1901,31.1,30.7,32.9,34.9,34.4,32.3,31,29.7,31.3,31.3,30.9,29.8
1902,31.2,29.5,33,34.6,34.3,32.2,30.6,29.9,30.3,31.1,30.6,30.6
1903,31,30.4,33.5,34.9,35.1,33.9,31.8,31.5,31.7,31.5,30.7,29.7
1904,30.8,30.6,32.7,33.5,33.5,31.3,29.5,29.9,30,31.1,29.5,28.8
1905,30.8,30.8,33.6,34.7,34.4,31.3,29.6,30,29.7,30.6,30.1,30.3
1906,30.8,32,33.5,35.9,33.7,32.5,31.6,30.7,29.9,30.2,29.2,29.9
1907,30.1,30.6,33,34.6,34.7,32.3,30.7,29,29.9,31.4,30.7,29.2
1908,29.1,30.2,32,35.1,32.9,32.4,30.5,29.5,30.5,30.5,29.5,29.8
1909,30.8,31.2,33.1,34.9,34.5,32.7,29.6,31,29.8,31.1,30,28.9
1910,30.4,31,32.4,33.6,32.4,32.1,30.8,30.4,29.8,30.6,30.1,30
1911,30.8,30,32.4,33.5,33.5,31.9,29.4,29.6,30.6,31.1,30.4,30.3
1912,30.6,31.3,34.3,35.2,34.8,33.7,30.9,29.4,30,30.7,30.4,30
1913,30.6,31.1,33.1,34.1,33.3,32.9,30,29.7,29.6,30.6,30.5,29.9
1914,30,30.1,33.4,34.9,34.6,31.5,30.4,29.9,29.5,31.2,31.4,30.8
1915,30.7,32.1,33.6,36.2,34.7,34,31.5,29.9,30.8,31.1,30.5,29.8
1916,30.3,30.5,32.6,33.9,33.5,31.3,31.2,30.5,29.5,30.4,30.4,29.7
1917,30.6,30.9,32.7,34.5,33.8,32.8,29.4,30.2,30.5,30.6,29.7,29.4
1918,28.7,29.1,31.7,33.3,34.1,31.9,29.7,29.6,30.3,30.2,30.5,29.8
1919,30.9,31.4,34,36,35,31.8,30.1,27.9,30.3,30.8,30,29.8
1920,30,31.1,33.2,34.7,33.4,31.6,29.5,30.4,30,30.6,30,29.3
1921,30.7,30.5,33,33.7,34.4,31.7,30.7,29,30.3,31.5,29.4,29.6
1922,30.9,31.2,33,35.1,33.4,32.4,29.5,29.9,30,30.9,30,29.5
1923,30.1,30.5,32,34.5,32.4,29.7,30,28.7,30.2,31,29.7,30.1
1924,30.6,31.5,33.1,35.2,35,31.8,29.5,29.4,30.8,30.3,29.3,29
1925,31,30,32.8,34.1,33.6,30.4,29.6,29.8,29.8,29.9,30,28.9
1926,30.1,31.2,33.3,35,34.7,30.7,30.4,29.2,29.8,30.3,29.7,29.5
1927,30,31.3,33.2,34.7,33.4,31.3,30,29,30.9,30.6,30.5,30.1
1928,31.2,31.3,32.7,34,33.7,30.7,30.3,30.9,29.5,30.2,29.6,29.9
1929,29.7,30.9,32.2,34,33.8,32.1,29.3,28.8,30,30.1,29.5,29.8
1930,30.2,30.3,33.3,34.4,32.4,31.2,29.4,29.5,30.6,31.1,30.3,29.8
1931,30.9,31.8,33.8,34.9,34.6,31.8,30.6,28.8,30.3,30.3,30.2,29.4
1932,29,29.9,32.3,34.9,34.2,31.5,29.9,30.3,30.3,30.4,29.5,29.4
1933,29.9,30.6,32.4,34.3,34.1,31.6,29.8,29.8,29.5,29.9,29.7,29.3
1934,29.5,29.4,32.1,33.1,31.5,31.7,30,29.5,29.2,30.2,29.6,29
1935,29.8,30.5,32.7,34.2,32.7,32.2,29.7,29.9,29.5,30.7,29.7,29
1936,30.1,31.3,32.7,34.1,34.8,31.8,30.1,29.4,29.4,30.2,29.8,30.2
1937,30.9,31,33.3,34.7,33.6,31.9,29.4,29.4,29.9,30.3,30.2,30
1938,30.4,31.1,33.6,33.8,33,31.2,30.4,31.2,30.7,30.8,29.6,29.7
1939,30.1,30.2,33.1,34.6,32.9,32.2,30.1,29.6,30.3,30.8,30.1,27.8
1940,30.2,30.2,33.2,35.3,34.8,32.1,30.3,29.8,30.8,31.2,31.1,29.8
1941,30.7,31.1,32.6,33.9,33.6,31.7,30.5,30.4,30.4,30.7,30.6,30.2
1942,29.8,31.1,33.1,34.2,33.4,31.6,30.2,29.8,30.4,30.7,30.3,29.4
1943,29.3,30.2,32.4,33.2,33,31.1,30.1,29.6,30.6,30.5,30.3,29.6
1944,29.9,30.4,31.8,33.8,33.5,31.4,30.3,29.7,30.7,30.7,30.7,29.2
1945,29.7,30.4,32.3,33.5,32.5,31,30.1,29.5,30.1,30.1,30.8,29.6
1946,29.5,31.3,32.8,34.7,34.6,31.6,30.3,30,29.8,31,31.7,30.9
1947,32.2,31.3,33.7,35,34.2,32.1,30.3,29.7,30.7,31.3,30.4,30.5
1948,30.5,31.8,33.3,35.3,34.7,32.5,30.8,30.5,30.5,31.7,30.5,30.8
1949,29.1,30.3,30.8,32.9,33.5,32.2,30.3,30.1,30.4,30.1,29.7,29.2
1950,29.2,30.6,31.6,34,33.2,30.9,29.4,30.4,30,30,30.3,28.2
1951,30.4,31.1,33.3,35.1,33.2,31.9,31.6,30.6,31.1,32.1,30.6,29.8
1952,30.7,31.6,33.3,34.7,34.6,32.2,31,29.1,30.6,31,30.8,29.6
1953,30.2,31.2,33.9,34.9,33.6,31.5,31.1,30.3,31.4,31.2,30.6,29.3
1954,30.8,31.7,32.4,34.9,34.6,32.5,32,29.7,30.7,31.2,29.8,29.2
1955,29.7,30.6,32.7,34.4,34.4,31.7,31.2,31.5,31.3,30.9,29.8,28.9
1956,30,31.2,32.3,32.7,32.4,32,31.4,29.8,29.4,31.1,30.5,28.9
1957,29.3,30.1,32.6,33.8,34.5,32.3,31.2,30.5,30.7,30.6,29.9,30.7
1958,31,31.4,33.4,33.7,33.5,30.6,30.3,30.6,29.6,30.6,29.9,29.8
1959,29.4,31.4,32.1,33.4,33.4,32.9,30.7,29.4,30.6,30.4,29.7,29.7
1960,29.9,30.3,33,33.2,32.8,30.6,31.3,29.4,29.9,29.7,30.5,29.9
1961,29.1,30.6,32.3,34,32.7,31,29.5,29.2,30.1,30.1,30.2,30.5
1962,29.7,30.2,32.7,33,33.8,31.8,29.2,30.4,29.1,31.4,29.8,29.3
1963,27.8,29.4,31.8,33.4,34.7,29.8,30,29.9,29.7,30.9,31,30
1964,30.7,30.8,32.7,34.4,33.5,31.7,31,29.9,31.1,30.7,29.3,28.3
1965,28.4,30.7,31.2,33.5,32.5,30.5,29.2,30.5,30.1,31.6,30.8,30.5
1966,30.6,31.2,32.7,34.4,31.3,32.3,31.4,31.2,30.1,31.1,30.1,29.6
1967,29,30,31.5,33.5,33.9,30.8,29.7,28.6,29.9,30.2,29.7,28.9
1968,29.3,29.8,32.3,33.5,34.7,33.7,31.6,29.8,30.7,30.4,30.3,30.9
1969,30.7,30.9,33,34.9,34.7,32.7,31.1,31.5,30.6,31.4,31,30
1970,30.3,30.6,32.9,33.6,34.6,31.6,30.6,29.3,30,30.5,30.1,30.1
1971,29.2,31.1,31.3,32.8,32.4,30.4,29.4,30.4,30.3,29.8,30.3,29.8
1972,29.3,31.9,31.5,33.4,33,31.3,28.9,29,31.3,32,31.3,29.9
1973,30,31,32.6,34.4,35.2,32.7,31.5,30.6,31.8,30,29.2,29
1974,29.6,30.9,32.4,33.9,33.4,30.3,30.4,29.4,31.6,29.5,29,29.4
1975,28.7,30,32.3,33.1,33.7,31.3,31.8,29.2,30.6,31.1,30.9,28.8
1976,28.4,30.2,32.2,33.5,30.4,30.8,30.2,29.1,30,31.5,30.3,29
1977,29.7,30.2,31.9,34.4,33.2,32.1,30.6,29.6,29.5,31.5,29.4,28.7
1978,29.6,29.7,33.3,34.3,33.4,31.2,30.3,28.4,28.7,29,29.5,30.3
1979,31,32.4,33.8,34.3,32,31.2,30.7,30.2,31.6,30.1,31,30.3
1980,30.5,31.4,33.7,34.9,33.7,33,30.6,30.4,30.4,31,30.9,30.8
1981,28.9,29.9,31.8,33.9,33.1,29.8,29.7,29.2,31,30.4,30.5,29.4
1982,29.4,30.6,32.4,33.4,34.3,33,30.1,30.3,30.6,31.2,30.9,30.4
1983,30.7,31.2,33.1,34.7,34.2,33.2,32.4,31.1,31.5,30.4,29.8,29.3
1984,29.8,31,33,33.8,32.5,30.4,30.9,28.7,31.2,29.9,30.3,29.7
1985,29.8,31.9,33.2,33.1,33.6,30.5,30.7,29.7,30.7,31.1,31.3,30.1
1986,29.9,30.3,32.6,34.7,33,32.4,31.1,30.5,31.2,31.1,31.5,30.5
1987,30.9,31.3,33.7,35.2,35.1,32.4,31.4,31.6,31.3,32.8,31.7,30.6
1988,31.2,31.4,33.3,35.3,34.1,32.1,31.1,31.6,32.3,30.1,30.5,29.4
1989,31.1,30.1,32,34,33.3,31.8,31.4,29.8,30.8,31,30.5,29.4
1990,30.1,31.2,31.1,33.7,33,30.8,30.5,30.2,30.9,31.1,30.7,30.3
1991,30.6,31,32.2,33.5,34.6,32.9,31,29.6,30.4,30.9,30.2,30.4
1992,29.9,30.8,33.4,34.4,33.9,32.8,31.2,30,30.7,31.1,30.2,30.5
1993,29.1,30.5,31.4,34.4,34.7,33.5,30.7,30,29.9,30.1,30.8,28.9
1994,30.4,30.5,32.3,34,33.1,31.5,29.3,29.8,30.5,30.7,31,30.2
1995,29.7,30.2,32.5,33.2,32.9,32,30.4,29.5,28.9,30,30,28.5
1996,29.6,29.7,31.9,32.4,32.4,32.2,30.6,30.3,30.1,31.6,29.2,28.9
1997,29.5,29.9,31.8,33.6,32.6,31.3,29.9,29.8,30.5,31.7,32,30.8
1998,31.1,30.7,32.8,34.5,33.2,31.8,32,31.3,29.9,30.1,31,29.5
1999,29.9,30.5,32.2,32.7,32.6,30.3,29.5,29.6,29.4,30.2,29.6,28.8
2000,29.7,29.9,31.6,33.9,31.8,31.3,28.8,30.4,30.3,30.2,30.4,29.8
2001,30.5,29.6,32.6,34.2,32.5,31,30,29.4,30.3,30.7,30.4,29.4
2002,29.8,29.4,32.3,34,33.3,32.6,29.3,30,30.1,31.3,30.3,30.7
2003,30.2,29.8,32.5,34.7,32.3,30.8,31,28.8,29.6,31,30.7,29.3
2004,30.2,31.3,33.5,35.1,33.4,29.9,31.2,30.2,31.4,30.7,29.7,29.3
2005,31.6,31.3,32.2,33.6,33.7,31.5,31.1,29.9,29.9,31.2,30.9,29.4
2006,29.7,30.4,32.6,33.8,34.8,31.8,31.1,29,30.5,30.1,31.1,29.5
2007,30.2,30.8,32.9,33.8,33.9,32.6,31,30.2,30.4,30.5,29.5,29.9
2008,30.1,29.7,31.3,33.6,30.9,31.5,30.8,29.9,30,31,31.7,30
2009,28.6,31.2,32.3,32.2,31.1,29.6,29.7,29.8,29.9,29.6,30.3,29.3
