1901,29.4,30.2,30.9,30,28.7,27.4,26.8,27,27.8,28.7,28.8,28.9
1902,29.3,30,30.7,29.7,28.3,27.5,27.4,27.6,28.1,28.8,28.9,28.9
1903,29.8,30.4,31.1,30.2,28.7,27.5,27.1,27.1,27.8,28.7,28.6,28.8
1904,29.2,30.3,30.8,30.1,28.8,27.6,26.8,27,27.8,28.7,28.8,28.9
1905,29.4,30.2,30.9,30,28.7,27.4,27,27,27.8,28.9,29,29.1
1906,29.3,30.5,30.9,30,29,27.8,27,27.2,28,28.7,28.6,28.3
1907,29.1,30.4,31.1,30.1,28.9,27.6,26.9,27,27.8,28.6,28.6,28.2
1908,29.3,30,31.2,30.3,29.4,27.7,27,27,28.2,29.6,28.4,28.4
1909,29,29.9,30.6,29.5,28.5,27.2,27,27.2,27.9,28.6,28.6,28.9
1910,29.3,30.2,31.1,30.2,29,27.6,27.3,27.3,27.8,28.7,28.9,29.2
1911,29.5,29.3,30.5,29.6,27.9,27.7,25.5,26.4,27,27.8,28.2,27.7
1912,28.7,29.9,30.4,29.3,27.8,26.6,25.3,25.8,26.4,28,28.8,27.6
1913,28.5,29.2,30.1,29.3,28.4,26.6,26.8,27,27.8,28.7,28.8,28.9
1914,29.4,30.2,30.9,30,28.7,27.4,26.8,27,27.8,28.7,28.8,29.2
1915,29.4,30.3,30.8,30.4,28.6,27,26.4,26.7,27.6,28.6,29,28.4
1916,28.9,30.6,30.3,29.4,28.8,27.2,26.4,27,27.8,28.7,29.1,28.8
1917,29.5,30.7,30.9,29.5,28.7,27.2,26.5,26.7,27.6,28.6,29.1,29.2
1918,29.1,30.8,30.8,29.6,28.8,27.3,26.8,27,27.8,28.7,28.8,28.9
1919,29.4,30.2,30.9,30,28.7,27.4,26.8,27,27.8,28.7,28.8,28.9
1920,29.4,30.2,30.9,30,28.7,27.4,26.8,27,27.8,28.7,28.8,28.9
1921,29.4,30.2,30.9,30,28.7,27.4,26.8,27,28.3,29.2,29.9,30
1922,30.4,31.2,31.7,30.4,29.3,28.2,26.5,26.9,28.2,29.3,30.1,30.1
1923,29.4,30.2,30.9,30,28.7,27.4,26.8,27,27.8,28.7,28.8,28.9
1924,29.9,31.3,31.6,30.7,29.5,28.1,28.3,28,28.9,29.8,30,29.8
1925,29.8,30,30.9,29.9,29.4,28.7,28.4,28.5,28.5,28.4,28.8,28.6
1926,29.4,30.2,30.4,28.8,29.4,28.3,28.1,28.4,28.5,28.7,29.1,28.1
1927,29.4,30.2,30.9,28.4,27.5,26.5,27.1,28.3,28.8,29.7,30.4,29.5
1928,29.2,30.2,31.8,31.2,29.7,27.3,27.4,27.4,28.7,29.9,30.6,29.3
1929,29.4,31.4,31.9,30,29.2,26.8,26.1,26.2,27.2,28.6,28.8,29.3
1930,29.7,30.2,30.7,29.8,27.7,26.4,25.8,26,27.1,28.1,28.7,29
1931,29.5,30.4,30.8,29.9,29.7,28,27.4,27.5,28.4,29.3,28.8,29.2
1932,29.4,31.4,30.9,30,28.7,27.4,26.8,27,27.8,28.7,28.8,28.9
1933,29.2,30.5,31,30.6,29.1,27.8,27,27.2,28,29.1,28.9,28.8
1934,28.7,29.1,30.2,30.4,29.4,27.9,27.1,27.1,27.8,28.9,29.5,29.4
1935,30.1,30.9,31.4,29.9,28.5,26.7,26.2,26.4,27.8,29.1,29.3,28.8
1936,29.2,30.3,30.9,30.2,29.3,26.9,26,26.4,27.4,29.3,29.6,29.1
1937,29.6,30.6,31.2,31.1,29.9,27.8,26.8,27.3,28.5,29.4,29.7,28.9
1938,29.2,30.1,31.1,30,28.7,27.6,26.8,27.2,27.9,28.9,29,28.7
1939,29,30.1,31.1,30.6,29.9,27.4,27.2,27.5,28.7,29.2,29.5,29.2
1940,30,31,31,29.4,29.7,28.1,27.2,27.4,28.3,29.3,29.8,29.3
1941,29.2,30.6,31.4,31,30,27.4,26.9,27.4,28.7,29.3,29.4,29.2
1942,29.5,30.7,31.5,31,29.5,28.1,26.7,27.2,28.1,29.1,29.4,29.3
1943,29.5,30.3,31.2,31.1,30.1,27.7,27,27.3,27.9,29,29.5,29.4
1944,28.4,30.2,31.4,31.1,29.7,28,27.1,27.4,28.6,29.4,30.2,29.9
1945,29.9,30.3,31.3,31.5,30.2,27.5,26.9,27.2,28,29.3,29.5,29.4
1946,29.1,29.9,31.2,31.1,30.1,28.2,27.2,27.3,28.2,29.2,29.9,30
1947,30.3,30.3,31.5,30.6,28.7,27.8,27.3,27,28.1,28.5,29.2,28.9
1948,29.5,30,31.1,30.6,30.1,27.5,26.8,27.1,28,28.8,28.4,28.5
1949,28.8,29.7,30.8,30.9,30,27.5,26.8,27.3,27.9,29.2,29.4,29.1
1950,29,29.3,31.1,30.4,28.8,26.7,26.3,26.5,27.4,28.3,28.5,28.8
1951,28.6,29.6,30.9,29.3,28.8,27.4,26.8,27.2,28.2,28.8,29.1,28.8
1952,28.9,30.2,32.3,30.9,30.5,28.1,27.1,27.3,28.7,29,29.4,29
1953,29,30.4,31.7,31,29.9,27.8,26.6,27.1,27.6,28.7,29.5,29.2
1954,29.5,30.4,31.3,30.5,30.2,27.6,26.7,26.9,27.4,28.6,29.2,28.3
1955,29,29.4,31.2,30.7,29.1,27.1,26.8,27,28.6,28.8,29,29.1
1956,29,29.3,30.5,30.2,28.9,27,25.9,26.6,27.3,28.1,28.2,28
1957,28.4,29.1,30.6,30.3,29.2,28.8,26.7,27.8,28.2,29.6,29.2,28.2
1958,29.3,30.1,31.3,30.8,29.4,27.2,26.6,27.2,28.5,29,29.6,28.6
1959,29.3,30.2,30.6,30,29.2,27,26.8,26.2,27.9,29.2,29.8,29.2
1960,29.3,30.2,30.7,29.3,28.8,26.3,26.5,26.7,28,28.1,28.5,28.7
1961,29.8,30.5,30.7,30.2,30,27.9,27.2,27.1,27.6,27.9,28,28.9
1962,28.3,29.7,30.8,30.1,28.2,27.4,26.6,27.5,28.1,29.1,29.4,28.9
1963,29.2,30.1,31.3,29.4,27.8,26.5,26.3,26.6,27.3,28.8,28.6,28.2
1964,28.3,30,31.4,29.5,27.9,26.9,25.5,25.9,26.7,27.7,28.3,27.9
1965,28.1,29.7,30.4,29.7,28.9,26.6,25.9,26.6,27.8,27.7,27.8,28.9
1966,29.2,30.8,31.2,29.6,28.9,27.1,27.1,26.9,28.3,28.1,28.3,29.1
1967,29.1,29.9,31.1,30,28.8,27.7,26.9,26.9,27.1,28.5,28,26.8
1968,28,29.4,30,28.7,27.9,26,25.7,26.4,27.8,28.4,28.1,28.1
1969,29.1,29.9,31.2,31.2,28.9,27.8,27.6,27,28.1,30,29.9,29.5
1970,30.7,31.1,31.6,29.5,29.5,28.1,27.5,27.5,27.9,29,29.6,29.8
1971,30,30.1,30.4,30.6,28.2,26.9,26.5,26.6,27.4,27.4,28.7,29
1972,29.6,30.2,30.8,30.9,29.4,27.9,27,27.5,28.3,29.3,29.4,29.7
1973,30.1,30.4,31.8,31.5,29.5,27.9,27,27.5,27.6,29.3,28.9,28.7
1974,29.7,29.7,30.4,29.9,29.3,28.3,27.5,27.5,27.8,28.8,28.9,29.2
1975,29.2,30.4,31.1,30.4,29.1,27.3,26.7,26.6,27.3,28.6,28.5,29.4
1976,29.5,30.5,30.8,29.8,29,27.9,26.8,27,27.5,28.8,29.7,29.8
1977,30,30.3,31,29.9,29.1,27.9,27.4,26.5,27.9,28.8,28.4,28.5
1978,29.1,29.9,30.7,29.3,27.8,27.6,26.7,27.3,28.4,28.9,28.8,28.3
1979,29.5,30.2,30.9,29.8,28.2,26.3,26.1,26.7,27.9,28.9,29,29.3
1980,29.4,30.6,31.2,31,29.7,27.6,26.9,26.7,28,29.1,29.8,30.3
1981,30.7,30.5,30.7,29.4,28.1,27.7,26.7,27.5,28,28.9,29.2,29.3
1982,29.9,30.4,30.8,29.1,28,26.6,26,25.9,26.6,27.4,28.8,29.1
1983,29.9,31.1,31.4,31.3,28.8,28.1,27.7,27.8,28,29.2,28.9,29.6
1984,29.9,29.7,31.2,31.1,29,26.7,26.6,26.9,27.8,28.3,27.8,28
1985,29.3,29.8,29.7,29.8,28.5,27.3,26.5,27,27.5,28.3,29.5,29.3
1986,29.5,30.2,31.2,29.5,27.8,27.7,27.1,26.9,27.9,29.3,29.6,28.3
1987,29.3,30.3,31.1,30.4,28.8,27.4,27.4,27.3,28.7,29.2,29.8,29.8
1988,30.8,31.2,31.4,30.1,29.4,27.5,27.2,27.4,27.6,28.9,27.8,28.6
1989,29,29.7,30.7,28.8,28.1,27.2,26.8,26.7,28.1,28.5,27.7,28.2
1990,29,30.4,30.3,28.9,28.9,27.1,26.6,26.9,27.7,28.8,28.9,27.9
1991,29.6,30.6,30.6,30,28.9,27.7,26.8,26.4,27.5,30.1,28.8,29.6
1992,27.8,31.2,31.3,30.8,29.3,28.1,26.6,26.4,27.7,28.3,28.5,28.8
1993,28.6,29.7,31,30.9,29.5,27.4,26.6,26.7,27.4,26.9,29,29
1994,30,30.4,31.2,30.7,29,27.6,26.5,27.3,27.9,29.1,27.8,28.4
1995,29.3,30.6,31,30.3,28.9,27.9,27.2,27.1,27.8,29.1,29.2,28.9
1996,29.5,30.9,31.3,30.8,28.4,27.7,26.9,26.6,27.4,28.7,28.9,28.8
1997,29.6,30.5,31.2,29,28.6,27.2,27.1,27.8,28.5,28.2,27.5,28
1998,30,30.1,31.3,30.3,29.2,28,26.8,26.4,27.7,29.8,28.1,29.6
1999,29.8,30.3,32,29.7,28.8,27,26.7,26.5,28,27.7,28.7,28.8
2000,28.9,30.1,30.9,30,28.3,27.2,28.1,26.7,27.3,27.9,30.6,28.9
2001,29.8,30.5,32,30.1,28.7,26.9,26.8,25.7,28.2,29.4,28.8,29.3
2002,29.8,30.4,31.6,31,29.4,28.3,26.8,27.8,27.9,28.6,28.9,29.5
2003,30,30.5,31.4,31.3,29.9,27.8,27.3,27.7,28.1,29.4,28.9,29.1
2004,29.3,30.5,31.4,30.5,29.3,27.9,27.4,27.7,28.2,27.9,29.1,29.2
2005,29.2,30.4,31.5,30.8,28.9,27.9,27.1,27.5,28.4,29,29.4,28.3
2006,29.9,30.8,31.7,30.2,29,28.1,26.4,27.3,27.8,29.6,29.4,30
2007,30.1,30.4,30.8,30.3,29.2,27.9,27.2,27.4,28,28.7,29.1,29.3
2008,30,30.9,30.4,29.4,28.5,27.5,26.8,28.1,28.6,29.6,28.6,28.9
2009,30,30.4,31.8,31.1,29.7,28.2,27.3,28.5,28.7,28.7,29.4,30.5
