1901,30.6,32.5,31.9,32.1,30.3,29,27.4,27.3,28.2,29.1,30.1,30.4
1902,30.9,32.1,32.1,32.1,30.3,29,27.4,27.5,28.2,29.1,30.1,30.4
1903,31.1,32.7,32.4,32.2,30.2,28.7,27.4,27.4,28.2,29.1,30.1,30.4
1904,30.9,32.3,32,32,30.1,28.9,27.4,27,28.2,29.1,30.1,30.4
1905,30.7,32,32.2,32.4,30.5,28.6,27.4,27.3,28.2,29,30.5,30.7
1906,30.5,32.5,32.7,33.3,30.3,29.1,27.3,27.2,28.6,29.3,30.3,30.8
1907,30.7,32.1,32.2,32.2,30.7,28.9,27.5,27.6,28.3,29.6,30.1,30
1908,30.6,32.1,32.2,32.4,30.7,28.7,27.6,26.6,28.3,29,29.9,30.2
1909,30.9,32.9,33.1,32.5,30.2,29,27.1,27.4,28.2,28.7,30.2,30.4
1910,30.3,32.4,31.8,31.8,30.2,29.8,27.6,27.3,28.4,29.1,30.1,30.4
1911,30.5,32.3,32.6,32.4,30.4,29.1,27.4,27.4,28.2,29.1,30.3,30.2
1912,31.1,32.8,32.7,33,30.7,29.6,27.7,27.8,28.5,29.1,30,30.4
1913,30.9,32.3,31.6,32,30.4,29.2,27.9,27.9,28.8,29.1,30.1,30.4
1914,31.8,32.5,32.4,32.4,30.8,29.4,27.9,27.5,28.5,29.4,30.8,30.5
1915,30.9,32.6,32.4,32.3,30.3,29,27.4,27.3,28.2,29.1,30.1,30.4
1916,30.9,32.6,32.4,32.3,30.3,29,27.4,27.3,28.2,29.1,30.1,30.4
1917,30.9,32.6,32.4,32.3,30.3,29,27.4,27.3,28.2,29.1,30.1,30.4
1918,30.9,32.6,32.4,32.3,30.3,29,27.4,27.3,28.2,29.1,30.1,30.4
1919,30.9,32.6,32.4,32.3,30.3,29,27.4,27.3,28.2,29.1,30.1,30.4
1920,30.9,32.6,32.4,32.3,30.3,29,27.4,27.3,28.2,29.1,30.1,30.4
1921,30.9,32.6,32.4,32.3,30.3,29,27.4,27.3,28.2,29.1,30.1,30.4
1922,30.9,32.6,32.4,32.3,30.3,29,27.4,27.3,28.2,29.1,30.1,30.4
1923,32,32.4,32,31.5,30.5,29.1,27.1,26.6,28.2,29.4,30.7,31.1
1924,31.3,34.1,32.3,32.1,30.6,29,26.7,26.6,27.2,29.1,30,30.1
1925,29,31.6,32.1,32,30.1,28.6,27.3,26.7,28.1,28.6,30.7,30.6
1926,31.5,32.5,32.2,31.9,30,28.8,27.7,28,29.2,30,31.1,31.2
1927,31.2,33.1,31.7,32,30.9,29.2,27.4,26.8,29.1,29.4,30.6,31.3
1928,31.3,31.5,31.9,31.4,29.9,28.5,27.5,26.4,28.4,29.2,30.4,30.1
1929,30.2,32.7,31.5,31.1,30.5,28.1,26.5,26.1,27.5,28.9,30.3,29.1
1930,30.4,33.2,32.4,32.4,30.4,28.9,27.3,27.5,28.6,29.8,30.9,32.2
1931,31.4,33.8,32.1,33.6,30.9,29.2,27.5,27.4,28,30.1,31.4,32
1932,30.9,33.4,33.8,33.2,30.7,29.2,27.3,27.6,28.4,29.9,31.1,31
1933,31.6,33.2,33,32.6,30.1,28.5,27.2,27.1,28.2,29,31.4,31.2
1934,31,32.5,32.4,32.3,30.5,29.2,27.6,27.1,28.8,30.2,31.7,31
1935,32.1,33.5,33.9,32.7,31,28.7,27.6,27.1,28.3,28.7,31.2,31.4
1936,30.7,33.6,34,31.8,30.4,28.8,26.7,26.3,27.7,29.3,31.2,30.4
1937,30.8,32.8,33,32.4,30.3,29.4,27.3,27.4,28.5,30.3,31,31.3
1938,31.4,33.2,32.7,33.3,31.5,30,27.8,27.1,28.3,29.7,31.8,30.1
1939,31.8,33.7,33.4,31.7,30.5,29,27.7,27.5,28.2,29.9,30.9,31.8
1940,30.9,32.6,32.4,32.3,30.3,29,27.4,27.3,28.2,29.1,30.1,30.4
1941,33.2,33.3,34,33.3,31.5,30,27.3,27.8,28.9,30,30.7,31.4
1942,32.8,34.4,33.1,33.1,30,29.8,28,26.8,28.9,29.8,30.9,31.1
1943,31.6,32.8,32.6,32.4,29.5,28.3,27.5,26.8,27.8,29.6,31.3,31.4
1944,30.1,32.6,32.7,32.1,30.4,29.9,28.2,27,28.5,29.6,30.5,31.6
1945,32.5,32,31.9,32.2,30,29.8,27.9,26.6,28.4,29.2,30.5,29.9
1946,32.5,32.6,32.8,33.1,30.2,28.7,27.5,26.5,27.3,28.8,30.7,30.4
1947,31.3,34.8,32.3,32.6,30.7,29.8,27.9,27.7,28.3,29.6,30,31.1
1948,31.3,32.5,31.4,32.2,30,28.7,27.1,27,28.4,29,29.9,30.6
1949,31.5,32.7,33.3,32.9,30.9,30.1,27.9,27.3,29.1,29.5,30.7,29.6
1950,31.7,31.6,31.9,32.3,30.4,30.3,27.2,26.1,27.4,28.6,29.9,30.9
1951,30.3,31.8,32.3,32.4,29.7,29.2,27.1,27.1,27.6,28.8,29.8,31
1952,30.9,31.9,32.2,32.7,29.8,29.2,26.7,26.2,27.4,28.2,29.3,30.6
1953,30.9,32.2,32.1,31.9,28.9,28.4,26.5,26.6,27.9,28.7,29.6,30.1
1954,31,32,32.2,32.7,29.2,28.8,27.1,26,27.4,28.3,30,30.8
1955,30.7,32,32,32,29.5,28.4,26.6,26.4,27.4,28.2,29.4,30.1
1956,30,32.6,32.7,32.2,29.7,28.8,27.2,26.1,27.1,27.8,29.4,30.3
1957,30.2,31.6,31.5,32.5,29.8,28.8,26.6,27.3,27.6,28.5,30.3,31.2
1958,31.5,32,32.5,33.1,29.9,28.7,27.3,27,27.5,28.5,30.3,31.3
1959,30.6,32.2,32.3,32.8,29.6,28.9,27.2,27.1,27.8,29.1,29.7,31
1960,30.6,32.2,31.9,32.3,29.6,29,26.8,27.9,28,28.8,29.8,31.7
1961,29.9,32,32.4,32.5,29.8,28.3,26.4,28,27.8,29.2,29.9,30.7
1962,30.4,33.1,31.6,32.4,29.6,28.4,27.1,27.2,27.7,29,29.9,30.1
1963,31.8,32.3,31.8,32.5,30.3,30.3,28,27.5,28.9,29.2,30.3,31.2
1964,31,33.2,32.2,32.8,30.1,28.8,27.1,26.9,27.3,28.6,29.2,29.1
1965,29.3,31.7,32.4,32.1,30.6,28.9,27.7,27.4,28.3,29.3,31.1,30.9
1966,31.8,32.9,32.5,32.6,29.4,28.8,28.3,27.7,27.6,28.7,29.4,30.9
1967,30.4,32.4,32.1,33.1,30.1,28.3,26.6,26.4,27.6,27.9,29.4,30.7
1968,29.7,32.7,31.9,31.8,29.6,28.3,26.9,28.2,28.6,30,29.1,29.7
1969,31.1,34.3,32.3,32.9,30.5,29.6,26.8,27.8,28.3,29.1,30.3,30.9
1970,31,32.8,32.9,32.6,30.1,29.7,27.1,27.1,28.1,28.9,30.5,30.5
1971,30.9,32.8,32.9,32.2,31,29,27.5,26.8,27.7,28.8,30,29.3
1972,31.7,33.3,32.1,31.8,30.4,28.6,28.2,27.6,29,29.9,30.5,30.5
1973,31.2,33.3,32.2,33.1,30.7,29.3,28.6,27.5,28.5,29.4,30.4,30.4
1974,30.2,31.8,32.6,31.7,30.1,28.8,26.9,26.8,27.5,28.7,29.8,29.6
1975,29.7,31.9,31.8,31.4,29.8,28.6,27.5,25.8,28.2,28.8,29,29.3
1976,30.3,31,31.2,31,29.8,28,27,26.3,28.5,28.8,28.8,30
1977,30.6,32.3,32.4,32.7,31,28.6,27.4,26.5,28,29.4,30.8,29.9
1978,31.7,33.3,32.4,30.8,30.3,28.4,26.8,26.9,28.3,28.7,30.1,31.8
1979,32.4,33,32.5,32.4,30.6,28.7,27.5,26.5,28.8,29.6,30.4,30.2
1980,32.1,32.6,32.6,32.2,30.2,29.2,27.6,26.7,28.8,30.1,30.5,29.3
1981,31.5,33.7,32.7,32.7,30,29.3,26.3,27.2,28.4,29.1,29.8,31.5
1982,30.6,31.9,32,32.7,30.7,28.6,27,26.4,27.9,28.9,29.3,31.1
1983,28.4,34.1,33.2,32.7,31.3,28.9,26.9,27.1,28.7,29.5,30.5,29.6
1984,31.4,32.6,32,32.9,29.6,29.1,28.2,28.6,28.2,29.1,29.8,29.8
1985,30.9,32.5,32.5,31.2,30.2,29,27.7,27.6,28.6,29.4,30.5,29.2
1986,31,32.8,31.9,32.6,30.8,29.4,26.5,27.3,28.4,28.6,30,29.8
1987,32.3,33.5,32.3,32.9,31.2,30.1,28.5,28.1,29.1,29.1,31.7,31.3
1988,30.6,33.3,32.9,32.6,30.7,28.7,27.4,26.9,27.6,29,31.1,29.2
1989,30.3,32.4,32.5,31.6,30.4,29.4,27.4,27.9,28.1,28.3,31,30.7
1990,31,32.1,33.3,32.4,30.3,29.9,26.9,27.1,28.4,29.4,30.3,29.8
1991,30.7,32.9,32.5,32.3,29.7,29.8,27.3,27.2,28.9,29,30.2,30.6
1992,31,33.5,33.2,32.8,30.1,28.8,27.1,27.1,27.8,28.9,30.6,30.9
1993,30.9,33.1,32.8,32.6,31,29,27.5,27.6,28.8,29.7,31.2,30.8
1994,30.8,32.1,32.8,32.5,30.4,29.2,27.3,27.3,28,29.4,30.9,30
1995,31.9,32.4,31.2,32.8,30.9,29.4,28.6,27.8,28.6,29.9,31.3,31.5
1996,31.5,34.1,33.5,32.2,29.6,29.1,28.7,27.4,28.4,29.3,29.9,30.5
1997,31.3,32.7,32.1,31.2,30.1,29.1,27.3,28.2,29.6,30.3,31.4,30.7
1998,31.7,34.5,34.7,33.7,31.1,30.5,27.7,27.4,28.8,29.8,31.6,31.4
1999,31.1,33.4,33.4,32.6,30.3,29.3,27.7,27.4,28,28.4,30.8,31.5
2000,31.1,31.9,32.9,32.5,31.3,29.2,27.5,27.3,28.4,29.6,31.1,31.1
2001,30.8,32.5,32.5,32,30.5,29.1,27.8,26.8,27.5,28.3,31.6,31.4
2002,30.4,32.9,32.2,32.2,30.8,29.4,28,27.8,28.5,28.4,31,31.1
2003,31.6,34.5,32.6,33,30.9,28.9,27.7,27.4,28.6,29.8,31.3,30.8
2004,31.3,32.6,33.3,32.2,30.3,29,27.3,27.6,28.8,29.8,31,31.7
2005,31.2,34.8,34.1,32.9,30.6,28.4,27.4,27.5,28.9,29.5,30.7,31.6
2006,32.5,33.1,32.6,32.5,30.8,29.8,28.2,27.6,28.4,29.4,30.4,29.7
2007,30.6,33.5,32.8,32.1,30.7,29,27.9,28,28.6,29.3,31.4,31.1
2008,30.1,32,32.6,32.2,30.3,29.3,27.5,27.6,28.7,29.6,31.3,31.3
2009,31.8,33.6,33.2,33.3,31.4,29.6,28,27.7,28.9,29.3,30.1,31.3
