1901,30.3,32.4,35,36.2,33.9,32.9,32.5,31.8,31.3,31.3,30.6,29.4
1902,29.6,32.2,35.3,36,34.5,33.4,32.7,31.9,31.2,31.4,30.9,30.5
1903,30.3,31.6,36,37,34.4,32.3,32.3,31.3,30.7,31,29.4,26.7
1904,27.9,31.1,34.3,35.2,33.8,32.8,32.3,31.9,31.6,31.7,29.8,28.1
1905,31.3,33,34.6,36.4,34.2,33,32.7,32.2,31.7,31.7,31,32.1
1906,31.6,33.6,35.1,37.1,35.2,33.6,33,32.3,32.1,31.2,29.8,29.6
1907,30,32.3,34,35.6,33.6,32.5,32.4,31.6,31.4,31.6,31,27.7
1908,30,31.9,34.3,36,33.9,32.8,32.4,31.7,31.5,31.5,29.5,29.1
1909,30,32.4,34.8,35.9,33.5,33,32.2,32,31.8,31.9,30,28.5
1910,30.7,31.5,33.9,35.7,34.2,32.7,32.5,31.9,30.9,31.1,30.4,27.8
1911,29.3,31.6,34.7,36.2,34.1,33.1,32.4,32.2,31.8,31.4,31.8,30.5
1912,30,32.4,35.6,36.2,35.3,33.4,32.1,31.3,30.9,31,29.2,28.8
1913,29.4,32.5,34.2,36.4,33,32.6,31.7,31.3,31.2,31.1,29.7,28.6
1914,29.4,32.7,35,36.5,34.8,32.6,32.2,31.2,31.1,30.9,30.4,29.9
1915,29.9,33.2,34.9,36.3,33.5,32.9,32.1,31.9,31,31.5,29.7,27.4
1916,28.6,31.7,34.8,36,34.3,32.5,32.4,31.6,31.1,30.7,29.1,28.1
1917,29.1,31.7,33.4,36.1,34,32.2,32.1,31.2,31,30.6,29.7,27.9
1918,28.7,30.9,34.1,35.2,33.3,32.6,32.8,31.4,31.7,31.6,31.1,30.8
1919,30.5,32.2,36.1,36.4,34.1,32.7,32.3,31.9,31,30.9,30.1,29.4
1920,28.6,31.7,34.9,35.8,34.4,32.8,32.4,31.7,31.5,30.6,31,29.4
1921,29.2,31.5,34.7,36.1,33.6,32.9,31.7,31.7,30.6,30.9,29.5,29.5
1922,30.4,33.4,33.9,36.1,35.1,32.9,31.9,31.7,31.5,31.2,29.5,28.5
1923,30.1,31,35.2,35.3,33.1,32.4,31.7,31.1,31.4,31.3,31.2,29.8
1924,30.7,32.2,34.9,35.4,34.4,32.8,31.6,31.6,31.5,30.5,31.3,28.4
1925,29.2,30.5,34.7,33.8,34,32.6,32.4,32,31.6,30.7,31.2,28.5
1926,30.2,32,34.4,36.6,34.8,32.9,32.5,31.1,31.7,30.4,30.7,29.4
1927,30,31.7,34.5,34.8,33.3,32.5,32.2,31.6,31,30.7,31.2,30.3
1928,31.8,31.3,35.2,35.5,34,32.3,32.2,31.7,31.2,29.7,29.5,29.9
1929,30.8,31.9,33.6,34.9,34.3,32.5,31.8,31.5,31,30.8,29.7,30.8
1930,29.3,31.8,33.4,35.3,33.8,32.8,32,31,31.3,31.1,30.4,29.8
1931,30.9,32,36.2,37.4,35.1,33.4,32.6,31.4,30.9,29.7,29.3,29
1932,28.6,31.5,34.1,36,35.2,33.4,32.3,32.1,31.1,30.6,30.9,28.2
1933,29.3,32.7,34.7,36.4,34.4,33.3,32.2,31.9,31.4,31,29.1,29.2
1934,29,31.1,34.2,35.4,34.9,33.4,31.9,31.8,31.5,30.6,30.9,27.7
1935,31.2,33.1,35.6,36.4,34.4,33.4,32,31.8,31.2,31.8,31.5,30.2
1936,29.2,31.7,33.8,36.6,34.6,32.9,32.1,31.6,31.5,30.2,31.2,32
1937,31.3,33.1,36.5,37.3,32.7,32.7,31.1,31.3,30.4,30.9,31.8,31.5
1938,32.3,33.1,35,35.1,32.4,31.3,30.7,32.6,31.1,31.3,29.8,31.1
1939,31.7,33,36,35.6,34.6,33.4,32.6,31.7,31.3,31.7,32,26.8
1940,28.8,33.3,35.2,37.4,34.6,34.4,33,32.1,32.3,33,32.5,31.8
1941,34.9,34.3,36.7,37.8,35.7,34.2,33.2,31.3,32.6,31.6,31.4,31.4
1942,30.3,33.7,35.9,36.6,34.1,33,32.4,32.1,32.1,31.4,32.3,29.5
1943,29.8,32.8,35.9,35.1,35,33.5,32.9,31.8,31.6,31.2,30.1,29
1944,31.4,33.1,35.5,37.1,34,33.1,32.5,31.8,31.7,31,30.7,28.2
1945,31.2,31.8,34.3,36.2,34.3,33.3,32.7,32.2,32,30.7,32.2,30.9
1946,29.9,30.6,35.9,35.5,33.3,33.6,32.7,31.6,31.4,31.7,31.5,31.9
1947,33.8,33.6,34.9,35.5,35.1,33.3,32.4,32.4,32,31.9,31.3,30.4
1948,30.4,33.6,35.5,34.8,34.3,33.6,32.2,31.9,31.4,31.8,30.9,30.8
1949,29.7,33.2,35.8,35,33.6,33.6,32.1,31.7,31.1,31.8,30.5,30.6
1950,31.7,32.8,35.8,36.1,33.9,32.4,32.4,32.4,31.2,30.6,31.5,28.5
1951,28.9,33,35.2,36.1,33.8,31.3,32.5,32.1,32.2,30.7,30.8,29.6
1952,31.2,34.3,34.4,36.8,35.2,33,31.7,31.3,31.3,31,31.3,28.9
1953,30.2,31.3,35.8,36,33.8,32.7,32.7,32,32.1,33,31.5,30.1
1954,32.5,33.2,34.7,38.4,34.9,34.1,34.4,32.5,31.2,31.2,31.2,28.9
1955,28.3,33.6,35.7,36.1,35.3,31.9,32.8,31.5,32.2,31.7,29.8,29.5
1956,29.8,33.1,36.1,35.7,33.2,32.6,32.5,31,31.3,32.2,30.1,29.3
1957,31.3,32.1,33.9,36.7,37,33.4,32.3,32.9,32,31.2,32.1,31.5
1958,30.5,30.7,37.3,39,37.3,34,32.7,32.4,31.4,30.9,30,29.3
1959,30.6,33.2,33.3,37.1,35.6,35.9,32.3,31.9,30.7,31.8,32.3,32.5
1960,31.4,32.3,36.6,37.9,35,33.6,32.8,31.7,31,30.6,31.5,29.3
1961,29.9,31.2,34.7,36.9,34.1,32.4,32.2,32,30.9,31.3,30,30.7
1962,28.5,32.1,35.3,36.7,34.8,33.1,32,31.5,30.9,31.7,31.1,30.6
1963,27.5,31.2,34.3,36.2,35.9,33,31.3,32.2,31.4,31.1,31.3,29
1964,31.3,31.7,34.1,36.2,33,33.1,32.5,31.9,31.1,30.8,28.4,27.8
1965,28.8,32.7,34.3,35.3,34,31.3,32.6,32.1,31.1,31.9,31.4,31.1
1966,31.6,33.2,35.2,35.8,32.7,32.8,32.7,31,31.1,32.2,31.3,30.8
1967,27.9,30.5,35.2,35.4,34.5,33.6,32.7,32.6,30.4,30.9,30.5,28.4
1968,30.6,30.4,35,33.8,33.9,32.3,32.9,31.9,31.7,31.3,32,32
1969,30.8,32.6,34.8,36.3,35.1,32.6,31.6,31.9,31,31.9,29.1,27.8
1970,29.6,32.8,36.2,34.9,34.1,31.6,32.3,31,30.8,30.9,30.2,30.4
1971,28.5,31,34,36.4,33.6,32.1,31,30.9,31.5,29.8,29.1,28.7
1972,28.5,32.4,33.1,33.6,36.7,33.6,33,31.8,32,32,31.3,30.5
1973,31.7,35.2,36.1,38.5,34.7,33.9,32.7,31.8,31.3,31,29.7,28.1
1974,29.7,30.4,32.5,34,33.9,33.5,33.2,31.4,32,31.3,30.2,29.4
1975,28.9,32.9,35.3,37.5,33.9,32.4,32.3,31.2,31.1,31.3,29.9,27.3
1976,29.5,32.4,33.9,35.7,32.7,33.7,32.7,30.9,31.4,31.8,28.8,29.9
1977,29.8,30.4,34.1,35.3,34.2,35.7,32.7,32.5,31.1,32.2,30.3,29.8
1978,30.8,30.6,35.8,35.8,33.7,33.2,31.5,31.3,30.5,31.2,30.9,30.2
1979,32.2,33.8,37.9,36.2,33.9,32.1,34,32,31.9,31.8,30.9,30.6
1980,31.7,32.8,36.5,36.9,34.9,32.1,32.6,31.9,30.7,30.7,31.4,29.7
1981,29.6,33.5,35.8,34.9,33.1,32,31.4,31.8,32.3,31,30.5,27.7
1982,29.9,32.2,36,34.2,34.7,33.2,32.4,30.9,30.4,31.5,31.8,27.8
1983,28.1,33.6,35.3,38.9,35.2,33.5,33.2,31.4,31.6,30.8,29.6,28.5
1984,29.5,32.8,35.7,36.7,33.6,32.4,31.8,31.3,31.1,30.2,30.4,30.1
1985,30.2,32.6,34.3,35.3,33.3,31.6,32.1,31.4,31.1,30.8,31.4,29.6
1986,29.5,32.8,35,36,32.5,32.7,32,32.5,32,31.5,30.3,29.4
1987,30.4,32.1,34.6,36,35.3,33.4,32.9,32.5,31.3,31.8,31.5,27.8
1988,31.7,32.8,35.5,35.5,33.1,32.5,32.8,31.5,32.4,30,29.2,29
1989,30.3,32.2,32.7,37.1,33.8,32.1,32.4,31.7,31.4,30.9,30.6,29.7
1990,30.9,32,32.6,36.8,33.5,32,31.5,32.4,31.6,31.3,31.2,30
1991,32.4,33.1,36.6,36.9,35.8,33.4,32.9,31.3,31.9,31.2,30.7,29.6
1992,27.7,33.4,37,39.2,36.7,33.1,32.5,32,31.9,30.3,29.5,30.1
1993,29.3,32.6,35.8,36.8,35.2,34.2,33.6,32.2,32,32,31.7,29.5
1994,31.8,34.6,33,37.3,34.6,32.1,32.3,31.9,32,31.1,31.3,31.7
1995,30.5,32.3,35.7,37.2,34.6,34.3,32,31.5,32.2,31.7,30.8,29.6
1996,31.1,30.3,35.4,33.4,33.3,33.5,32.6,32,31.3,31.8,30.2,28.8
1997,30.3,31.3,34.8,34.3,35.7,34.3,32.4,32.4,32.1,32.8,32.5,32.6
1998,32.6,34.5,37.6,37.2,36.6,34.7,33.9,33.3,32.2,32.5,31.6,30.6
1999,31,33.2,36.6,33.9,32.4,33.1,32.9,32.6,31.9,31.5,30.3,26.4
2000,32.2,31.6,36.1,34.9,32.5,32.7,32.1,32.6,31.5,32.1,31,31
2001,32.8,34.1,33.8,39.3,33.4,32.9,32.8,32.2,31.9,32.6,29,30.3
2002,30.5,33.1,34.1,36.5,34,33,32.8,31.1,30.8,31.5,31.5,31.4
2003,30,32.6,33.4,37,36.1,33.9,32.7,32.5,31.7,32.2,32.5,27.8
2004,31,30.7,35.8,36,34.3,32.9,31.8,32.1,31.4,32,32.3,31.4
2005,30.8,35.7,34.8,36.9,34.8,33.1,32.5,31.8,31.5,32,31.7,29.1
2006,31.9,33.5,35.4,35.2,34,33.7,32.8,31.9,31.9,32.1,32.6,30.3
2007,29.6,33.4,35.7,36,33.7,32.6,33.7,31.7,31.4,30.6,29.3,31.3
2008,29.9,28.5,34,34.9,32.5,32.3,32.2,31.8,31.4,32.3,29.8,28.7
2009,28.7,34.6,34.7,35.5,33.6,32.9,31.9,32.8,32.1,32.4,32.9,31.3
