1901,30.6,31.4,29.2,32,32,33.1,32.7,33,33.1,32.9,30.4,28.7
1902,30.4,31.1,29.2,30.9,32.7,34.2,32.8,33.5,33.8,35.1,34.3,29.5
1903,29.2,31.9,32.7,30.8,30.7,32.6,33.4,33.5,34.4,35.1,33.8,29.5
1904,30.3,32.3,29.9,32.3,30.3,32,32.7,32.7,33.4,33.2,33.5,29.2
1905,30.1,30.9,31.3,30,30,33.6,33.7,33.4,34.8,35,33,31.2
1906,31.3,31.1,32,31.1,31.6,35.2,33.4,32.7,34.5,34.4,33.5,29.6
1907,28.7,30.1,30.5,30,29,31.9,32.6,32.6,33.4,34.1,30.4,28.9
1908,29.5,30.7,31.5,32.8,32.2,33.9,33.2,32.8,33.7,35.1,33.8,32
1909,28.9,29.1,31.6,30.7,31.2,32.7,32.7,32.6,32.7,34.1,32,30.5
1910,28.7,29.6,29.7,31,31.3,32.4,33,33.2,33.7,35.4,35.4,29.1
1911,27.8,29.3,28.6,32.2,31.4,32.8,32.9,33.4,34.6,36.4,34.3,32.1
1912,30.9,30,32.1,30.8,31.4,33.1,32.5,33.1,34.1,33.7,33.4,30.4
1913,30.6,31.7,31.2,32.6,30.1,33.2,32.9,33.7,34.1,34.8,33.7,32
1914,29.8,30.7,32.6,30.4,32,32.5,31.8,33,33.3,34.8,32.9,29.9
1915,31,29.1,28.7,30.7,31.4,35,33.5,33.4,34.7,35,33.5,32.3
1916,30.3,30,29.5,30.8,31.5,34.4,33,33.1,33.6,35.9,34,32.3
1917,30.5,27.6,30.4,29.5,30.3,31.8,32.3,32.7,33.4,33.4,32.5,30.3
1918,31.8,30.3,30.3,30.2,31,33.5,32.9,32.6,33.4,34.3,31.9,30.4
1919,30.6,31.8,33.1,31,31.1,33.8,32.4,33.3,33.8,35.8,34.2,30.8
1920,29.5,27.8,30.1,31,30.6,32.3,31.1,31.4,32.5,33,30.9,30.4
1921,30.9,29.2,30.1,31.1,31.2,33.9,31.8,33.4,33.7,35,32.1,30.3
1922,29.4,32,30.9,31.3,31.9,31.5,31.1,32.9,32.7,34.7,34,30.7
1923,29,32.1,30.4,31.4,30.4,32.2,32.3,32.8,33.4,35.4,33,32.2
1924,30.5,28.2,31,30.2,30.9,32.9,33,32.5,33,32.1,33.1,28.9
1925,29.8,29.9,29.9,30.8,31.5,32.3,32.2,32.2,32.8,34,32.2,31
1926,29.8,30,31.1,32.7,31,33.3,33,33.3,33.3,34.7,32.3,31.9
1927,30.7,30.3,32.9,30.8,31.5,32.6,32,31.6,32.5,34.9,33.7,30.7
1928,29.5,29.2,30.3,30.7,31.6,34.4,32.7,32.6,33.9,34.6,32.3,30.5
1929,31.2,31.3,30.3,30,29.8,32.8,32.3,31.9,33.2,34.4,31.7,30.3
1930,28.1,27,27.8,29,30.5,32,32,33,34.5,35.8,35.6,30.8
1931,31.1,32,32.9,32.8,30.3,31.9,32.2,34.1,33,35.3,33.4,31.7
1932,30.6,30.6,29,34,30.8,33.5,32.8,31.8,32.9,35,32.7,30.4
1933,29.7,30.7,32.6,32.6,32,33.9,33,33.1,33.2,35.1,32.7,28.9
1934,30.2,29.1,31.2,30.3,30.7,32.7,32.5,33.1,34.3,35.4,31.4,30.7
1935,31,29.7,29.2,31.9,30.6,33.6,32.9,33,34,33.6,32.4,32.6
1936,32,30.5,33.3,31.5,32.1,34.8,33.2,33.3,33.9,35.1,33.2,31.3
1937,30.8,33.9,31.9,30.5,31.5,34.8,33.2,33.5,34.2,35.3,34.6,32.8
1938,30.3,30.5,31.9,31.5,32.7,33.6,32.9,33.2,33.7,35.5,35.2,30.1
1939,30.6,30.3,29.9,30.7,30.8,33.6,33.4,33.3,34.3,35.3,32.8,31
1940,29.9,30.7,31.6,29.6,30.9,35.2,33.1,32.9,33.8,34.2,32.7,30.6
1941,30.1,31.2,30.3,31.4,31.6,31.6,32.7,32.9,33.9,35.8,33.4,29.8
1942,28.9,29,30.3,30.9,31.2,33,32.7,32.5,33.7,34.8,32.9,30.9
1943,29.5,31,30,32.2,33.7,33.6,33.4,32.8,33.8,34.8,33.8,29.5
1944,30.2,29.5,30.7,32.1,32.6,34.4,33.2,33.1,33.1,35.2,33.5,29.6
1945,31.9,31.5,34.6,34.6,32,33.8,32.8,33.1,34.6,36.4,33.7,33.3
1946,29.6,32.7,32.3,31.9,32.9,33.8,33.3,33.7,34.1,35.9,33.6,31.4
1947,29.9,30.3,34.2,33.4,31.4,32.2,32.9,33.6,33.9,36.1,33.2,32.3
1948,30.9,32.1,34.2,30.6,31.9,34.2,33.1,33,33.5,34.4,34.4,30.9
1949,30.5,32.1,30.3,33.7,31,33.7,33,33,34,35.8,34.3,31.8
1950,30.2,31.6,34.7,32.9,32.2,34.6,33.5,33.1,33.4,35.5,34.7,31.3
1951,30.8,29.9,30.8,31.1,31.1,32.7,32.6,32.6,32.4,33.4,32.2,29.2
1952,27.6,29.8,30.2,32,30.9,34.9,32.3,31.6,32,34.4,34.6,31.3
1953,30.4,28.6,30.6,30.1,31.1,32.7,31.9,31.9,33.1,33.9,33.7,30.3
1954,30.1,26.9,30.7,31.9,32.8,34,31.6,31.6,33.2,36.1,33.3,30.7
1955,31.8,30.8,29.4,33,32.3,33.6,31.7,32.3,32.3,33.6,33.6,31.3
1956,30.8,28.1,30.4,30.6,31.7,32.4,31.7,32.4,32.8,34.5,33.3,29.9
1957,28.2,31.6,31.1,30.3,30,32.9,31.6,32.9,33.5,33.1,33.4,30.4
1958,30,31.1,32.7,32.5,33.1,34.7,32.6,31.7,33.9,34.6,33,29.9
1959,30.3,32.5,33.4,34.1,33,33.7,32.3,31.8,33.7,34.9,33.6,30.7
1960,31.6,33.5,34,33.5,33.5,33.5,32.1,32.9,32.8,35.9,34.4,29.5
1961,30.3,32.9,32.7,35.1,33.4,34.8,33,32.7,32.9,33.8,33.4,32.4
1962,31,31.6,34.3,33.6,32.8,33,32.1,32.9,33.3,34.6,34.1,30.5
1963,32.6,33.2,35.3,33.8,34.9,34.4,32.9,33.3,33.7,34.5,34.7,29.8
1964,31.2,33.5,33.8,34.7,35.2,33.9,33,32.4,34.2,34.4,34.6,30.4
1965,28.5,30.4,34.9,33.4,33.2,32.7,30.4,32.5,33.2,34.3,34.2,30.2
1966,32.2,34.4,34.2,34,33.6,34.2,32.5,33.4,32.6,35.1,34.7,32
1967,31.5,31.2,32.2,32.6,32.5,34.2,32.6,32.8,32.5,34.7,32.2,28.5
1968,29.3,30.9,32.7,32.4,32.3,32,31.7,33,33.7,35.1,33.5,32.4
1969,33.1,34.3,35.7,37.6,36.2,33.9,33,31.9,33.8,34.5,35.1,32.1
1970,32.2,33.6,34.8,37.3,33.7,34.5,32.3,32.9,33.5,36.3,32.8,31.8
1971,31.5,30.6,30.9,31.8,32,32.5,31.5,31.9,33.3,36.1,31.6,31
1972,30,30.4,31.3,31.5,31.8,33.4,31.7,31.6,33.2,35.2,35.5,29.5
1973,31.2,29.2,32.6,34.9,33,32.6,32.1,33,32.8,34.4,34.6,30.3
1974,30.5,31.6,31.7,32,31.4,31.9,31.6,32.1,33.1,34.3,32.4,31.1
1975,32,31.6,31.5,31.7,32,33.3,32.4,32.7,32.9,34.9,32.5,31
1976,28.6,29.6,30.9,31.8,34.5,33.1,32.8,33.4,34,33.9,33.6,28.4
1977,30,35.8,35,32.9,31.8,33.9,32.6,32.4,33.9,34.1,34,30.9
1978,30.1,29.8,32.7,32.4,31.1,34,31.7,33,32.7,35.1,33.7,31.1
1979,29.3,33.3,32.1,34.3,33,33.9,32.3,32.3,33.5,34.2,33.1,31.5
1980,29.1,31.6,31.4,33.9,32.4,31.5,31.3,31.9,32.9,34.2,31.8,29.2
1981,30.2,29.2,33.8,33,33,32.8,32.5,32.8,33.7,34.6,33.6,31.6
1982,31.2,29,31.3,31.9,31.7,32.9,32.3,32.4,34,34.5,33.4,29
1983,32.3,32,34,33.1,32.8,31.4,33.1,33.4,34.1,36.5,34,30.8
1984,29,33.2,30.7,31.8,33.5,33.8,32.1,33,33.8,35.2,33.2,30.5
1985,28,31.3,31.9,32,31.3,32.7,31.4,32.3,33.2,35.7,33.1,30.1
1986,28.9,29.6,31.8,33.3,32.4,32.6,31.5,32.8,32.9,34.6,32.3,30
1987,30,31.1,33.8,34.4,34,34.6,33.5,33.9,33.9,34.9,34.4,31.6
1988,29.7,31.2,34.3,33.4,33.2,34,32,32.1,33,34.3,32.6,29.3
1989,30.4,30.7,32.1,32.2,33.1,35.1,32.3,32.7,33.5,35.1,32.1,33.1
1990,28.5,35,35.2,32.4,33,32.3,31.6,33,34.3,36.2,33.3,30.8
1991,31.3,30.2,31.6,33,31.2,32.4,32.3,32.6,33.9,34.9,35.3,32.5
1992,31.1,29.5,33.5,31.4,32.7,34,31.3,32.4,33.7,34.6,33.5,31.1
1993,30.1,30.5,32.3,32.4,33.3,33.5,32.7,33,33.5,34.5,30.8,30.3
1994,29.7,31.9,32.5,33.5,31.9,32.8,31.5,32.6,32.4,33.6,33.9,31.5
1995,30.6,32.4,29.8,33,32.9,33.3,33.3,33.5,33.3,35.8,35.2,29.9
1996,32,32,34.6,33.4,35.4,33.1,32,33.2,33.4,35.4,34.2,30.6
1997,30.7,35.7,33.3,32.8,34.1,34.6,33.4,32.5,33.4,34.8,34.9,31.3
1998,31.4,33.5,34.3,33.7,33.1,33,31.7,32.9,33.7,36,34.8,30.9
1999,29.2,30.1,30.4,32.8,33,34.4,32.1,32.6,33.8,34.4,34.5,31.1
2000,30.4,32.2,33.9,34,35.5,32.3,32.3,32.7,33.8,34.3,34.1,31.7
2001,31.7,33.7,33.7,33.1,32.2,33.1,33.2,33,34.4,35.9,33.1,33.5
2002,31.5,31.2,32,32.4,33.5,33.8,32.8,33.1,34,34.7,33.8,32.8
2003,31,29.4,34.3,33.4,34.3,32.5,32.4,33,33.5,34.6,34.4,31.7
2004,30.8,30.8,33,32.4,34.5,33.4,32.6,33.1,34,36,34.6,31.1
2005,31.4,30,33.6,34.2,35.4,34.5,33.4,33.6,34,37,35,33.9
2006,31,31.1,34.3,32.7,32.5,31.2,32.8,33.6,33.8,35.5,36,31.4
2007,31.4,33.1,34,33.2,33.8,32.7,31.4,32.6,33.8,35.1,34.7,30.4
2008,31.2,32.6,33.9,34.1,34,34.2,32.9,32.9,34,34.7,33.6,31
2009,29.2,29.6,30,33.3,32.7,33.7,33.3,33.4,33.9,36.1,33.8,32.6
