1901,31.1,33.6,35.8,36.5,34.5,33.6,33,32.4,31.7,31.1,30.2,29.6
1902,30.3,33.4,36.1,36.4,35.1,34.4,33.3,32.6,31.6,31.3,30.5,30.9
1903,31.3,32.8,36.9,37.4,35.2,33,32.8,31.9,31,30.7,28.8,26.6
1904,28.5,32.1,35.2,35.6,34.5,33.5,32.9,32.6,32.1,31.5,29.4,28.3
1905,32.3,34.2,35.7,37,34.9,33.7,33.2,33.1,32.1,31.6,30.7,32.7
1906,32.6,35.1,36.1,37.8,36,34.4,33.5,33.2,32.6,31,29.3,29.9
1907,30.7,33.5,34.9,36.1,34.2,33.3,33,32.2,32,31.4,30.5,27.7
1908,30.8,33,35,36.1,34.5,33.5,33,32.3,31.9,31.3,29,29.4
1909,30.8,33.6,35.5,36.2,34.2,33.8,32.7,32.7,32.1,31.6,29.4,28.6
1910,31.6,32.5,34.7,36,34.8,33.5,33.1,32.6,31.2,30.9,29.9,27.8
1911,29.9,32.8,35.6,36.5,34.8,33.8,33,33,32.3,31.3,31.6,30.9
1912,30.9,33.6,36.7,36.5,36.3,34.3,32.8,32,31.5,30.8,28.8,29
1913,29.9,33.6,35.5,37.1,33.9,33.2,32.2,32,31.7,30.8,29.4,28.9
1914,30,34,36,37,35.9,33.6,32.5,32,31.5,30.8,30.3,30.1
1915,30.5,34.7,35.9,36.8,34.4,33.7,32.8,32.8,31.4,31,29.2,27.1
1916,29,32.7,35.6,36.4,34.8,32.9,33,32.2,31.4,30.4,28.2,28
1917,29.9,32.9,34.2,36.7,34.7,32.9,32.5,31.7,31.3,30.1,28.9,27.9
1918,29.4,31.6,34.7,35.4,33.9,33.4,33.4,32.1,31.9,31.2,30.9,30.9
1919,31.3,33.5,36.7,36.6,34.6,33.2,32.6,32.3,31.5,30.6,29.5,29.5
1920,28.8,33.2,35.5,36.1,35.1,33.5,32.6,32.6,31.8,30.4,30.5,29.8
1921,29.6,32.5,35.4,36,34,33.3,31.9,32.1,30.9,30.6,28.8,29.2
1922,30.9,33.8,34.5,36.2,35.1,33.4,32,32.1,32,30.6,28.9,28.3
1923,29.8,31.8,35,35.3,33.8,32.9,31.8,31.4,31.3,30.5,30.4,29.9
1924,31.1,33.2,35.3,35.5,34.8,33.2,31.8,32,31.7,30.4,30.6,27.4
1925,30.3,31.9,35.4,34.4,34.6,33.2,32.6,32.3,31.8,30.4,30.2,28
1926,30.8,33.4,35.2,36.6,35.3,33.6,32.7,31.9,31.8,30.4,29.8,29.6
1927,30.3,33.1,35.5,35,33.6,33.1,32.3,32,31.4,30.3,30.2,29.6
1928,32.3,32.7,36,35.5,34.4,33,32.5,32.2,31.2,29.8,29.3,30
1929,31.4,33,34.2,35.3,35.1,33.4,32,31.9,31.4,30.6,29.5,30.7
1930,30.2,32.7,34.3,35.6,34.8,33.6,32,31.9,31.8,30.8,30.1,29.9
1931,31.6,32.5,36.7,37.3,35.3,33.9,33,31.9,31.5,29.5,29,29.2
1932,29.4,33,34.8,36.5,35.6,34.3,32.6,33.1,31.5,30.8,30.5,28.5
1933,30.1,34.2,35.3,36.6,35.5,34.2,32.7,33,32.1,31,28.9,29.5
1934,29.5,32,35.1,36,35.5,34.3,32.7,32.2,32,30.4,30.5,28.2
1935,31.8,34.2,36.6,36.9,34.9,34.1,32.7,32.7,31.6,31.6,31,29.9
1936,29.9,33.1,34.6,37,35.3,33.8,32.9,32.2,32,30.1,30.3,31.8
1937,32.2,34.1,37.6,37.4,33.7,33.3,31.8,31.9,30.9,30.3,29.8,30.2
1938,32.6,34,35.7,35.7,33.2,32.2,31.4,32.5,31.2,30.5,30,29.9
1939,31.3,33.9,35.9,36,34.5,33.7,33,32.3,31.8,31.2,30.7,26.6
1940,30.1,33.9,36,37.4,35.1,34.5,33.2,32,32.4,32.8,31.9,31.6
1941,35.4,35.2,36.9,38.3,36.2,34.1,33.2,32.3,32.9,31.4,31.3,31.1
1942,30.5,34.4,36.4,37,34.6,33.7,32.8,32.5,31.8,30.6,30.6,29.6
1943,30.6,34,36.5,35.4,35.2,34,33.1,32.6,31.7,30.9,29.6,29.1
1944,32,34.3,36.2,37.4,34.8,33.8,32.8,32.3,32.1,31.1,30.1,28.3
1945,31.7,33.2,35,36.3,34.6,33.6,33.1,32.9,31.9,30.3,31.5,30.8
1946,30.8,31.9,36.3,35.9,33.9,34,32.9,32.1,31.8,31.6,30.9,31.6
1947,34.4,34.6,36,35.5,35.7,33.8,32.9,33,32.4,31.5,30.2,30.6
1948,31.2,35.2,36.1,35.5,35,33.1,32.6,32.4,31.9,31.2,29.5,30.2
1949,29.9,34.2,37,35.9,34.4,34.4,32.7,32,31.3,30.9,30.1,30.5
1950,32.1,33.7,36.7,36.3,34.4,32.8,32.6,33,31.5,30.2,30.5,27.9
1951,30.7,34.4,36,37.1,34.1,32.5,32.9,32.1,32.1,30.8,30.3,29.5
1952,31.6,35.1,35,36.5,35.1,33.5,32.4,31.5,31.1,29.9,30.5,28.6
1953,30.7,32.3,35.2,35.5,33.6,32.9,32.9,32.1,31.6,32,30.4,29.1
1954,32.8,33.9,35.2,37.6,35.2,34.7,34.2,32.9,30.6,31.3,30.5,29.2
1955,29.5,34.8,36.8,36.1,35.4,32.9,33.2,32.6,32,31.3,28.8,29.6
1956,30.5,34.3,36.6,35.7,33.8,33.5,33,31.8,31.5,31.2,29.6,29.1
1957,31.8,33.1,34.6,36.5,37.1,34.3,33,32.8,31.5,30.5,31.5,31.4
1958,32,32.8,37.8,38.6,37,34.2,32.6,32.5,30.8,30,28.9,29.2
1959,31.3,34.9,34,37,35.9,36.1,32.6,32.3,31.1,30.4,31.3,31.4
1960,31.7,33,36.6,37.6,35.6,33.6,33.3,32.3,31.6,30.5,30.6,29.1
1961,30.2,33,35.4,36.7,33.9,33.3,32.6,32.4,31.4,31,29.8,31.1
1962,29.2,32.8,35.6,36.5,34.6,33.7,32.1,32,30.7,30.9,30.6,30.2
1963,27.5,32.5,35.1,35.8,35.3,33.5,31.9,31.9,31.1,31,31,29.3
1964,32,32.7,35.5,37.1,33.2,33.6,33.1,31.9,31,31,28.2,28.2
1965,29.9,33.2,35,36,34,32.8,32.9,32.7,30.7,31.8,31.3,31.2
1966,32.9,34.2,36.2,36.2,32.9,33.9,33.1,31.9,31,31.8,30.6,30.7
1967,28.7,32.4,36.3,35.9,34.7,34.3,33.1,32.5,31.4,30.4,30.5,28.6
1968,31,32.4,35.8,34.9,34.6,33.5,33.2,32.4,32.1,31.3,31.9,32.3
1969,32.4,33.8,36,37.1,35.8,33.6,31.9,32.8,32,31.5,28.8,27.9
1970,30.5,33.4,36.6,35.2,35.2,33.4,33.1,31.5,31.5,30.6,30,29.9
1971,29.2,32.2,34.4,36.7,34.8,32.5,31.8,32.1,32.2,29.8,28.8,29.4
1972,29.7,33.3,34.2,34.1,37.4,33.6,33.3,32.3,31.7,31.9,30.3,30
1973,31.4,35.1,36.3,37.6,35.6,34.7,33.1,32.8,32.5,30.6,29,28.4
1974,30.4,31.5,33.5,35,34.2,34,33.9,31.9,32.8,31.3,30.1,29.5
1975,29.9,33.9,35.6,37.4,35.1,33.1,32.9,32.1,32.1,30.9,29.7,27.6
1976,30.3,33.5,35.1,36.9,34.3,34.7,33.4,31.8,32.1,31.6,28.5,30.2
1977,31.3,32.1,35.6,36.3,35.5,35.7,34.3,33.1,31.4,31.9,30.4,30.4
1978,32.5,32.7,36.9,36.8,34.8,34.1,32.4,32.1,31.3,30.5,30.5,30.7
1979,33.2,35.4,38.1,37,34.7,33.4,34.1,32.7,32.4,31.3,30.9,31.2
1980,32.6,34.1,36.9,36.7,35.5,33.1,33.2,32.5,31.1,30.4,30.4,29.5
1981,30.1,33.9,35.7,34.9,33.5,32.4,31.8,32.4,32.8,30.9,29.8,27.9
1982,30.5,33.4,35.9,34.1,34.9,33,32.6,31.3,30.6,31.4,31.4,28.1
1983,29.7,34.3,36.2,38.7,36,33.6,33.4,31.8,31.8,30.2,28.6,28.5
1984,29.7,33.5,35.7,36.3,33.9,32.6,32.6,31.5,31.3,30.2,30,30.2
1985,31.2,34,35.1,35.1,33.6,32.2,32.3,32.2,31.3,30.8,30.9,29.7
1986,30.3,34.1,35.8,36,33.6,34,32.4,32.7,32.2,31.2,30.1,29.9
1987,31.5,34,36.2,36.8,35.4,34.1,33.3,33.3,31.9,31.9,30.7,27.7
1988,32.3,33.7,35.8,35.4,33.9,33.3,33.5,32.3,32.9,30.1,29.1,29.2
1989,31.9,33.6,34.2,37,34.5,32.9,32.6,32.3,32.2,30.9,30.2,30
1990,31.8,33.8,33.7,36.9,34.1,33.2,32.7,32.9,32.2,30.5,30.5,30.2
1991,32.8,34.7,37,37.4,36.2,33.9,33.3,31.8,32.2,30.5,30.3,30.1
1992,29.1,33.6,37.3,38.8,36.7,34.1,33.1,32,32.4,29.6,29.7,30.6
1993,30.5,33.7,35.9,36.4,35.7,34.9,33.8,32.3,32.2,31.4,31.4,29.2
1994,32.3,35.1,34,37.5,34.6,32.9,32.3,32.6,32.4,31.3,31.6,31.9
1995,31.5,33.5,35.8,37.2,35.5,35,32.6,32.3,32.2,31.3,30.3,29.4
1996,31.8,32,36.2,34.8,33.5,33.7,33,32.7,31.6,31.1,29.9,28.7
1997,30.9,32.4,35.5,34.5,35.4,34.9,33.1,32.7,32.9,32.7,32.2,32.6
1998,33.6,35,37.6,37.3,36.6,35.1,34.3,33.5,32.1,32.4,30.9,29.9
1999,31,33.8,36.1,34.3,32.7,32.9,33,32.9,32.8,31.5,29.9,26.8
2000,31.7,32.7,35.7,34.7,33.8,32.8,32.5,32.8,31.9,31.3,30.4,30.9
2001,32.9,34.6,34.3,38.7,34.8,33.5,33.4,32.6,33,32.7,29,30.2
2002,31.4,34.3,35,36.6,34.3,33.9,33.4,31.8,31.6,31.6,31.3,31.4
2003,31.1,34,34.7,37.3,36,34.2,33.1,33.2,32.1,31.8,32.3,29.1
2004,32.1,31.9,36.2,36.5,34.8,33.1,32.7,32.3,32.1,32.1,32.1,31.1
2005,31.8,36,35,36.2,35.2,33.9,32.8,32.7,31.9,30.1,31,28.4
2006,32.3,34.1,35.4,35.2,34.3,34.1,32.8,32.3,32,31.6,31.6,30.4
2007,31.2,34.6,36.1,36,33.9,32.3,33.6,32.1,32.1,30.4,29.2,31.3
2008,31.1,30.7,34.9,35.5,33,33.1,33.3,32.5,31.6,31.8,29.3,28.9
2009,29.4,34.8,35.2,35.6,34.3,33.6,32.8,33.3,32.2,32.1,32.1,31.7
