1901,31.1,32.7,34.6,35,32.8,31.5,30.7,30.4,30.3,30.5,30.2,29.7
1902,30.9,33,35.2,35.1,33.3,32.1,30.9,30.7,30.2,30.6,30.7,30.9
1903,31.3,32.4,35.7,35.8,33.1,31.2,30.6,30.2,29.7,30.2,29.2,27.7
1904,29.4,32.2,34.2,34.4,32.7,31.4,30.6,30.7,30.6,30.8,29.7,28.8
1905,32.4,33.2,34.3,35.2,33.1,31.6,30.9,31,30.6,30.8,30.6,32.2
1906,32.2,34.2,34.8,35.8,33.7,32.2,31.2,31.2,30.9,30.4,29.6,30.1
1907,31.1,33,34.1,34.6,32.5,31.3,30.8,30.4,30.5,30.9,30.7,28.5
1908,31.2,32.6,34,34.6,32.7,31.4,30.7,30.5,30.5,30.7,29.5,29.8
1909,31.1,33.1,34.5,34.9,32.4,31.7,30.5,30.8,30.7,31,29.8,29.2
1910,31.7,32.4,33.9,34.6,33.1,31.5,30.8,30.8,29.9,30.3,30.1,28.4
1911,30.4,32.2,34.3,35.1,33,31.6,30.7,31.1,30.7,30.7,31.3,31
1912,31.2,33,35.7,35.3,34.4,32.4,30.5,30.1,30.1,30.2,28.9,29.5
1913,30.3,33,34.8,35.6,32,31.3,30,30.1,30.2,30.2,29.3,29.4
1914,29.9,33,34.8,35.6,34.1,31.5,30.4,30.2,30,30,30.3,30.4
1915,30.8,33.9,35,35.4,33,31.9,30.7,30.8,30,30.2,29.2,27.7
1916,29.5,32.3,34.9,35,32.8,31,30.7,30.4,29.8,29.8,28.5,28.4
1917,30.6,32.4,33.5,35.4,33.1,31,30.2,30,29.7,29.5,29,28.5
1918,29.3,31,33.6,34,32.3,31.5,31.1,30.4,30.5,30.6,30.7,30.8
1919,31.3,33.1,35.6,35.3,33.2,31.1,30.4,30.2,30,30.2,29.6,30
1920,29.2,32.7,34.7,34.9,33.4,31.5,30.4,30.9,30.3,29.8,30.4,30.1
1921,30,32.1,34.6,34.5,32.4,31.4,29.8,30.1,29.5,30,28.9,29.3
1922,31.1,33.1,33.6,35,33.2,31.5,29.8,30.3,30.6,30,29.1,28.8
1923,30.1,31.5,33.9,33.9,31.9,30.8,29.6,29.6,29.8,29.9,30.2,30
1924,31,32.8,34.6,34.5,33,31.3,29.6,30.2,30.6,30.1,30.5,27.9
1925,30.9,31.8,34.3,33.7,32.9,31.1,30.4,30.4,30.2,29.8,30,28.3
1926,30.9,33,34.3,35.6,33.8,31.8,30.6,30,30.3,29.9,29.8,29.8
1927,30.6,32.8,35,34.1,32.2,31.1,30.2,30.1,30.1,29.9,30.2,29.8
1928,32.6,32.2,35.6,34.5,32.9,31.2,30.7,30.6,29.9,29.3,29.6,30.8
1929,32.1,32.8,33.9,34.3,34,31.9,30.3,30.3,30.2,30.4,29.6,31
1930,29.8,32.7,33.6,35.7,33.2,32,30.2,30.4,30,30.4,30.7,30.5
1931,32.2,33.4,35.7,36.5,33.8,32.2,31.1,30.5,30.2,29,29.7,29.8
1932,30.3,32.3,33.7,35.4,33.8,32,30.4,30.9,29.7,30.2,30.4,29.2
1933,29.6,33.9,34.4,35.6,33.7,32.3,30.6,30.9,30.5,30.4,29.2,30.1
1934,29.5,31.8,33.9,34.1,33.3,32.1,30.2,30.5,30.3,29.3,30.5,29.3
1935,32,33.8,35.7,35.6,32.8,32.2,30.6,30.8,29.8,30.8,31,29.7
1936,30.2,33,33.1,35.8,33.3,31.9,30.8,30.2,30.4,29.7,30.6,31.5
1937,32.2,33.5,36.3,36.1,32.7,31.5,30.2,30.4,29.7,30.1,30,30.7
1938,32.5,33.3,34.3,34.5,32.1,31,29.8,30.5,29.9,30.1,29.8,30.1
1939,31.1,33.2,34.7,34.9,32.5,31.6,30.9,30.6,30.5,30.6,30.5,27.1
1940,30.6,32.8,35,35.3,33.2,32.1,30.9,30,30.7,31.9,31.5,31.5
1941,34.9,34.6,35.6,36.6,34,31.6,30.9,30.6,31.1,30.7,31.1,30.7
1942,30.9,33.7,35.3,35.5,32.9,31.7,30.7,30.6,30.3,30.1,30.7,29.9
1943,30.8,33.3,35.2,34.3,33.3,31.8,30.9,30.8,30.1,30.5,29.9,29.5
1944,31.9,33.5,35.1,35.7,33,31.7,30.7,30.4,30.5,30.6,30.2,28.6
1945,31.4,32.6,34.1,34.8,32.7,31.6,30.8,31,30.5,29.7,31.2,30.6
1946,30.8,32.3,35.1,34.6,32.3,31.6,30.3,30.1,30.2,30.7,30.6,30.9
1947,34.2,33.6,34.6,33.9,33.6,31.7,30.4,30.8,30.6,30.5,30,30.3
1948,31.5,34.5,34.9,34.6,33.4,31.6,30.7,30.7,30.7,31,29.8,30.8
1949,30.7,33.4,35.6,35.1,33.7,32.6,31.3,30.6,30.2,30.3,29.9,30.1
1950,31.9,32.8,36.1,35,33,30.9,30.2,30.9,29.8,29.8,29.9,28.4
1951,31,33.5,34.5,34.8,32.4,31,30.9,30.3,30.9,30.3,30.3,29.3
1952,31.4,34.2,35,34.8,33.4,31.8,30.7,30.1,30.2,29.7,30.3,28.3
1953,31.4,33.3,35.2,34.5,33,31.5,31.1,30.8,30.2,31.8,30,29.2
1954,33,33.7,34.2,35.6,33.2,32.3,31.7,31.2,29.6,30.8,30.5,29.5
1955,30,34.6,36,35.1,33.4,31.2,31,31.1,31,30.9,29,29.9
1956,30.5,33.6,35.6,34.6,32.3,31.7,31,30.3,30.5,30.8,29.4,28.7
1957,31.5,32.5,33.7,34.9,34.5,32.1,31,30.8,30.3,30.2,31.3,31.2
1958,32,32.8,36.6,36.6,34.5,31.8,30.5,31,29.7,29.6,29.2,29.6
1959,31.4,34.4,33.6,35.7,33.9,33.4,30.8,30.6,30.2,29.9,31.4,31
1960,31.7,32.7,35.2,35.6,33.3,31.1,31.1,30.6,30.4,30.3,30.5,29.3
1961,30.2,33.1,35.2,35.3,32.6,31.3,30.6,30.7,30,30.5,30.5,30.5
1962,29.5,32.3,34.5,34.7,33.1,31.6,30.8,30.8,30.1,30.9,30.4,29.8
1963,28,32.4,34.4,35.9,34,31.7,30.6,30.7,30.5,31,31.4,29.9
1964,31.9,32.8,35.1,35.7,31.5,31.6,31.8,30.3,30,30.5,28.6,28.5
1965,30.1,33.2,34.2,34.7,32.7,31.2,30.4,31,29.1,31.5,31.2,31.1
1966,32.9,33.7,34.9,34.1,31.3,31.6,30.4,30,29.8,31.4,30.4,30.5
1967,29.1,32.1,34.8,34.3,32.7,31.8,30.1,30.4,29.1,29.5,30.4,28.3
1968,30.6,31.6,34.5,34.1,32.8,31.5,31.1,30,29.8,30.3,31.2,31.6
1969,32.5,32.6,34.7,35.5,33.5,31.6,29.9,31,30.5,31,29.1,28.3
1970,30.5,32.4,34.8,33.8,32.5,31.7,30.3,29.5,29.5,29.2,29.5,29.6
1971,29.2,31.8,33.5,34.9,33.9,30.5,30.2,30.5,30.9,29.5,28.6,29.6
1972,29.5,31.7,33.4,32.5,33.6,31.2,29.6,29.4,29.9,31.1,30.4,30.1
1973,31,33.9,35.3,35.9,33.3,32.3,30.6,31,30.6,30,28.9,28.7
1974,30.2,31.4,33.1,34,33,31.5,31.5,30.3,31.3,30.3,30.1,29.4
1975,30.4,33,34.4,35,33.1,30.9,30.8,30.2,30.7,29.6,29.8,27.5
1976,30,32.9,34,34.9,33.1,31.7,30.6,30.7,29.9,30.4,28.9,30
1977,31.3,31.8,34.8,34.8,33.6,33.2,30.9,30.8,29.6,31,30.5,30.8
1978,32.4,33.1,35.1,34.1,32.2,31.9,30.2,29.6,29,29.4,30.3,30.8
1979,33,34.6,36.3,34.4,31.6,31.3,30.6,30.1,30.3,30,30.7,31.1
1980,32.6,33.4,35.9,35.3,33,31.4,30.5,30.6,29.4,30.1,30.3,29.8
1981,30.2,33.3,34.7,34.1,32.5,30.5,30.1,30.8,32,30.3,30,28.4
1982,31,33.2,35.1,33.4,32.9,31,30.5,30.1,29.4,31.2,31.4,28.8
1983,30.6,33.4,34.9,37.2,35,31.9,32,31.5,31.7,30.4,29.4,29
1984,30,32.8,34.2,35.4,32.5,30.9,30.7,30,29.9,30.2,30.2,30.2
1985,31.7,33.7,34.4,33.5,32.3,30.8,30.5,30.7,29.7,30.6,31.1,30.2
1986,30.8,33.7,34.7,35.1,32.4,32.1,30.6,31,31,31,30.5,30.6
1987,32.3,34.4,36.4,36.1,33.6,32.3,31.2,31.4,30.8,32.1,31,28.8
1988,32.8,33.8,35,34.5,33,31.7,31.6,30.9,31.5,29.1,29.7,29.9
1989,32.4,33.5,34,35.3,33,31.4,31.1,30.9,30.8,30.6,30.9,30.7
1990,32.4,33.7,33.4,35.8,32.6,31.6,31,31.4,30.8,30.2,30.6,31
1991,33.3,34.5,36.2,37,34.5,32.2,30.9,30.3,30.7,30.2,30.8,30.9
1992,30.7,32.9,35.9,37.3,34.7,32.5,31.2,30.6,31,29.9,30.5,31.2
1993,31.2,33.8,35.3,35.2,33.9,33.1,31.1,30.8,31,31.5,31.5,29.8
1994,32.7,34.4,33.8,36.2,34,31.6,30.7,31.1,30.8,31.3,32.1,32.1
1995,32.3,33.1,35.1,36.7,34.2,33.3,31.8,32.1,31.4,31.7,30.5,30.2
1996,32.4,32.4,35.8,34,32.1,32.1,31.3,31.6,30.4,31,30.5,29.5
1997,31.4,32.3,35.2,34.2,33.5,33,31.2,31.3,31.8,32.8,32.8,32.9
1998,34.1,34.4,36.9,36.2,34.6,33.2,32.2,31.9,31.4,32,31.1,30.1
1999,31.3,33.8,34.9,34.4,31.9,31.4,30.5,31.5,31.4,31.5,30.1,28
2000,32,32.6,34.7,34.4,32.7,31.3,31,31.6,31.2,30.6,30.6,31.3
2001,32.7,33.8,34,36.7,33.6,31.6,31.5,31.6,31.6,32.3,29.7,30.4
2002,31.7,34.6,35,35.4,32.9,32.3,31.5,30.7,30.6,31.4,31.9,31.6
2003,31.7,34,35,36.3,34.2,32.2,31.3,31.5,31.2,31.7,32.2,29.9
2004,32.7,31.9,35.4,35.5,34,31.3,30.9,30.8,31.3,31.5,31.8,31.2
2005,32,34.9,34.2,35.6,32.5,32.2,31.4,31.1,31.8,28.2,31.4,29.4
2006,32.1,34.1,34.4,35.2,33.1,32.2,30.9,30.9,31.4,31.5,32.1,31.2
2007,31.3,34,35.4,35.8,32,30.4,31.3,30.4,31.1,30.9,29.7,31.6
2008,31.7,31.7,34.7,36,32.2,31.5,32,31.3,30.9,32.3,30.2,29.8
2009,30.3,34.5,34.7,35.2,33.1,31.8,31.7,32.1,31.5,32,31,32.3
