1901,31.6,32.3,32.7,33.3,31.6,30.8,30.5,30.3,30.1,30.9,30.9,30.7
1902,30.3,32,32.6,32.9,32.1,31.6,30.7,30.3,29.9,31,30.8,31.8
1903,31.8,31.1,33.7,34,32.6,30,30.3,29.7,29.6,30.4,29.4,27.6
1904,28.7,30,32.2,32.2,31.9,30.8,30.3,30.5,30.5,31.2,29.9,29.5
1905,32.3,32.9,33.1,34,32,30.8,30.6,30.9,30.6,31.4,31.2,33.6
1906,33.1,33.3,33.3,34.7,33.3,31.4,30.9,30.9,30.9,30.8,29.9,30.8
1907,30.9,31.9,31.8,32.9,31.5,30.5,30.4,29.9,30.4,30.8,30.8,28.7
1908,30.9,31.4,32.2,33.1,31.8,30.7,30.4,30,30.3,31,29.4,30.3
1909,31.1,31.8,32.4,32.9,31.6,30.8,30.1,30.3,30.4,31.2,29.7,29.4
1910,31.7,30.7,31.7,32.8,31.8,30.4,30.5,30.3,29.7,30.7,30.4,29
1911,30.4,31,32.3,33.4,32.2,30.8,30.5,30.8,30.7,31.2,32.2,31.9
1912,31.6,31.9,33.8,33.4,33.5,31.5,30.1,29.7,30.1,30.5,29.2,30.2
1913,30.3,31.9,32.8,33.8,31.1,30.3,29.5,29.8,30.1,30.6,29.8,30.2
1914,30,32,32.7,33.8,33.2,30.6,29.9,29.8,30,30.4,30.8,31.2
1915,30.9,32.7,32.9,33.3,31.9,30.9,30.2,30.4,29.8,30.4,29.5,28.1
1916,29.3,31.1,33,33.2,31.9,30.2,30.2,29.9,29.8,30.1,28.8,29
1917,30.7,31.2,31.3,33.6,32.1,29.9,29.9,29.4,29.5,29.7,29.5,29.2
1918,30,29.6,31.5,32.1,31.2,30.6,30.8,30.1,30.5,30.9,31.4,31.7
1919,31.6,32.1,33.6,33.3,32.1,30.2,30,29.9,30,30.6,30.1,30.7
1920,29.2,31.6,32.7,33,32.5,30.7,30,30.4,30.2,30.2,31,30.6
1921,30,30.7,32.4,32.6,31.2,30.4,29.3,29.8,29.4,30.3,29.2,30
1922,31.3,31.9,31.3,32.9,32.2,30.5,29.3,29.7,30.5,30.4,29.5,29.5
1923,30.1,30.2,31.8,32,30.9,30.1,29.1,29.1,29.6,30.2,30.6,30.8
1924,31.2,31.5,32.5,32.4,31.8,30.4,29.2,29.8,29.7,29.8,31.1,28.4
1925,31,30.4,32.3,31.7,31.9,30.4,30,30,30.1,30.2,30.4,28.9
1926,31,31.7,32.2,33.7,32.8,31.1,30.2,29.6,30.1,30.2,30.3,30.7
1927,30.7,31.5,33,32,31,30.2,29.7,29.7,29.9,30.1,30.6,30.4
1928,32.4,31.1,32.7,32.2,31.7,30.1,29.9,29.9,29.7,29.8,29.9,30.9
1929,31.5,31.1,31,32.2,32,30.1,29.4,29.7,29.9,30.2,30.1,31.5
1930,31.1,31.1,31.3,32,31.9,30.6,29.7,29.9,30.5,30.6,30.4,30.8
1931,31.9,30.7,33.6,33.7,32.4,30.9,30.3,30,29.9,29.6,29.6,30.1
1932,29.8,31.7,31.9,33.1,32.6,31.2,30.1,30.9,30.2,30.7,30.9,29.6
1933,31.1,32.3,32.3,33.2,32.6,31.2,30.1,30.9,30.5,30.8,29.4,30.3
1934,30,30.4,32.1,32.9,32.8,31.4,30.2,30.1,30.5,30.4,31,29.2
1935,32.2,32.4,33.4,33.4,32.1,31,30.1,30.5,30.3,31.4,31.5,31.2
1936,30.6,31.5,32,33.6,32.6,30.9,30.4,30,30.5,30,30.8,32.7
1937,32.5,32.7,34,33.7,30.9,30.2,29.4,29.8,29.5,29.8,29.9,30.8
1938,31.9,32.6,32.8,32.9,31.1,29.8,29.6,30.7,30,30,30.5,30.7
1939,31.3,32.9,32.4,33.2,31.9,30.6,30.6,30.2,30.3,31.5,30.9,27.6
1940,31.3,32.7,33.1,35,32.7,31.4,30.8,30.1,31.1,32.8,31.9,31.9
1941,33.9,32.9,34,35,33.4,30.9,30.4,30.5,31.4,31,32.2,32.3
1942,30.6,32.1,33.4,33.5,31.8,30.6,30.2,30.2,30.4,30.4,30.2,30.6
1943,30.9,31.9,33,31.9,31.8,30.6,30.2,30.4,29.5,30.4,30,30
1944,32.1,32.7,33.1,34,32.2,30.8,29.9,30,30.4,30.8,30.3,29.4
1945,31.9,32.9,31.9,33.1,32.1,30.9,30.5,30.8,30.5,30.3,31.8,31.8
1946,32.2,31.4,33.5,32.6,31.5,30.9,30.7,29.9,30.5,31.7,31.5,33.2
1947,33.8,33.5,33.5,33.6,33.4,31.4,30,30.5,31,31.5,31.2,31.8
1948,31.4,33,33.6,33.1,33,31,30.7,30.4,30.5,30.9,30.2,31
1949,31,32.4,33.6,33.1,33.2,31.6,30.8,30.5,30.3,30.9,30.7,32.2
1950,31.8,31.9,33.9,33.5,32.6,29.8,29.3,30.9,29.4,31,30.9,29.1
1951,31.6,32.1,33,33.7,32.6,31.1,30.2,30.3,30.8,31.4,31.6,30.6
1952,32.5,32.9,33.1,33.5,32.7,30.9,30.8,29.8,30.7,30.4,31.3,29.7
1953,32.1,32.9,32,33.3,32.2,30.9,30.3,30.6,30.6,32.4,30.5,30.2
1954,32.4,32.5,33.2,33.9,31.7,31.3,30.5,30.3,29.4,31.4,30.6,30.8
1955,31.1,32.8,32.6,32.8,32.3,29.7,30.9,30.9,31.1,31.1,28.3,29.8
1956,29.9,32,32.9,32.7,31.4,30.8,30,30,29.9,31.3,28.8,29.5
1957,31.7,31.3,31.8,32.8,33.2,31.1,30.6,30.2,29.7,30.1,31.5,31.7
1958,32.2,31.7,33.5,34.4,33.4,31.2,30.4,30.6,30.1,30.3,29.9,30.8
1959,31.9,32.8,31.9,32.6,33,31.9,30.1,29.9,29.7,30.3,31.4,32.5
1960,32.3,32.9,33.4,34.2,32.4,30.7,30.7,30.1,30.1,30.3,31,30.4
1961,31,31.1,32.5,33.3,31.4,31,30.2,29.9,30.1,30.1,30.6,31.9
1962,30.7,31.6,32.4,33.3,32.1,30.6,30,30.1,29.7,31.1,31.8,31.5
1963,29.9,31.8,32.1,33.6,33.4,30.9,30.4,29.8,30,30.5,31.7,30.7
1964,32,33.3,33.3,33.8,31.3,30.6,31.3,29.9,30.1,30.7,28.7,29.4
1965,30.5,31.8,32.1,33.4,32.3,29.9,30.1,30.2,29.6,31.1,31.2,31.7
1966,32.7,32.5,33.3,33.7,31,31.2,30.2,29.8,30.5,31.8,31,30.4
1967,28.4,32,32.6,32.8,32,31,30.3,29.4,30,30.1,31.2,30.1
1968,30.5,30.6,32.1,32.1,31.7,30.9,30.2,29.5,30.4,31.3,32.1,33.1
1969,32,31.8,32.9,33.1,31.9,30.6,29.2,30.5,29.6,31.3,29.8,29.7
1970,31.7,31.7,32.8,32.6,32.2,30.6,29.8,29.8,30.4,30,30.5,29.7
1971,29.4,31.6,31.7,32.8,31.6,29.7,29.7,30.1,30.3,30,28.8,30
1972,30.3,31.5,32,31.8,33.2,31,30.4,30.2,30.3,32.1,31,30.5
1973,31.4,32.9,32.9,33.7,32.9,30.6,30.5,30.2,30,30.8,28.8,28.5
1974,30,30.5,31.2,32,31.2,30.7,30.2,29.7,30.9,29.8,30,30.5
1975,30.6,31.6,32.6,33.2,31.8,29.4,30.4,29.6,30.3,30,30.4,28
1976,31,30.6,31.2,32.9,30.7,30.9,30,29.7,29.7,31.1,29,31.4
1977,31.6,31.4,32.1,33.3,32.1,31.9,30.1,30,29.9,31.9,30.7,31.3
1978,31.4,31.3,33.2,33.1,32,30.7,30.1,29.6,29.5,31.1,31.2,31.8
1979,32.4,32.7,33.9,33.7,32.7,30.8,30.4,30.6,30.8,32.4,32.1,32.1
1980,32.8,32.6,33.1,33.7,33.4,30.5,30.4,30.1,29.7,30.5,31.1,31.1
1981,31.7,31.9,31.9,31.7,31.2,29.8,30,29.6,30.8,30.7,30.6,30.2
1982,32.7,31.9,32.2,32.2,31.6,29.9,29.6,28.9,29.2,31.4,32.6,31
1983,31.8,32.1,32.6,33.8,31.7,30.4,29.8,29.6,30.1,29.5,29.2,29.7
1984,30.2,31.9,32.6,32.8,31.2,29.9,30.5,29.8,29.8,30.4,31.1,31.4
1985,31.7,32,32.6,32.1,31.1,29.9,29.7,29.9,29.9,30,31,30.8
1986,30.1,31.6,32.3,32.6,31,30.5,30.4,29.8,30.2,30.5,30,30.4
1987,31.6,31.7,32.3,33.1,32.5,31.3,31,30.8,30.4,31.4,30.7,28.6
1988,31.9,31.9,32.7,32.8,31.6,30.7,30.8,30.5,30.8,29.3,29.1,30.1
1989,31.6,31.2,32.3,33.3,31.8,30.7,30.6,30.2,30.3,30.4,30.7,30.7
1990,31.6,32.2,31.8,33.7,32.1,31.1,30.8,30.4,30.4,30.5,30.4,31.2
1991,33.1,33,33.5,33.8,33.5,32.1,31,30.1,30.4,30.7,31.5,31.8
1992,30.7,31.7,33.2,34.6,33.7,31.8,30.7,30.7,30.8,29.8,30.5,31.5
1993,30.9,31.7,31.9,33.1,33.4,31.9,31.5,30,30.4,31.5,31.7,30.4
1994,32.5,32.7,32.6,34,32.5,30.6,30.4,29.9,30.3,31.3,31.8,32.8
1995,32.2,31.3,32.4,33.4,32.9,31.6,31,30.4,30.4,30.5,31.4,29
1996,30.9,31.5,32.7,32.9,32,31.5,30.4,30.7,29.8,30.6,30.2,29.6
1997,30.6,31.5,32.4,32.3,32.6,31.9,30.1,30.7,30.7,31.4,31.9,32.7
1998,33.1,33,34.2,34.4,33.7,31.8,31.6,31.4,30.2,31.2,31.2,30.5
1999,29.7,32.4,32.2,32.6,30.9,30.4,30.3,30.4,30.4,30.7,30.1,27.7
2000,31.5,31.8,32.6,32.2,32,30.7,30.4,30.5,30.7,30.1,30.6,31.7
2001,31.3,32.2,31.3,33.6,31.7,31.1,30.8,30.2,31.2,31,29.7,28.7
2002,31.4,32,32.6,33.1,31.6,31.3,30.9,30,30.1,31.8,31.9,32.7
2003,32,32.3,32.4,33.8,32.4,31.5,30.1,30.9,30.4,30.9,32.9,30.9
2004,31.6,31.1,33.2,33.8,32.8,30.7,30.5,30.4,30.4,32.2,32.7,31.9
2005,31.1,32.5,32.6,33.4,32.6,31.7,30.9,30.9,30.5,31.2,31,29.6
2006,31.9,32.9,32.8,33.4,32.3,31.3,30.6,30.2,30.6,31.2,32.4,31.7
2007,31.8,31.7,32.8,32.8,31.3,30.4,30.9,30.7,30.7,30.6,30,32.4
2008,31.7,31.2,32.3,32.5,31,31.1,30.7,31.1,30.4,31.4,29.7,30.5
2009,30.2,32.6,32.3,33,31.6,31.6,30.6,31.5,30.4,30.6,31.6,32.4
