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