1901,30.6,31,30.7,30.6,30.6,29.9,30.4,32.5,32.9,32,31.2,30.5
1902,30.5,30.3,30.7,30.6,30.7,29.8,30.8,32,32.9,31.9,31.6,30.8
1903,30.9,31.5,30.8,30.1,29.9,29.5,30.3,31.7,32.7,31.5,30.8,29.7
1904,29.9,30,30.1,30.1,29.7,29.8,30,32,32.4,31.5,31.4,30.5
1905,30.4,30.9,30.3,30.5,30.4,30.2,30.6,32,32.4,32,31.5,30.4
1906,30.5,30.8,30.7,30.7,30.3,29.3,30.2,31.9,32.7,31.3,31.5,29.9
1907,30.2,29.9,30.9,30.1,30.2,29.7,30,31.9,32.7,31.6,31.4,30.7
1908,30.7,30.4,30.8,30.5,30.4,30.1,30.1,31.5,32.3,31,31,30.3
1909,30.2,30.1,30.7,30,30.4,29,29.9,31.5,32.7,31.6,31,30.2
1910,29.8,30,29.7,30.3,29.8,29.9,30.1,31.8,32.6,31.2,31.5,30.1
1911,30,31,30,30.7,30.1,29.5,30.5,32.1,33,32.2,31.6,31.3
1912,31.4,31.1,31.6,31.1,30.7,30.4,30.1,32.2,32.4,31.7,30.9,30.3
1913,30.5,31,30.8,30.2,29.8,29.6,30.5,31.6,32.1,31.6,31.7,31
1914,31,31.5,31.3,30.6,30.9,30.2,30.8,32.4,32.8,31.5,31.2,31.4
1915,31.7,31.4,32.3,31.8,31.5,29.8,30.4,32.3,32.4,31.9,30.9,30.6
1916,30.6,30.2,30.5,30.2,29.9,28.6,29.3,31.2,32.5,31.1,30,29.7
1917,29.8,29.4,30.4,29.7,29.2,29,29.8,31.5,31.6,31,30.8,29.1
1918,30.4,30.3,31.5,29.9,29.6,30.6,30.6,33,33.2,32.2,32.2,31.6
1919,32.2,32.7,31.7,30.7,31.4,29.9,30.6,31.8,33.8,32.5,32.2,31.5
1920,31.5,31.6,31.5,30.9,30.5,29.4,30.7,31.8,33.4,33,32.8,32
1921,31.1,30.6,31.2,30.5,30.5,28.3,30,31.5,32.6,32,31.8,31.9
1922,31.8,31.8,31.6,31.1,30.1,30,30.6,32.1,33.2,31.7,31.8,31.4
1923,30,30.5,30.7,30,30.4,30,30.6,32.3,33.2,31.9,32.1,30.7
1924,32,31.1,31.2,30.9,30.2,29.6,30.3,31.7,32.3,31.4,31.1,30.1
1925,30.2,29.7,30.1,30.6,31,30.2,30.2,33,32.4,32.7,32,31.5
1926,32.3,32,31.1,30.8,30.6,30.4,30.3,32.5,33.6,33.4,33.3,32
1927,31.8,31.4,31.6,30.7,30.3,29.9,30.2,32.2,33.6,33.3,33,32.4
1928,32.1,32.1,30.9,30.8,31.3,30.2,30.2,32.3,33.3,32.5,33.2,32.1
1929,32.2,31.7,31.6,30.7,30.7,30.3,30.3,32,33.1,32.7,32.6,31.8
1930,31.2,31.1,31,30.8,30.2,30.1,30.3,31.7,32.3,32.8,32.6,32.5
1931,32.4,32.2,31.1,31.1,31.1,30.3,30,32.6,33.2,33,33.3,31.6
1932,31.5,31.9,31.3,30.7,29.5,29.2,30.8,32.5,33.4,33,32.7,31.8
1933,31.8,31.3,31.6,30.6,30.4,29.8,29.7,32.3,33.6,31.9,32.2,32
1934,31,30.2,31.5,30.5,30.7,30.3,30.4,31.6,32.5,32.7,32.4,31.9
1935,31.5,31.4,31.8,30.5,30.1,29.8,30.4,31.7,33.2,33.4,32.7,32.2
1936,31.6,31.9,31,30.8,31.3,29.8,30.4,32.1,33.4,32.9,32.4,32
1937,31.4,31.1,31.4,31.5,31.1,30.8,31.7,33.5,33.9,32.8,33.4,32.1
1938,31.9,31.5,31.8,31.6,31,30.2,31.4,32.9,33.8,32.7,32.7,31.9
1939,31.4,31.5,31.8,32.2,31,31.3,31.6,32.2,33.5,33.4,32.8,31.8
1940,31.7,32.4,32.2,31.6,31.6,31,32,32.6,34.1,33.7,33.7,31.9
1941,32.5,31.6,32.6,32.1,31.8,30.8,31.6,33.7,34.6,34.3,33.8,32.7
1942,33,32.6,32.2,32.4,32.2,31.4,31.9,34.3,34.6,34.2,34.1,32.6
1943,33.2,32.4,32.1,32.5,32.2,31.5,32.3,33.6,34,34.2,34,32.4
1944,32.3,31.9,31.1,32.6,32.5,32.1,31.4,33.8,34.6,34.1,33.4,32.8
1945,32,31.4,31.5,31.9,31.5,29.7,31.7,33.8,34.3,32.8,32.9,31.3
1946,32.1,31.9,31.9,30.6,30.2,30.9,29.9,32.9,34,33.5,31,29.4
1947,31.6,31.3,32.3,31.4,31.2,29,29.2,30.1,34.2,33.3,32.6,30.1
1948,32.7,30.2,29.6,29.9,31.2,30.6,30.1,33.5,34.1,32.7,32.5,31.1
1949,30.7,30.4,30.8,30.1,31.6,31,29.4,32.8,33.8,33.2,33.3,32.3
1950,30.2,30.9,30,30.4,31.1,30.8,30.5,33.4,34.2,33,33.3,30.3
1951,30.5,29.8,30.6,30,31.2,30.1,30.2,32.3,33.8,32.6,31.5,31.2
1952,30.7,30.3,31.1,29.4,29.4,26.6,28.5,31.2,31.7,32.6,31.4,31
1953,30.4,30.7,30.2,30.4,29.7,29.6,27.9,32.5,33.9,31.6,30.9,30.9
1954,30.4,29.9,29.9,30.8,29.1,30.6,30,33.1,34,31.8,31.8,31.1
1955,30.8,30.4,30.6,30.3,29.4,30.4,29.1,32.3,33.9,32.9,32.6,31
1956,30.2,30.7,31.6,30,28.7,28.5,29.8,30.9,34.1,31.5,31.6,31.2
1957,30.7,30.2,30.8,28.9,30.3,28.8,27.8,31.2,31.9,31.7,31.1,31.1
1958,31,31.1,31.2,29.2,27.5,29.2,30.3,31.5,33.8,31.5,30.1,30.4
1959,30.6,30.6,30.8,28.8,28.6,28.1,29,30.7,31.9,32.5,31.3,31.6
1960,31.9,31.3,31.3,29,27.9,28,28.5,32.2,34.1,31.4,30.2,31.3
1961,31.6,31.5,31.6,31.4,30.5,27.5,31.1,35.2,35.8,33.9,32.6,31.8
1962,31.7,30.9,31.5,32.2,31.5,31.6,32.1,34.2,35.4,33.7,34.7,31.9
1963,31.7,31,30.9,32.2,30.8,30.5,31.1,34.9,35.3,34.2,32.7,31.5
1964,32.2,32.1,31,31.9,29.7,29.5,31.5,34,33.4,31.9,31.1,31.9
1965,32.2,32.2,31.7,31.6,30.9,31.8,31.1,32.4,34.2,33.5,31.6,31.3
1966,32,31.3,31,31.8,32.1,30.2,31.1,31.8,33.9,32.4,32.1,31.3
1967,31.2,30.8,30.9,31.1,32.1,29.3,31.6,33.3,33.5,32.9,31.8,31.8
1968,31.3,30.9,31.8,31.5,30.7,31.8,31.5,32.2,34.3,33,33.5,31.9
1969,32.2,31.7,31.8,32,33.2,30.4,31.2,33.5,35,33.8,32.9,31.1
1970,31.4,31,31.1,30.9,31.1,30.1,31,33,33.9,32,32.4,30.7
1971,30.5,30.6,31.2,30.2,29.1,28.8,30.6,31.9,33,31.3,31.4,32.1
1972,31.1,31.3,31.6,31.9,31.3,31.3,30,30.6,32.8,33,31.7,31.4
1973,31.2,30.6,31.5,30.6,29.8,30.2,28.6,30.5,32,31.9,31.2,30.1
1974,30,29.6,30,29.3,30.4,29.3,28.8,30.8,32.7,31.4,32.7,30.3
1975,29.7,30,30.5,30.2,31.2,31.6,31.4,32.8,32.3,33.5,32.6,32
1976,31.4,30.3,30.9,30.9,30.1,29.9,32,33.1,33.1,33.1,31.8,32
1977,31.3,31.6,31.8,31.2,29,30.2,30.6,30.5,32,31,30.8,30.2
1978,30,30.5,30.3,30,30.4,30.2,29.9,31.8,32.2,32,32.1,30.3
1979,31,30.6,30.3,30.8,30.8,28.9,30.3,32.2,31.8,32.2,33.2,31.2
1980,31.3,30.8,30.9,30,30.6,29.4,29.6,31.2,31.8,31.5,31.3,31
1981,30.2,30,30.7,30.7,32,29.2,29.6,31.5,31.7,32,32.2,31.2
1982,31,30.5,30.3,30.4,29.6,29.7,30.9,31.3,31.8,31.7,31.7,30.1
1983,31.7,32.1,31,31.6,30.6,27.5,29.6,31.3,31.7,32.5,31.6,31
1984,29.9,30.2,30.3,29.5,30.6,29.6,30.2,31.5,32.6,33.4,30.5,31.6
1985,31.2,30.4,31.2,28.2,31.5,31.4,31.3,31,32.4,32.7,32,32.2
1986,31.2,30.1,30.9,30.7,30.7,30.9,29.8,31.2,31.2,31.7,31.5,31.1
1987,30.9,31,31,30.1,29.2,29.1,31.7,30.9,32.9,33.1,32.5,30.8
1988,30.9,30.8,31.6,30.5,28.9,27.9,28.6,33.2,33.6,33.2,32.6,30.6
1989,29.8,30.1,30,30.1,29.4,29.4,29.1,32.3,31.1,31.6,31.9,31.4
1990,30,29.9,30.8,30.3,29.6,28.2,27,30.7,32,32.4,31.7,30.8
1991,30.9,30.6,31.2,30.9,30.6,29.8,29.9,30.4,33.9,32.7,31.2,30.7
1992,31,30.4,30.4,30.9,31.5,30.7,27.9,30.3,32,31.7,30.8,30.5
1993,30.3,30.1,30.5,30.4,30.3,30.2,29.8,30.5,32.4,31.7,31.7,31.8
1994,31.6,31.3,32.6,31.4,31.5,31.2,31,33.5,33.9,32.8,32.8,31.6
1995,31.8,31.5,31.5,30.2,28.6,30.6,30.2,31.8,33.7,33.6,32.5,31.9
1996,30.9,31.1,31.1,31.3,30.8,28.7,31.1,33.1,32.3,32.8,31.3,31.6
1997,30.9,30.7,30.8,30.9,30.7,30.1,31.6,31.1,34.2,33.2,32.3,31.5
1998,32.8,32.7,32.6,31.1,31.3,28.4,32.1,31.8,31.6,32.3,30.9,31.2
1999,31.5,30.6,31.1,29.6,29.1,28.8,30.4,30.2,34.6,31.5,32.5,30
2000,30.9,30.6,30.7,31.5,30.9,29.2,27.9,32.9,33.2,32,32.6,31.4
2001,31.3,31.4,30.6,31.4,29,28.6,30.8,33.3,33.1,32.8,32.6,30.9
2002,31.5,30.9,30.9,31.6,31.1,29.4,29.6,33.1,33.2,32.9,32.5,31.3
2003,31.2,30.8,30.8,30.7,30.7,31.6,31,29.9,32.5,32.5,32.3,31.4
2004,31.2,30.8,31.8,31.3,30,29.3,30.1,31.7,33.2,32.6,32.5,31.3
2005,32.3,31.1,31.4,31.5,31,31.7,30.5,32.9,31.7,30.8,31.8,31.6
2006,31.2,31.1,31.9,31.8,30.8,31.1,32.3,31.9,33.1,31.5,32,30.9
2007,31.1,31,31.4,31.3,28.5,30.9,30,31.4,33.3,32.7,32.1,30.8
2008,30.4,30.4,30.6,30.5,29.8,28.5,32.5,33.5,32.6,32.3,32.3,31.1
2009,31.1,30.8,31.4,31,30.8,28.9,30.2,32.3,32.7,33.1,32.7,30.5
