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