1901,30.3,28,27.9,28.5,27.3,26.6,23.8,24.6,26.9,29.6,29.9,29.9
1902,28.2,28.5,28.8,29,27.6,26.1,24.8,25.7,26.7,28.7,29.9,29.3
1903,29.3,28.7,29,28.9,27.6,25.3,25.4,26.5,28,29.5,29.9,29
1904,27.5,27.9,28.2,27.4,27.6,24.3,24.8,25.4,27.5,29,29.5,29.2
1905,28.2,28.1,29.6,28.7,28.3,26.2,25.7,25.8,27.6,29.3,30,30.7
1906,30.1,29.7,29.5,30.3,28.9,27.5,26.3,26.6,27.6,29.2,28.6,29.5
1907,28.8,28.3,28.7,28.1,27.5,25.4,24.9,26,27.3,29.7,30,29
1908,29.1,28.7,28.7,28.8,27.9,24.9,24.9,26.4,27.6,29.3,30,29
1909,29.3,29.1,28.6,28,27.3,26.3,25.4,26.8,27.4,29.8,29.2,29.4
1910,28.8,28.2,28.2,27.5,27.5,25.6,25.9,27,28.4,29.8,29.5,29.3
1911,29,28.9,30.2,27.9,26.5,24.2,24,24.8,27,29.2,29.9,30.3
1912,29,28.2,28.5,28.4,27.4,26,25.6,25.4,28.1,29.6,29.8,29.9
1913,28.5,28.3,28.3,28.3,24.9,23.7,23.8,25.3,26.5,29,31,30.4
1914,28.5,29.6,29.2,29,27.4,24.5,23.2,25.3,27.2,28.8,29.6,29.8
1915,28.6,29,29.4,29.4,27.2,25.8,26.2,26.4,28.7,29.9,30.2,28.5
1916,28.4,28.3,28.7,29.1,27.8,27,26.7,27.2,28.4,29.6,29.3,29.2
1917,27.9,28.1,28.7,27.9,26.4,25.4,25.9,26.8,28.3,29.3,29.8,28.2
1918,27.4,27.5,28.7,28,26.9,25.3,24.2,26.2,26.9,29.6,30.7,29.8
1919,28.5,29.2,28.8,28.6,26.9,24.8,23.3,25,27,28.6,29.3,29.8
1920,28.6,28.2,29,28.9,27.7,27.2,26.7,27.1,28.2,29.6,29.8,29.1
1921,28.4,28.2,28,28.1,27.9,27.3,25.1,25.6,27.9,29.7,30.1,29.6
1922,28.9,28.4,28.3,28.7,26.9,25.1,23.7,24.2,27.1,29.1,30.4,29.3
1923,28.7,28.4,28.3,28.2,27.4,25.2,23.5,24.1,26.6,28.8,29.9,29.3
1924,29.5,28.6,29.4,27.7,28.3,25.9,25.3,25.8,28,29.6,30.8,29.1
1925,28.7,27.8,28.1,26.8,26.4,24.4,24.1,25.2,26.7,28.7,30.1,30.2
1926,29,29.5,30.2,29.1,26.6,25.1,24.5,26.2,28.4,30.1,30.7,29.9
1927,28.8,30.1,29.7,28.5,27.3,26.5,24.9,25.1,27.4,29.7,29.8,30.4
1928,28.4,29.5,28.5,29.2,26.8,24,24.4,26,28.2,29.9,30.5,30
1929,29.1,28.4,28.6,27.6,26,24,23.4,25.7,27,29.3,31.1,29.5
1930,29.7,28.2,28.5,28.9,27.6,24.5,25,25.7,27,29.2,29.8,29.2
1931,28.7,28.8,28.8,28.6,28.1,26.7,25.2,26.1,28,28.6,29.5,30.2
1932,30,29.4,28.7,29.1,27.4,25.9,23.6,24.9,27.6,29.7,29.8,29.2
1933,29.9,28.4,28.4,28.9,27.6,25.6,23.8,25.9,27.7,29.5,29.5,28.4
1934,28.3,27.6,28,28.7,27.1,26,25.2,25.2,27.2,29.2,30,30.5
1935,29.1,29,28,28.3,26.9,24.8,23.6,25.7,27.4,29,30,30.3
1936,28.8,29,29,28.8,27.5,25.9,25.6,26.8,28.2,29.4,30.2,29.8
1937,28.2,29.5,28.5,28.5,27.5,25.6,23.5,24.9,27.8,29.2,30.5,29.2
1938,28.2,28.3,29.4,29.3,28.1,26.1,24.4,25.9,27.5,28.9,28.4,29.3
1939,27.9,28.2,28.2,27.6,26.6,24.8,24.8,24.7,26.8,28.6,29.4,29.5
1940,27.8,27.2,27.9,27.9,26,24.9,24.1,25,26.6,28.2,29.5,29.3
1941,27.8,28,27.9,27.7,26,24.1,23.3,23.7,25.9,27.9,28.2,28.8
1942,28.1,28.3,29.5,28.6,28,26.3,24.6,25,27.7,28.9,28.9,28.2
1943,28.5,27.4,27.6,27.6,25.6,23.2,24.4,25.3,26,28.4,28.3,28.2
1944,27.9,27.9,27.1,28.1,25.4,24.5,23.2,24.7,26.9,28.7,28.9,28.6
1945,28.6,28.6,27.8,27.7,26.3,25.1,23.9,26.3,27.6,28.2,28.4,27.8
1946,27.5,27.8,28,26.5,26.9,23.1,24.4,25,26.7,28.5,29.5,29.6
1947,29.1,28.1,27.9,27.1,26.2,25.5,25.2,26.2,27.1,28.7,29.4,29.1
1948,28.9,28.6,28.4,26.3,26.6,24.1,25.1,25.2,26.5,29.2,29.6,28.4
1949,28.8,27.3,27.9,27.1,25.7,22.5,23.4,24.6,26.8,28.7,29.2,28.3
1950,27.9,27.6,28,27.7,26.5,24.6,24,25.4,26.8,28,28.8,27.7
1951,28.1,27.8,28.6,28.5,26.5,25.6,24.1,25.7,27.4,29.2,29.6,29.6
1952,29.1,29.1,28.9,28.6,27.2,24.7,24.8,25,27.7,29.4,29.6,29.9
1953,28,27.9,28.6,27.7,25.6,24.6,24.2,24.2,27.1,29.5,29.8,29.5
1954,28.3,28.2,28.8,27.8,26.8,24.3,24,26,27.6,27.9,29.2,27.7
1955,28.2,27.7,27.9,27.8,27.1,26.1,25.6,26.9,28,29.4,28.4,29.5
1956,28.1,27.2,28.2,27.6,26.9,24.7,25.6,25.8,26.5,29.1,29.3,28.3
1957,27.7,27.6,27.6,28.3,26.4,26.1,24.8,24.7,26.6,28.9,29.5,28.2
1958,28.9,28.7,28.7,28.6,28.2,26.1,25.4,26.3,27,29.1,29.5,28.8
1959,28.2,28.8,28.9,27.3,26,24.7,23.6,24.8,27,29.2,29.5,29.2
1960,28.2,27.7,27.5,27.9,25.2,23.6,24.2,24.6,27,28.8,29.6,28.7
1961,28.1,28,28.6,28.2,26.2,23.8,23.6,24.1,27,28.9,28.9,29.9
1962,27.6,27.9,28.8,27.8,26.7,26.5,24.9,25.3,27.4,29.3,29.5,29.2
1963,28,27.5,28.2,27.4,25.9,24.2,22.9,24.4,26.4,28.6,29.7,29
1964,28.4,29.5,27.9,28,26.6,24.2,24.7,25.5,28,29.3,28.3,28.6
1965,28.2,28.4,27,27.4,26.9,24.9,22,24.3,26.9,28.5,29.9,28.4
1966,28.2,28.4,28.3,28.5,26.4,25.4,23.9,25.6,27.4,28.2,29.2,28.5
1967,27.9,26.7,27.6,27.9,26.2,22.9,23.4,24.9,26.5,29.2,29.9,30
1968,28,26.9,28.3,28.2,26.2,25,24,25.3,27.3,29,29.5,29.3
1969,28.6,27.6,28.6,28.2,27.3,24.7,25.4,25.8,26.9,28.3,30,29.6
1970,29.5,28.8,29,28.4,27.3,26.3,23.9,25.1,27.9,29.2,29.7,29.2
1971,29,28.2,27.7,27.3,25.8,23.5,23.8,26.1,28.3,29.8,29.7,28.7
1972,28.9,28.1,28,28,25.6,24.9,24,25.9,27.2,29,29.6,29.3
1973,28.8,29.2,28.2,28.4,27.9,26.5,25.2,26.9,28.3,29.8,29.1,28.7
1974,27.2,28.1,27.3,28,26.4,23.7,24,25.7,28,28.9,29.2,27.9
1975,28.7,27.7,27.8,27.8,27.1,24.8,25.8,26.3,28.3,28.8,29,28.5
1976,27.5,27.3,27.3,28.3,26.3,24.5,24.2,24.5,26.5,29.1,30.4,30
1977,28.3,28.4,27.1,27.8,26.2,23.5,23.1,25,26.7,28.8,29.6,29.1
1978,28.3,28.3,29,28.5,28.2,25.2,24.9,26.4,27.4,28.4,29,29.3
1979,28.3,28.8,28.7,28.6,27.1,25.3,24.4,25.5,27.8,29.3,30.1,29.6
1980,28.2,27.9,28.8,28.3,27.6,26.1,24.7,26.1,27.4,28.9,29.4,28.9
1981,27.9,27.9,28.1,28.5,27,25.8,26.1,27.2,28.4,28.7,29.4,29.4
1982,28,28,28.4,28.8,26.6,24.7,23.5,25.2,26.3,28.2,29.1,29.7
1983,29.5,29.1,28.6,28.1,26.4,25.2,23.6,25.9,28,29.2,29.6,29.5
1984,28,27.4,28,28.3,27.6,24.7,23.6,25.7,27.2,29.3,29.8,29.2
1985,28.9,28.3,28.8,28.3,27.2,23.5,23,25.8,27.5,29,30.2,30.5
1986,28.4,29.1,28.5,28.2,27.7,25.9,25.3,25.3,27.7,29.2,29.8,30.1
1987,28.5,27.4,29,28.6,27.6,26.2,24.8,25.5,27.3,29.9,30.4,29.2
1988,29.2,29,29,28.8,28.2,24.8,25.7,27,28.2,29.8,29.7,28
1989,28.6,28.8,27.2,28.1,27.3,24.6,25.1,24.6,27.5,29.8,30.5,29.5
1990,28.7,29,29,28.4,26.8,24.7,25.5,24.8,27.2,29.2,29.7,29.6
1991,28.3,27.4,28.6,28.1,26.7,25.8,24.8,25,27,29,29.3,30.2
1992,28.9,28.9,29.3,27.7,27.9,25.1,24.5,26,28.3,28.6,29.6,29.3
1993,28.4,28,28.9,28.8,27.3,25.8,25,25.8,27.6,29.4,29.8,28.6
1994,28.8,28.1,28.3,27.6,26.7,24.6,23.9,24.6,26.6,29.2,29.7,28.5
1995,27.7,28.2,27.5,27.4,26.3,25.1,24.1,25.8,27.2,28.3,29.5,28.6
1996,28.6,28.3,28.3,27.1,26.2,25.3,24,25.4,27,28.9,29.5,28.2
1997,27.5,27.8,27.9,27.9,26.1,24.5,23.6,24.8,26.8,28.7,29.1,28.7
1998,28.2,28.6,28.5,28.7,27.6,25.6,25.7,25.6,27.7,29.3,29.7,28.1
1999,28.1,27.5,27.5,27.3,25.2,24.6,23.2,24.5,26.8,28.2,28.7,28.3
2000,27.8,27.4,27.4,27,26,23,23.4,25,27,28.4,29.8,28.4
2001,27.9,27.9,27.9,27.7,25.5,25.4,23.9,24.6,28.1,29.7,29.4,28.9
2002,29.2,27.9,28.5,28.1,26.8,24,23.6,24.1,27.7,30.1,29.6,30
2003,28.1,27.6,27.9,28.6,27.2,25.4,24.9,26.2,28.2,30,29.4,28.8
2004,28.3,27.7,28.1,28.4,26.8,23.5,23.3,24.7,26.2,29.5,30.2,29.3
2005,28.7,28.9,29.1,29,26.7,25.8,26.1,25.6,28.4,30.3,29.8,29
2006,28.1,29,28.1,27.8,26,23.2,23,24.1,26,27.9,29.6,28.9
2007,28.7,28.1,27.3,27.7,27.5,23.8,22.6,24.4,26.6,28.9,28.9,28.9
2008,28.4,28,27.6,27.2,25.6,24.7,23.5,24.6,27.2,29.1,30,28.4
2009,28.5,27.5,28.6,28.3,26.6,24.8,23.8,25.1,27.8,29,29.3,28.6
