1901,30.8,30.9,30.8,31,30.9,31,31.3,32.4,32.7,32.7,32.2,31.6
1902,30.7,30.9,30.9,31,30.9,31,31.3,32.4,32.7,32.7,32.2,31.6
1903,30.8,30.9,30.9,31,30.9,31,31.3,32.4,32.7,32.7,32.2,31.6
1904,30.7,30.8,30.8,30.9,30.8,31,31.3,32.4,32.7,32.7,32.2,31.6
1905,30.8,30.9,30.9,30.9,30.9,31,31.2,32.3,32.7,32.6,32.1,31.5
1906,30.7,30.9,30.8,30.9,30.8,30.9,31.2,32.3,32.6,32.6,32.1,31.6
1907,30.7,30.8,30.8,31,30.8,30.9,31.2,32.4,32.6,32.6,32.2,31.5
1908,30.7,30.9,30.8,30.9,30.8,31,31.2,32.3,32.7,32.6,32.1,31.5
1909,30.8,30.8,30.8,30.9,30.8,30.9,31.3,32.4,32.7,32.7,32.2,31.6
1910,31.2,31.1,30.6,30.3,31,31.4,31.7,32.3,33.2,32.6,32.5,31.8
1911,30.9,31.5,31.5,31.3,31,30.9,31.4,32.6,33.2,33.4,32.9,32.3
1912,30.8,30.9,32.3,31.9,31.1,31.9,31.4,33.1,32.5,33.5,33.3,31.5
1913,31.1,32.1,31.4,31.6,30.8,31.5,31.7,32,32.9,33,32.9,32.4
1914,32.6,31.7,31.7,31.6,31.4,31.4,32.5,32.7,33.7,33.4,33,32.7
1915,31.8,31.7,32.2,31.8,31.9,31.1,31.4,32.7,32.6,33.1,31.8,31.6
1916,30.9,31,31.2,31.2,30.8,30.4,31.4,32.5,32.9,32.4,32.1,31.2
1917,30.6,30.7,30.5,30.2,30,30.5,31.2,31.6,31.9,32,31.8,30.6
1918,29.9,30.4,31.3,30.8,30.9,31.2,31.1,31.9,32.6,32.9,32.5,31.7
1919,31.1,31.6,31.5,30.6,30.9,31.8,31.6,31.8,32.1,32.3,32.6,31.3
1920,30.9,30.8,31.1,31,30.7,30.8,31,31.8,32.8,33.5,32.1,30.9
1921,30.5,30.5,30.4,30.4,30.5,30.6,30.2,31.9,32.3,32.7,31.7,31.7
1922,30.6,30.3,30.1,30.5,30,30.6,30.5,31.7,32,32.1,31.7,30.8
1923,29.6,30.6,30.2,30.1,30.1,30.7,30.6,32,32.2,33.2,32.3,31.2
1924,31.8,31.7,31.4,31.2,30.1,29.9,31.2,31.7,31.9,31.6,32.1,30.7
1925,30.2,30.1,30.2,30.9,31,31.1,31.3,32.2,32.1,33.4,32.7,32.5
1926,31.4,31.6,31.6,31,30.3,30.4,31.3,32.4,32.7,31.7,32.2,30.6
1927,29.9,29.8,29.8,30.1,29.9,30.2,30.1,30.9,31.4,31.3,31.4,31.3
1928,30.3,30.1,30.3,30.3,30.2,30.9,30.4,31.3,31.5,31.8,31.4,30.8
1929,30.3,30.4,29.8,29.8,30.1,30.9,30.3,31.5,32,32.4,31.6,30
1930,29.7,30,30.5,30.2,30.6,30.7,30.3,31.8,31.6,31.9,31.9,31
1931,31.6,31.1,30.7,30.7,30.8,30.8,31.4,32.2,31.8,32.5,31.6,30.9
1932,29.9,29.8,30.5,30.9,30.5,30.5,31.7,31.5,31.7,32.5,33,30.9
1933,30.3,30.3,30.2,29.6,30.5,29.8,30.2,31.8,32.1,31,30.4,30.1
1934,29.3,29.1,30,29.6,30.2,30.4,31.6,31.8,32.4,30.6,31.3,30.6
1935,30.6,30.5,30.1,30.1,30,30.7,31.6,32.5,32.5,33.5,31.4,31.4
1936,29.6,31,30.7,30.1,31.4,31.6,31.7,32.6,32.6,32.1,32.4,31.4
1937,30.5,30.5,30,29.9,30.4,31.1,31,32.7,32.3,31.9,32.8,32.1
1938,30.1,30.3,30.2,30.2,29.8,30.6,31.4,31.5,32,32,31.5,31
1939,29.8,30.2,30.3,29.9,30.1,31.4,30.5,31.7,31.7,32.5,33,31.9
1940,30.8,31.2,31,30.6,30.5,31.3,31.7,31.5,31.9,32.2,32.3,31.3
1941,30.1,30.8,31,31.2,31.5,30.8,30.9,31.7,31.7,32.3,32.6,31.7
1942,31.1,31.2,31,30.5,30.5,29.9,30.1,31.8,32.7,32.4,32.2,30.9
1943,30.2,30.1,29.4,29.5,30.8,30.2,30.7,30.9,31.9,33,32.4,30.7
1944,29.9,29.9,30,29.8,30.2,31.1,31.7,33.3,31.1,32.5,32.7,31.4
1945,30.7,30.4,30.9,30.1,30.5,30.7,31.5,33,33.2,32,32.2,31.2
1946,30.4,30.7,30.8,31,31.1,31.3,31.6,31.8,32.4,32.7,32.2,31.9
1947,30.8,30.7,30.9,30.3,30.3,31.3,31.3,32.3,31.9,32.2,30.8,31.1
1948,29.9,29.7,30.5,30,30.6,31.3,31.1,32.2,32,32.9,31.7,31.2
1949,29.6,29.7,30,29.4,30,30.6,30.9,31.4,32.3,32,31.5,31.7
1950,30.3,30.4,30.3,31,30.5,31.3,31.4,32.6,32.8,32.3,32.7,31
1951,30.7,31.2,30.8,30.1,30.3,30.9,31.9,32.9,33.1,32.5,32.6,31.9
1952,30.9,31.3,31.7,31.3,31,30.9,31.8,32.4,32.4,32.7,31.8,31.7
1953,30.7,29.9,30.2,30.4,31.6,32,31.3,32.5,32.1,32.6,32.2,31.5
1954,30.6,30.6,30.6,31.1,31.8,31.6,31.5,33.1,32.6,32.1,31.5,30.7
1955,30.6,29.6,29.6,30.2,30.6,30.7,31,32.5,31.9,32.9,31.6,30.3
1956,30.3,29.8,30.2,29.4,30.3,30.8,30.8,31.1,31.3,31.5,31.2,31.1
1957,29.6,31.3,29.1,30.5,30.8,31.3,31,32.4,34.5,32.7,33.1,32.5
1958,31.4,31.6,30.7,30.7,31.9,32,32.2,32.5,33.8,32.9,31.6,31.3
1959,30.4,30.1,30.2,30,30.9,30.7,32.1,32,32.2,32.7,31.3,32.2
1960,31.1,30.9,30.6,30.1,30.7,30.8,31.2,32.3,32.2,32.3,31.9,30.9
1961,30.8,30.5,31.3,31.3,31,30.6,31.9,33.7,33.7,31.8,32.3,30.7
1962,31,30.6,30.9,30.4,30.7,30.8,31.5,32.6,34.1,33.4,32,32
1963,31.9,30.3,30.7,30.9,31.4,31.3,32.3,33.7,34.3,34.4,31.6,31.3
1964,31.7,31.4,31,31,30.3,30.9,31.7,32.8,33.2,32.9,32.6,30.8
1965,30.9,30.7,30,30.4,30.7,30.6,32,33.1,33.8,33.6,32.2,31.6
1966,31.4,31.5,31.2,30.9,30.8,31.3,31.5,32.4,31.7,33.9,31.8,31.4
1967,29.8,30.4,30.4,30.6,30.8,31.3,32.1,33.3,34.3,33.5,32.4,32.5
1968,30.8,31.3,30.4,30.7,29.4,31,31.7,32.3,31.4,32.8,31.5,31.6
1969,31.2,31.7,31.7,31.6,31.6,32.2,31.1,32.4,33.6,31.9,33.6,31.3
1970,30.7,30.6,30.6,30.5,31.1,31.2,31.1,32.4,32.1,33.9,31.6,32
1971,29.8,29.8,30.1,30.3,30.1,30.5,31.4,32.1,32.9,32,31.6,33
1972,29.9,30.1,30.7,30.7,31.1,31.1,31.7,32.1,33.2,33.3,33.1,32.3
1973,31.4,31,31.6,31.2,30.3,31.4,31.1,32.1,31.7,32.9,32.2,31
1974,30.9,30.3,30.5,31.1,30.7,30.6,30.7,32.8,31.6,32.2,31.9,30.2
1975,30.6,30.2,30.4,30.5,30.7,30.7,29.7,31.7,32.6,32.9,32.3,31
1976,29.8,30.5,29.9,30.3,30.1,30.9,31.3,33.1,34,32.9,32.5,31.6
1977,31.5,30,30.2,30.4,30,30.5,31.8,33,33.9,31.9,32.6,31.8
1978,30.7,30.9,31,31,30.5,31,30.6,31.4,31.8,31.5,32.6,32.2
1979,30.6,31.9,30.6,31.4,31.6,30.8,32.1,33.3,32.5,32.5,32.3,31.2
1980,30.5,32.7,31.6,31.1,31.7,31,31.6,31.6,32.3,31.6,31.7,32.4
1981,30.1,30.7,31.4,31.7,31.3,31.4,30.4,31.1,31.2,33.5,31.8,32.4
1982,30.4,30.7,30.8,30.7,31.1,31.6,31.5,32.5,33,33.2,33.3,30.6
1983,31.9,31.2,32.5,31.7,32.3,31.5,31.3,31.4,32.4,31.1,31.4,29.8
1984,30.1,29.5,30.8,30.6,30.7,31.5,30.9,32,31.3,31.9,32.5,31.3
1985,31.4,31,31.3,32,31.1,30.5,30.8,31.5,32.3,32.4,31.2,30.7
1986,30,31,30.3,30.9,31.3,30.4,30.1,33.3,31.6,31.3,30.8,31.5
1987,30.2,30.7,31.7,31.6,31.5,30.9,33,32.3,33.4,34.1,33,33.1
1988,31.1,31.3,31.9,31.5,31,30.8,30.7,32.7,32.9,33.1,31.7,31.8
1989,30.5,29.7,30.1,30.5,29.9,30.9,30.4,32.3,32.6,32.3,32.4,32.1
1990,30.9,30.8,31,31,31.4,31.3,30.7,32.6,32.9,34.1,32.6,31.5
1991,30.5,31.4,30.7,31.1,31.2,31.6,30.9,31.7,31.7,32.9,33.6,32.4
1992,31.7,31.9,30.7,31.8,32.5,32.1,31.7,31,32.8,33,32.4,30.7
1993,30.8,30.6,30.7,30.7,31.9,31.8,31.3,32.3,32.7,32.1,31.2,30.9
1994,30.4,30,31,31.1,31,30.3,30.7,32.4,32.3,32.9,32.8,31.6
1995,32,32.2,31.9,31.2,31,30.9,32.1,33.2,32.9,33.4,31.7,31.7
1996,31.8,31.1,30.9,30.7,31,30.3,31.8,31.6,32.7,32.3,32.5,32.3
1997,30.5,30.5,30.1,31.2,31.2,32.7,34.1,33.1,31.3,35.4,33.1,32.2
1998,32,32.7,32.4,32,31.4,31.6,31.8,33.3,33,33.8,32.5,32.3
1999,30.4,30.1,30.3,30.3,30,30.8,31.7,32.2,33,33.5,33.4,31.7
2000,30.6,31.3,31,30.5,31.7,31.5,31.7,32.1,32.7,33.2,32.7,32
2001,30,31,31.8,31.3,32.3,30.4,31.9,33.8,33.3,34.8,34.2,31.9
2002,31.6,31.3,31.6,30.8,31.5,31.2,32.7,33.5,34.1,33.4,33,31.3
2003,32.4,31.9,31.6,31.4,31.5,31.9,32.2,32.5,33.1,33.4,33.5,32.4
2004,31.6,31.5,31.4,32,31.4,31.7,31.8,32.8,33.5,33.5,34.3,32.8
2005,32.4,31.7,32,31.6,32.2,32.7,32.4,34.1,32.3,34.5,33.9,31.5
2006,31.5,31.5,31.6,31.4,30.8,31.4,32.2,33.2,34.3,34.5,32.5,32.8
2007,31.1,32.5,31.3,31.4,31.9,32.1,32.3,32.1,32.7,33.6,33.4,31.5
2008,30.4,30.9,31.1,31.7,30.6,31.4,32.3,33.3,32.6,32.7,32.3,31.9
2009,30.5,30.6,31.2,31.5,30.8,31,32.6,34.1,34.8,34.8,34.6,32
