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