1901,26.9,26.9,26.4,24.3,22.9,20.4,21.7,21.3,21.2,24.2,24.1,25.1
1902,27.3,28.3,27.6,26.3,24.4,22.9,22.7,20.1,22.3,23.1,26.4,27
1903,26.2,27.7,28.6,24.7,22.3,22.5,20.3,21.8,21.5,22.7,25,27
1904,27.1,26.7,27.9,25,21.5,20.1,21,21.7,22.1,22.9,24.9,25.7
1905,26.8,27.7,26.2,25.5,23.9,21.5,20.9,21.8,22.1,25.5,24.5,26.6
1906,27,26.3,26.6,25.3,24.4,22.4,21.4,22.7,21.1,24.2,24.7,26.2
1907,26.9,27.2,27.9,25.6,21.3,21.5,19.8,20.7,22.6,22.8,24.5,27
1908,27.1,26.5,26.3,25.2,22.9,21.9,21.7,20.2,21.3,22.9,24.9,26.5
1909,27.8,28.4,26.2,24.5,21.5,21,22,21.8,21.3,22.3,24.7,24.5
1910,28.3,27.2,27.6,26.5,21.3,22.6,19.8,22.3,21.1,21.6,23.7,25
1911,28.3,26.5,25.8,24.7,22.6,19.1,18.4,21.1,21.6,22.4,26.3,27.2
1912,27.6,28.1,27.9,25.2,24.4,22.5,19.6,22.9,19.8,22.1,26.2,26.1
1913,27,27.4,28.4,26.4,23.4,20.3,22.4,21.7,22.4,23.3,24.5,24.9
1914,28.7,28.5,29.6,25.6,22.7,25.1,23.4,22.5,24.2,24.6,27.1,25.6
1915,28.6,28.9,28.1,27.7,26.6,22.1,22,23.9,22.2,23,23.7,26.6
1916,27.9,26.3,27.7,25.1,25.4,23.5,20.7,22,23,22.4,25,25.5
1917,27.1,26.8,26.8,24.3,21.8,19.9,20.3,20,22.5,23.5,22.3,25.9
1918,27.4,27.6,27.7,24.9,23.9,20.9,20.2,20.2,20.8,22.9,25.4,25.8
1919,26,26.9,27.6,27,26.8,24.2,21.8,22.6,19.3,23.2,25.2,26.6
1920,28,27.5,28.2,26,23.8,22,21.3,20.2,21.8,23.8,26,26
1921,28.3,28.1,28.8,25.8,23.6,21.2,20.4,23.4,21.6,22.5,24.6,26.3
1922,28.4,28.1,27.8,26.6,24.1,22.6,21.9,24.2,22.8,22.3,25,25.8
1923,28.4,27.7,28,28,23.1,22.2,19.8,22.8,22.2,23.3,25.3,27.8
1924,26.6,26.6,29,27,23.6,22.5,21.6,21.7,22.1,21.2,24.7,25.9
1925,28.1,28.1,26.9,27.2,24.6,20.9,19.5,24.4,23.1,22.5,24.8,27.2
1926,28,26.5,28.2,26.4,23.2,23.6,21.5,22.6,23.4,23.9,25.7,26.1
1927,27.9,27.5,28.5,27,23.3,21.1,21.6,21.3,21.8,23.4,25.6,26.4
1928,28.3,28.4,28.3,28.4,24.1,22.8,21.6,21.8,22.3,23.9,25.2,26.6
1929,28,27.8,27.3,24.5,22.6,22.5,22.1,22.9,22.6,24.9,23.9,27.1
1930,28.8,28.2,29.3,26.3,24.5,24.7,22.1,22.9,22.2,23.7,25,26
1931,29.1,26.8,27.7,26.6,23,21.6,21.6,21.8,20.9,23.4,24.7,27.6
1932,27.3,28.6,28.4,27.9,23.7,21.5,23.4,21.4,23.3,25,26,26.7
1933,27.6,28.6,27.6,25.2,24,21.8,20.4,23.2,22.3,24.2,24.4,25.1
1934,28,28.4,29.3,26.5,25.4,24.2,20.9,23,22.4,23,26.1,25.7
1935,27.5,27.7,28.8,25.3,21.8,23.9,23,21.8,22,23.4,25.1,27.8
1936,29,27,27.8,25.7,26.8,25,21.7,20.7,21,24.3,24.6,26.4
1937,25.8,28.1,27.5,25.4,22.6,23.1,22,24.1,21.4,23.1,23.9,24.7
1938,28.8,27.6,29.7,25.4,24,23,20.8,22.4,21.8,23.5,24.7,25.5
1939,28.3,27.5,28.9,26.4,24.9,22.8,20.8,22.9,21.6,23.6,25,25.7
1940,28,27,29.2,27.4,26,24.1,23.1,23.7,22.5,23.7,24.9,29.4
1941,29.3,28.9,28.5,28.4,25.8,22.5,21.5,24.9,20.5,23.6,25.5,26.5
1942,28.3,28.9,28.8,26.6,24.2,22.3,18.8,22.9,22.8,24.9,26.2,25.6
1943,27.8,28.5,29.7,24.6,24.7,23.6,22.6,21.3,22.3,23.7,25.4,25.5
1944,29.2,27.7,29.4,26,24.2,23.7,20.2,23.4,23.3,26.4,24.1,26.2
1945,27.9,29,27.8,26.8,23.2,21.4,21.7,24.2,22.1,24.8,25.2,25.2
1946,27.1,29,27.3,24.3,25.1,22.4,20.1,23.8,23.9,24.4,25.2,26.4
1947,28.9,28.5,26.6,26.2,24.7,23.6,19.9,21.2,21.9,21.3,23,24.8
1948,29.2,27.6,26.5,26.3,23.4,22.9,22.9,20.8,22.4,23.4,24.9,26.1
1949,28.3,27.8,29.3,24.7,23.7,23.9,22,22.8,22.7,22.8,24.7,26.1
1950,27.2,27.7,28.4,27.1,25.3,22.9,22.3,24.3,23.2,23.7,24,26.9
1951,27.7,27.9,27.6,24.4,24.5,23.2,20.7,22,24.2,24.1,25.2,24.9
1952,28.8,27.1,28.9,24.7,25.8,22.9,22.7,25.2,22.1,25.1,26,26.8
1953,30,27.7,30.1,25.8,25.1,23.9,20,24.2,24.5,25.1,25.4,26.4
1954,30.3,29.6,28.8,25.6,23.8,24.1,23.1,23.8,24.2,24,25.9,27.1
1955,28.5,30.1,29.5,27.1,23.5,22.9,21.7,22.1,23.6,22.7,23.8,26.3
1956,30.3,28.5,27.7,25.7,21.4,20.1,21,21.6,23.9,23.3,23,25.5
1957,28.3,27.3,27.9,25.8,24.1,22.6,21.3,23.2,21.8,25.7,25,27.5
1958,29,29.4,28.1,25.8,23.4,23.6,22.9,25,23.1,24.6,27,27.7
1959,29.2,28.7,27.9,29.7,24.7,22.5,24.3,23.6,24.1,25.3,25.4,26.8
1960,27.4,26.3,27.9,26.2,22.1,22.8,23.4,23.5,23.6,26.1,25.4,26.1
1961,28.4,28.2,28,27.2,24.1,23,23.1,25,24.7,26.3,26.7,26.7
1962,27,27.3,28.1,25.9,22.9,20.8,20.1,21.9,22.5,22.5,25.2,25.3
1963,28.8,27.7,29,26.4,24.2,22.1,22.9,23.8,24.8,24.7,26.1,25.9
1964,27.4,27.1,28,26.1,23,21.3,19.4,22.8,23.1,23.2,24.3,25.4
1965,26.8,27.9,26.8,26.5,23.6,23.3,22,24.3,24.1,24.5,25.3,27.4
1966,28.8,29.1,28.6,26.1,24.1,24,23.2,21.8,21.4,23.7,24.8,26.7
1967,27.5,27.8,27.4,26.5,25.5,22.5,22,25.1,23.2,25.8,24.4,25.1
1968,28.2,26.6,28,24.4,22.2,21.9,21.3,21.6,22.2,23.7,26.2,28
1969,29,28.8,28.1,25.7,24.4,23,21.5,22.8,23.3,22.5,25.3,25.3
1970,27.8,28.3,28.6,26.7,25.6,23.9,21.7,22.4,21.8,23.6,23.9,27.8
1971,30,29,28.7,25.8,22.9,21.1,21.5,22.9,23.3,23.5,24.3,27
1972,28.8,27.5,28.7,25.4,25.2,25.6,21.8,23.3,23,24.2,25.1,26.8
1973,29.4,29.6,27.6,28.4,24.1,23.7,22.3,21,21.1,23.5,22.5,26.9
1974,27.4,28.4,28.1,25.5,24.7,21.6,23.2,23.5,22.7,23.7,26.1,26
1975,28.3,29,29.2,25.8,24.2,22.5,21.1,25.2,24.6,24.8,26.3,28.1
1976,29.3,27.2,28.9,25.8,24.1,22.1,21.2,22.2,22.5,23.4,25.8,27.2
1977,29.2,29.9,29,25.8,25,23.5,25.1,23.1,23.6,25.4,25.8,26.2
1978,28.9,28.4,28.6,25.5,23.4,21.6,23.3,26,22.6,25.7,25.8,26.8
1979,26.1,28.1,27.1,26,24.4,22.3,21.2,24,22.4,25.4,25.2,26.9
1980,27.8,29,30.7,27.2,26.5,23.3,22.8,24,21,24.9,26.4,28.2
1981,29.4,30.6,29.8,26.3,27,23.7,20.9,23.3,23.8,23.6,26.5,26.7
1982,27.2,28.8,27.6,25.5,24.1,24.8,23,24,23.7,24.8,26.2,26.3
1983,28.8,29.1,28,27.2,25.9,24.6,22.6,23,20.6,24.3,27,27.3
1984,31.4,30.7,28.1,25.9,26.3,23.8,23.2,21.4,22.2,25.5,25.1,25.8
1985,27,28.8,28.9,28.1,24.2,22,22.2,24.3,22.8,25.4,26.4,27.4
1986,30.1,29.2,28.4,27.6,25.2,23.3,21.8,23.5,22.8,24.8,26.9,26.8
1987,29.7,28.8,28.4,27.6,24.2,22,24.9,22.6,22.2,24.4,26.1,27.3
1988,30.4,27,29.1,26.5,22.9,21.3,19.7,23,23.6,23.9,25.5,26.9
1989,28.9,28.4,28.4,27.7,24,22.9,21,22.9,22.9,22.9,25.7,26.1
1990,29.3,28.9,29.5,29,23.2,22.5,19.6,21.4,21.9,25.7,27.6,27.8
1991,27.9,27.7,27.6,27.2,25.5,24.2,21.7,23.7,22.5,25.5,26.5,28.2
1992,28.8,29.4,28.8,27.3,25.7,25.2,21.7,21.6,22.7,25.7,25.9,28.7
1993,29.6,29.1,29.8,28.4,25,22.8,23.2,21.8,22.7,25.9,28.5,28
1994,28.3,30.8,28.9,26.8,25.2,22.1,23.5,22.2,21.5,26.1,26.5,29
1995,30.6,28.8,29,27.8,24.1,23.5,24.3,25.4,23.2,24.1,26.6,27.9
1996,29.9,29.3,28.4,27.8,23.9,22.5,20.3,22.2,22.5,25.2,25.7,28.3
1997,28.7,29.2,28.2,26.8,24.7,23,22.9,24.2,24.4,25.4,27.2,29.2
1998,30.5,29.8,29.6,27.6,24.5,22.4,22.9,25.3,23.7,24.6,25.8,28
1999,29.9,29.4,30,25.9,24.1,22.8,22.9,23.2,23.5,23.2,24.5,27.7
2000,29.1,28.3,28.3,27.2,24.6,24.5,20.9,22.5,22.9,26.9,26.7,28
2001,30.3,30,30.4,29,24.8,24,23,24.8,23.5,25.7,26.9,27.2
2002,29.2,27.9,30.9,29.1,26.4,25.4,22.8,25.7,22.7,28.1,27.4,28.5
2003,29.5,31.2,29.4,27.9,24.9,25.3,23.7,22.3,23.1,25.4,26.6,27.8
2004,28.1,27.7,28.5,28.2,23.9,23.4,22.2,23.5,25.7,24.6,26.3,27
2005,29.1,28.4,29.4,28.8,26.3,25.5,23,25.2,22.7,26,26.2,26.6
2006,30.2,29.4,29.7,27.2,23.7,23.8,24.2,24.6,23.2,25.5,26.1,28.4
2007,29.4,29.6,30.8,28.6,24.3,24.5,22.1,23.9,25.2,26.6,25.8,28.1
2008,28.3,28.6,28.9,27.4,24.4,23.1,23.6,24.8,22.7,25.7,26,26.8
2009,28.8,29.6,30.2,27.3,26,22.4,22.5,24.1,24.4,25.1,29.2,28.4
