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