1901,31.6,34.2,35.4,36,32.4,30.8,30.6,30.1,30,30.5,30,29.8
1902,30.1,33.6,35.2,35.5,32.9,31.4,30.4,29.9,29.8,30.2,29.5,30.4
1903,31.2,32.5,35.9,36.5,33.6,29.9,30.2,29.3,29.5,29.9,28.3,26.4
1904,28.5,31.4,34.6,34.6,32.8,30.6,30.1,30.1,30.5,30.6,28.8,28.2
1905,31.5,34.1,35.4,36.3,33.1,30.6,30.5,30.5,30.6,30.8,30.1,32.4
1906,33,34.7,35.6,37.1,34.4,31.2,30.8,30.4,31,30.2,28.8,29.7
1907,30.7,33.3,34.1,35.3,32.3,30.5,30.1,29.6,30.3,30.2,29.6,27.6
1908,30.7,32.9,34.9,35.8,32.6,30.6,30.2,29.6,30.2,30.3,28.2,29.2
1909,30.9,33.3,35.1,35.5,32.5,30.6,30.1,29.9,30.4,30.7,28.7,28.2
1910,31.4,32.2,34,35.2,32.8,30.4,30.3,29.9,29.7,30,29.3,27.7
1911,30.2,32.4,34.6,35.7,33,30.7,30.2,30.3,30.5,30.5,30.8,30.5
1912,31.1,33.3,35.7,35.9,34.1,31.2,29.9,29.3,29.9,29.8,28.1,28.8
1913,30.3,33.7,34.9,36,32.2,30.4,29.4,29.3,30,29.9,28.6,28.7
1914,29.5,33.5,34.9,35.9,33.7,30.4,29.7,29.2,29.9,29.6,29.5,29.8
1915,30.7,34.1,35.1,35.4,32.5,30.7,29.9,30,29.7,30,28.5,26.8
1916,28.9,32.8,35.2,35.6,32.8,30,30.3,29.7,30,29.8,28.3,28.1
1917,30.3,32.8,34.1,35.9,33.1,29.9,30,29.3,29.7,29.5,29,28.2
1918,30,31.6,34.2,34.5,32,30.5,30.8,29.8,30.6,30.5,30.3,30.6
1919,31.5,33.7,35.9,35.7,33.1,30.1,30.1,30,30,30.3,29.4,29.7
1920,29.3,33.1,35.2,35.3,33.2,30.6,30.2,30,30.2,29.8,29.9,29.7
1921,30.4,32.4,35,35.4,32.3,30.5,29.4,29.7,29.6,29.7,28.5,29.1
1922,31.3,33.5,34.1,35.2,33.2,30.6,29.5,29.6,30.4,30.1,28.7,28.6
1923,30.5,31.5,34.6,34.4,31.8,30.2,28.9,28.9,29.5,29.6,29.6,29.7
1924,31.3,32.9,35.3,34.9,32.9,30.4,29,29.3,29.4,29.3,30.1,27.1
1925,30.7,32.2,34.9,33.9,32.7,30.5,30,29.7,30.3,29.6,29.5,28.2
1926,31.2,33.2,34.7,36,34,30.9,30.2,29.5,30.3,30,29.5,29.8
1927,30.7,33.1,35.2,34.5,31.9,30.3,29.9,29.6,30,29.7,29.6,29.4
1928,32.5,33.1,35,34.7,32.5,29.9,29.9,29.7,29.9,29.5,29,29.8
1929,31.6,32.7,33.9,34.7,32.7,29.8,29.6,29.6,30.1,29.9,29.3,30.3
1930,31.3,32.6,34,34.4,32.6,30.5,29.6,29.4,30.4,30.2,29.7,29.9
1931,31.6,32.3,35.6,36,33.6,30.9,30.4,29.8,29.9,29.3,28.5,29.4
1932,29.7,33.2,34.6,35.5,33.7,31.1,30.1,30.5,30.2,30.2,30.2,28.4
1933,31.6,33.5,35,35.5,33.4,30.7,30,30.1,30.3,30.4,28.6,29.1
1934,30.5,32.4,34.7,35.2,33.9,31.2,30,29.6,30.4,30.1,29.8,27.4
1935,31.9,33.7,35.6,35.7,33,30.8,29.9,29.8,30.3,30.9,30.4,30.5
1936,30.4,32.5,34.8,35.7,33.6,30.5,29.9,29.8,30.2,29.5,30.1,31.9
1937,32.2,34.1,36.3,35.6,31.1,29.7,29.3,29.7,29.7,29.9,29.3,29
1938,30.7,32.8,35,34.7,31.6,28.8,28.8,29.4,29.1,29.3,28.8,29.3
1939,31.2,32.9,34.6,35.9,32.6,29.8,29.5,29.7,29.8,30.2,30.1,26.9
1940,30.2,33.8,36.1,37.4,33.9,30.8,30.3,30.3,31.3,31,31.1,31.2
1941,34.2,34.7,37.6,37.6,34,31.8,31.1,30.7,31.2,31,30.8,31
1942,30.2,34.2,35.9,35,32.4,30.5,29.8,29.4,30,30.6,29.2,29.3
1943,30.5,32.6,35.6,34.1,32.9,30.4,30,29.9,29.5,29.8,28.8,28.6
1944,31.6,33.8,35.6,36.5,33.2,30.6,29.7,29.6,30.2,30.2,29.2,28.4
1945,31.9,34.3,34.5,35.4,33.2,30.9,30.3,30.3,30.5,29.9,30.6,29.9
1946,31.9,32.2,35.3,34.3,31.5,30.9,31,30.4,31,30.4,30.2,31.6
1947,34,34.4,35,34.1,34.5,30.7,29.9,30.4,31.4,31.8,30.3,30.9
1948,31.3,34.3,35.9,34.8,32.8,31.6,30.3,31.1,30.8,30.3,29.1,30.6
1949,29.9,33,35.3,34.5,33.3,31.3,30.7,30.2,30.8,31.4,30,31.3
1950,31.5,34.1,35.6,34.4,32.8,30.1,30.3,30.7,30.6,29.9,30.7,28.3
1951,30.1,33.4,36,36.3,33.5,29.7,30,29.9,30.7,30.4,30.6,29.4
1952,31.7,34.5,34.2,35.7,34.2,30.9,29.8,29.5,30.1,29.7,30.4,29.4
1953,30.2,31.4,34.2,35,32.6,30.3,30.4,29,30.6,30.8,28.8,29.3
1954,32.1,33,34.4,35.7,31.7,30.9,30.6,29.9,29.3,30.5,30.2,29.2
1955,30.2,33.4,34.4,34.2,32.2,29.4,29.7,29.5,29.7,30.1,27.9,29
1956,30.2,32.6,35.3,33.7,31.2,30.3,29.1,28.8,29.3,29.5,28.4,27.6
1957,31.2,32.5,34.1,35.2,35.5,30.5,30.3,30,29.9,29.9,30.7,31.3
1958,31.9,32.5,35.3,36.1,35.1,31.4,30,29.8,30.1,30.3,29.4,29.8
1959,31.6,35.3,33.9,35.3,33.3,31.6,29.4,29.4,29.5,30.3,30.6,31.4
1960,31.2,33,37.2,36.3,33,30.9,30,29.9,30.3,29.6,30.3,29.1
1961,30.9,31.9,34.2,35.9,31.5,30.6,29.4,29.3,29,29.6,29.1,29.8
1962,30,32.8,34.8,36.7,33.2,30.5,29.6,29.6,29.1,30.1,30.7,30.3
1963,29.5,33,34.6,35.6,35.8,30.4,28.9,29.3,30,30,30.2,29.4
1964,32.2,33,35.5,36.4,31.3,30.3,30.1,29.7,29.9,30.2,27.7,28.3
1965,30.6,33.3,34.2,35.4,33.2,29,30.4,30.7,29.7,30.4,30.1,30.1
1966,31.9,33.4,35.8,36.3,32.1,30.5,30.2,30,29.7,30.4,29.7,29.9
1967,29.6,32.2,35.2,34.6,32.3,31.4,31,30,30.1,29.7,29.8,28.8
1968,30.9,32.5,34.7,34.3,32.5,30.6,30.3,30.1,30.5,30.4,31.5,32.3
1969,32.7,34.3,35.8,35.7,33.4,30.5,28.9,29.6,29.5,30.3,28.2,28.7
1970,31,32.8,35.7,34.5,32.2,30.2,29.3,28.5,29.5,29.3,28.8,29.4
1971,29.4,31.7,33.4,35.3,32.6,29.6,29.1,29.7,30.2,29.2,28.5,29.2
1972,30.1,33.8,34.5,33.9,34.5,30.9,30.4,30,30.4,30.9,29.5,29.2
1973,31.4,34.6,34.7,37,32.7,31,30.6,29.9,29.9,30.3,28.6,28.3
1974,30.2,32.7,34.2,34.5,32,29.7,30,29.5,30,30.3,28.9,28.8
1975,28.5,32.6,34.7,35,31.4,30.1,30,29.4,29.5,30.2,28.9,27.4
1976,31.1,33,34.6,34.6,30.7,31,30.4,29.1,30.1,30.8,28.2,29.2
1977,30.9,32,34.1,35.5,33.1,32.4,31.2,30.7,30.2,31.5,30.7,29.9
1978,31.7,31.7,36.2,36.4,33.3,30.9,29.3,29.2,29.5,30.3,30.3,30.4
1979,32.9,34.1,36.7,36.1,33.6,31.2,31.7,30.3,30.7,31.3,30.9,31.2
1980,32.2,34.4,35.8,36.6,34.6,30.2,30.3,29.6,29.5,29.9,30.1,29.5
1981,30.5,32.9,35.4,34.5,32.1,29.8,29,28.6,30.2,30.2,28.2,27.6
1982,30.4,34,35.4,34.2,33.2,29.9,29.6,28.6,29.3,30.7,30.9,28.5
1983,30.2,34.3,35.9,37.1,34.9,31.5,30.6,29.6,30.3,29.2,27.6,28.4
1984,29.6,32.5,34.5,34.9,32.8,29.9,29.1,29.3,29.8,29.5,30.1,30
1985,31.7,34.3,35.6,35.5,32.2,29.2,28.8,29.1,29.4,29.4,29.4,29.2
1986,30.1,33.2,34.7,35.7,31.8,30.9,29.9,29.4,30.6,30.4,29.4,29.6
1987,31.4,33.5,34.3,36,34.8,31.2,31.5,30.6,29.9,30.6,29.4,27.2
1988,31.8,33.9,36,34.5,31.6,30.4,29.8,29.5,30.3,29.2,27.5,29.2
1989,31.6,33.3,33.6,36.4,33.2,30,30.4,30,30.4,30.3,29.8,30
1990,32.2,34.5,35,36.1,33.1,30.4,30.3,30.6,30.6,30.4,29.8,30.1
1991,32.8,34,36.6,36.1,35.3,30.9,31.5,30.1,31.4,30.8,30.2,30.3
1992,29.9,33.3,36.2,37.3,35.8,31.9,31,30.2,30.9,29.1,28.8,30
1993,30.3,33.2,35,35.5,34.1,32.1,32,30.3,30.6,31.1,31.6,29.9
1994,32.3,35.3,34.2,35.6,32.6,30.1,29.4,29.5,30.7,30.9,30.1,31.1
1995,31.4,33.2,35.1,36.1,33.1,30.9,30.2,29.1,30.5,30.6,29,29
1996,32.8,31,34.9,34.2,31.9,30.8,30.1,30,29.5,30.2,29.6,28.6
1997,30.7,33,34.8,34.6,34.2,32.3,29.3,29.6,29.8,31,30.5,31.4
1998,32.7,34.9,36.2,37.1,34.9,31.5,30.6,30.5,30.5,30.7,29.8,29.3
1999,31.4,31.7,35.4,32.7,30.7,30,29.6,29.4,30,29.6,29.7,27.2
2000,31.9,32,34.7,33.7,32,30.3,30.2,30.5,30.5,31.2,30.4,31.2
2001,32.8,33.8,34.1,36.7,31.6,30,29.6,29.3,30.5,30.6,28.8,30.3
2002,31.1,33.2,34.8,35.9,32.1,30.1,30.1,29.5,29.3,31,29.9,30.3
2003,30.9,32.9,34.2,35.9,33.3,29.9,29.3,29.8,29.9,31.3,32,30.2
2004,31.6,31.5,35.6,36.9,32.4,29.8,29.6,29.9,30.3,31.1,32.1,30.5
2005,31,34.6,34.8,34.9,33.5,30.6,29.5,30,30,31.1,29.9,28.9
2006,31.9,33.2,35.4,35.1,31.3,30,29.5,29.4,30,30.8,31.9,30.4
2007,31.1,33.1,35.4,34.7,31.4,29.9,29.7,29.8,30.1,30.1,28.9,31.2
2008,31,31.5,34.5,33.6,30.5,29.6,29.2,29.4,29.8,30.6,28.7,28.5
2009,29.2,33.5,34.1,34.2,31.4,29.4,29,30.4,30.6,30.6,29.9,30.4
