,28.2,28,29.4,30.8,31.3,32.4,34.2,33.2,32.6,31.6,29.4,27.3
1970,27.4,26.7,28.8,31.2,32,32.4,33.2,33.1,32,31.8,28.6,28.1
1971,28,27.8,29.1,29.7,32,32.2,32.6,32.3,32.1,31,29,28.4
1972,28.4,28.2,29.5,30.8,31.5,31.9,32.4,32.7,32.1,31.4,31.1,29.2
1973,28.5,27.2,29.7,30.6,31.4,32.1,33.3,32.4,31.9,30.5,29.6,27.6
1974,28.3,27.9,29.8,29.9,31,31.8,32.3,32.2,32.3,30.5,29,27.2
1975,28.2,29.2,29.9,30.9,31.5,31.8,32,32,31.9,30.8,29.2,27.4
1976,26.2,26.9,28.6,29.1,30.8,30.7,32.3,32.6,32.3,31,30,28.8
1977,26.8,27.5,29.8,29.9,29.6,32.3,32.6,32.6,32.2,31,29.9,28.9
1978,26.9,26.5,28.3,29.3,31.4,32.2,32.8,32.7,32,30.6,29.7,28.6
1979,27.6,27.5,28,29.7,30.4,31.6,32.5,32.4,31,30.5,29.6,27.5
1980,27.6,26.8,29.8,30.2,31.5,32,32.6,32.2,31.9,31.2,29.6,27.2
1981,26.3,27.2,28.9,30,31.9,32.3,33,32.4,32.2,31.1,29.1,28.5
1982,27.9,28.7,29.7,30.7,29.8,32,32.7,32.6,33.3,30.6,29.6,28.2
1983,27.8,27.6,29,29.7,31,32,33,32.9,32.3,30.7,29.8,29.1
1984,27.7,28.2,29,30.2,30.8,30.9,32.4,32.1,31.3,30.2,29.1,27.9
1985,27.1,27.2,28.6,29.2,31.2,32.5,32.4,32.2,31.6,30.9,29.6,27.7
1986,26.9,28,28.6,29.2,30.1,31.4,32.7,32.4,32,31,30.2,29.6
1987,27.8,28.1,29.1,29.2,31.1,32.3,33.2,33.2,32.9,31.4,30,27.8
1988,27.4,27.8,29,31.1,31,31.8,32.6,32.3,32.2,31,30.2,27.6
1989,27.7,27.7,28.7,30.2,31.2,32.4,32.5,32.4,32.5,31.2,30.2,27.6
1990,28.6,28.8,29,29.4,31.1,32.4,33.2,33.4,32.5,31.3,29.7,28.1
1991,29.1,28.5,30,30.6,30.8,32.3,33.2,32.7,32.2,31,29.1,28
1992,28,28.3,29.4,29.7,30.4,32.6,32.8,32.8,32,30.7,30,28.2
1993,28.3,27.4,28.4,29.4,30,31.9,33.3,33.2,32.4,31.9,30.3,28.5
1994,28.1,29.3,30.1,30.5,31.5,32.6,32.6,32.4,32.6,31.6,29.7,28.8
1995,28.3,28.4,29.5,31.1,32.5,33,33.7,33,33.4,31.7,30.1,28.1
1996,27.9,27.7,28.7,30.1,31.6,32,32.8,33.1,32.9,30.6,29.1,28
1997,28,29.6,30.1,30.9,32,32.5,33.2,33.7,32.8,31,31,29
1998,28.6,28.7,29.6,30.7,32.4,33.8,34.4,34.1,33.6,31.7,30.6,29.4
1999,29.4,28.3,29.6,31.5,31.6,32.4,33,33.7,32.6,31.6,30.4,28.3
2000,27.7,28.2,29.7,31.3,31.8,32.5,33.6,33.1,33.3,31,30.1,28.5
2001,27.4,29.4,30.8,30.8,31,32.2,33.5,33.5,32.5,31.5,29.6,29.3
2002,29.1,28.7,30.7,31.1,31.9,32.6,33.4,33.6,33.1,32,31.2,29.7
2003,27.8,29.8,31.8,31.1,32.5,32.6,33.6,33.5,33.3,32.1,30.5,28.8
2004,28.1,29.4,29.7,30.5,31.2,33.4,33.6,33.6,33.1,31.3,30.4,28.5
2005,27.9,27,30.4,31.1,31.9,32.6,34.1,34,33.8,31.5,30.4,29.1
2006,28.2,26.9,29.9,31.2,32.3,33,33.7,34,33.1,32.1,29.9,29.2
2007,28.9,28.1,30.1,31,30.8,32.9,34.2,33.4,33.5,31.6,30,29.7
2008,28.3,29.1,30.3,31.1,32.8,33.2,32.9,32.7,33,30.6,29,28.4
2009,28.1,27.5,28.9,30.7,31.8,33.2,33.9,33.6,33.1,32.3,30.3,30
