1901,29.4,32.1,34.3,35.4,32.9,31.6,31,30.6,30.6,30.7,29.7,28.5
1902,28.6,31.5,34.4,34.8,33.5,31.7,30.9,30.3,30.4,30.4,29.5,29.1
1903,29.1,30.9,34.8,36,33.4,30.8,30.7,29.8,30.2,30.5,28.5,26.1
1904,27,30.4,33.5,34.2,32.9,31.4,30.6,30.4,30.9,31,28.7,27.2
1905,29.8,32.6,33.6,35.3,33.3,31.6,30.9,30.5,31.1,31,29.9,30.6
1906,30.4,32.6,34.1,35.9,34.1,32,31.3,30.5,31.5,30.6,28.9,28.5
1907,29,31.5,33,34.6,32.7,31,30.5,30.3,30.5,30.8,29.8,26.9
1908,28.9,31.3,33.8,35.4,33,31.5,30.6,30.2,30.6,30.7,28.4,28
1909,28.8,31.7,34.3,34.9,32.5,31.4,30.6,30.4,31.1,31.3,29.2,27.7
1910,29.5,30.8,33.2,34.9,33.3,31,30.5,30.4,30.3,30.4,29.4,27.1
1911,28.6,30.9,33.7,35.3,33.1,31.6,30.6,30.6,31,30.7,30.5,29.2
1912,29.1,31.6,34.2,35.3,33.7,31.8,30.3,29.8,30.3,30.2,28.3,27.9
1913,29.1,31.7,33.1,34.9,32.5,31.5,30,29.9,30.4,30.3,28.5,27.6
1914,28.4,31.8,33.9,35.4,33.3,31.1,30.5,29.6,30.3,29.9,29.3,28.9
1915,29.3,32.5,33.9,35.1,32.4,31.7,30.2,30.2,30.2,31.1,29,26.7
1916,27.7,31.2,34.4,34.9,33.5,31.4,30.8,30.4,30.7,30,28.6,27.2
1917,28.4,30.9,32.9,34.8,33.3,30.9,30.6,29.9,30.2,30,29.3,27.2
1918,27.9,30.2,33.2,34,32.3,31.2,31.2,30.1,31.3,30.9,30,29.7
1919,29.7,31.8,35.3,35.5,33.6,31.5,30.6,30.6,30.3,30.5,29.3,28.4
1920,28,31.1,33.9,34.8,33.3,31.5,30.9,30.5,30.7,30.2,30,28.7
1921,29.6,30.8,34.1,36,32.8,31.9,30.3,30.5,30.4,30,28.6,28.5
1922,30.5,32.7,33.7,35,33.9,31.5,30.2,30.2,30.8,30.5,28.4,27.6
1923,29.8,30.3,34.3,34.3,32,30.7,30.1,29.7,30.6,30.2,30,29.3
1924,29.9,31.6,35.2,34.8,33.4,31.3,29.9,30.1,30.7,29.8,29.7,27.2
1925,28.8,30,34,33.7,33.1,31.7,30.8,30.4,30.7,29.6,29.5,27.1
1926,29.5,31.4,33.1,35.7,33.9,32,30.8,30.1,31.3,30.4,29.4,28.8
1927,29,31.2,34.2,34,32,31.4,30.8,30.4,30.4,29.8,29.2,29
1928,31.3,31.3,34.2,35.2,33.4,30.7,30.6,30.3,30.7,29.4,28.5,29.1
1929,30.3,31.2,33.1,34,33,31,30.4,30.3,30.4,30.3,28.6,29.7
1930,28.8,31.2,32.6,35,32.3,31.3,30.6,29.5,30.5,30.3,29,29.2
1931,29.8,31.8,34.8,36.6,35,32.3,31.1,30.4,30.3,29.2,28.3,28.2
1932,27.7,30.6,33.6,35,34.6,32,30.7,30.4,30.4,29.9,30,27.1
1933,29.2,31.8,34.3,35.7,32.9,31.5,30.3,29.7,30.4,30.3,28.1,28
1934,28.6,31,33.3,34.4,34,31.7,29.9,30.2,30.7,30.2,29.5,26.3
1935,30.6,32.1,34.3,35.2,33.6,31.7,30.2,29.9,30.6,31.2,30.5,29.9
1936,28.6,30.6,33.2,35.6,33.6,31.1,29.9,30.2,30.3,29.4,31.1,31.6
1937,30.8,32,35.7,36,31.9,31.2,29.7,30.2,30.2,31,31.6,29.8
1938,30.5,31.6,34.2,33.8,31.5,30.2,29.1,30,30,30.3,27.4,29
1939,29.6,31.5,33.3,33.6,32.7,30.7,29.3,29.2,29.6,30.7,29.8,25.3
1940,27.7,30.9,33.8,35.5,32.4,31.3,29.8,30,30.9,31.1,29.4,28.7
1941,31.6,32.5,35.4,36.2,33.9,31.7,30.9,29.9,31.1,30.9,30,30
1942,29.4,34.3,34.5,35.1,32.6,31.1,30.3,30.1,30.4,31.4,30.1,28.7
1943,29.1,30.4,34.8,34.4,33.8,31.5,31,30.1,30.5,30.9,28.9,27.8
1944,29.8,32.3,34.9,36,32.5,31.3,30.8,30.5,30.8,31,29.8,28.6
1945,31.6,31.1,33.9,36.3,32.9,31.8,31,30.7,31.4,30.1,30.5,28.7
1946,29.2,29.8,34.6,33.9,32.6,32.7,31.8,30.6,30.9,30.4,30.8,31.2
1947,32.2,32.9,34.6,34.3,35,32,30.8,32.1,31.8,31.3,30.4,30.1
1948,30.9,33.7,35.7,34,33.1,33,30.7,30.5,30.8,31.1,30.2,31.2
1949,28.9,31.3,35,33.6,32.9,33,31.1,30.7,30.8,31.1,29.7,29.1
1950,30.4,31.8,34.8,34.8,33,30.8,31.1,30.6,31,29.7,30.2,26.8
1951,28.4,32,34.3,36,32.8,30.2,30.5,30.2,30.8,30.1,30.3,28.2
1952,30,32.6,32.4,34.8,34.3,31.9,30,29.6,29.7,30.5,30.5,28.1
1953,29.2,30.2,33.9,34.6,32.6,31.3,30.8,29.8,30.6,31.5,29.8,29.1
1954,30.7,32,33.3,36.6,32.7,32.4,32.4,30.6,30.6,30,29.8,27.8
1955,28.1,31.7,33.7,34.3,34,30.3,30.9,29.8,30.9,30.8,28.6,28.1
1956,28.8,32,34.5,34.6,31.7,31.3,30.6,29.8,30.3,31,28.8,28.4
1957,30.4,30.9,33.4,35.7,35.7,31.7,30.6,31.1,30.6,30.7,31,30
1958,29.3,30.5,35.8,37.3,35.9,32.2,30.5,31.1,30.8,30.6,29.2,28.3
1959,30.1,33.4,33.3,36.4,34.2,33.2,30.4,29.9,29.7,31.4,31.1,31.7
1960,30.4,31.7,35.7,37.7,34.3,32.8,30.7,30.1,30,29.9,30.5,27.7
1961,28.7,30.2,33.6,35,32.8,31.5,30.5,30.2,29.6,30.4,29.4,29.2
1962,27.5,31.4,34,35.8,32.2,32,31,30.5,30.8,30.9,30.5,29.6
1963,27.7,31,33.1,35.6,36.1,31.4,29.8,30.6,31,30.1,30.1,27.8
1964,30.9,31.4,33.9,35.4,32.1,31.6,30.6,30.5,30.3,30.7,28.5,27.2
1965,28.3,31.6,33.8,35.6,34.7,30.1,31.3,30.7,30.5,30.6,29.7,29.8
1966,30.4,32.4,34.5,35.8,32.9,31.8,31.1,29.6,30.5,31.1,30.2,30.3
1967,28.2,30.3,34.6,34.6,33.3,32.3,31.3,30.7,29.4,30.3,29.7,28.1
1968,29.6,30.3,33.6,32.9,32.6,30.7,31.1,30.5,30.9,30.7,31.2,31
1969,28.9,32.4,33.9,35.7,33.7,31.2,29.9,29.9,30.5,31.1,28.3,27.6
1970,29,31.9,35.2,33.4,32.5,30.1,29.9,29.6,30.1,29.9,28.6,28.6
1971,27.6,30.2,32.7,35.1,32.6,30.7,29.3,29.3,30.7,29.2,28.1,27.9
1972,28,31.7,32.4,32.7,34.9,32.1,31.1,30.1,31.4,31.1,29.7,28.5
1973,30.1,33.7,33.3,36.6,32.9,31.9,30.5,29.7,29.7,30.5,28,26.7
1974,28.1,29.6,31.5,32.7,32.2,31.1,30.8,29.9,30.5,30.7,28.6,27.8
1975,27.3,31.9,34,36.6,32.9,31.2,30.7,29.9,30.5,30.9,28.9,26.4
1976,28.6,31.3,32.6,34,31.4,31.4,30.8,29.2,30.7,30.5,27.3,28
1977,27.9,28.3,31.2,33.8,31.4,32.9,29.9,30.1,29.6,30.1,27.7,28.1
1978,28.3,29.5,34.6,35.2,32.9,32.2,30.7,30.5,30.4,31,30.7,29.6
1979,31.2,33.1,36.8,36.3,33.7,31.6,32.7,30.6,31.6,31.2,30.5,30.1
1980,30.7,32.7,35.7,36.6,34.7,31.7,31.3,30.5,30.2,30.3,30.9,28.9
1981,29.6,32.8,35.7,35.2,32.7,30.9,29.8,30.6,31.8,30.6,29.3,26.6
1982,28.9,32.4,35.6,33.6,33.9,31.9,30.8,30,29.7,31.3,30.9,27.2
1983,27.6,33.5,36,38.5,35.4,33,32.1,30.9,30.9,30.4,27.6,27.4
1984,28.4,31.6,35.1,35.9,32.9,31.1,30.3,30.3,30.5,29.4,29.9,29.3
1985,29.7,32.5,34.2,34.9,33,30.2,30,29.8,30.8,30.4,29.1,28.4
1986,29,32.4,34.5,35.3,32,31.6,30.1,31.1,31.1,30.9,29.4,28.5
1987,29.8,31.1,33.8,35.4,34.8,31.7,31.5,31.2,30.9,31.4,30.3,26.9
1988,30.2,32.3,34.8,34.5,32.2,30.8,30.6,30.3,31.3,29.5,27.5,27.7
1989,28.9,31.2,32.3,36.4,32.8,30.7,30.9,30.5,30.3,29.7,29.4,28
1990,29,31.1,32.5,35.7,31.8,30.7,29.7,31.2,30.7,30.5,29.8,28.7
1991,30.6,32.7,35.8,35.8,35.1,31.4,31.3,30.2,31.3,30.7,29.5,28.1
1992,27.2,31.7,35.7,37.9,36.4,32.6,30.6,31,30.9,28.5,28.1,27.9
1993,27.5,31.7,33.6,34.9,34,32.7,32,30.7,31.2,30.9,30.8,29.1
1994,31.3,33.4,32.2,35.4,32.8,30.5,29.8,29.4,30.7,30.3,28.9,29.6
1995,29.5,31.2,34.7,36.3,33.4,32.9,30.5,29.3,31.2,30.5,28.6,27.4
1996,29.5,28.9,34.5,33.1,32.4,31.3,30.3,30,30.3,30.1,29.2,28.3
1997,29.1,31.1,33.8,33.2,35.1,33.5,30.8,30.7,30.3,31.1,30.5,30.8
1998,30.5,33.4,36.4,36.4,35.4,33.5,31.6,31.9,31.6,31.7,29.5,29.9
1999,29.8,32.7,35.3,32.9,30.9,31.4,30.7,30.3,29.9,30.2,28.7,25.8
2000,31.1,30.7,34.2,34.6,30.8,30.9,30.1,31.2,29.9,31.2,29.3,29.6
2001,31.5,33,32.3,36.9,31.4,31,30,30.5,30.5,30.6,27.8,29.1
2002,28.9,31.9,33.2,35.6,32.1,31.2,30.1,30.2,29.6,30.6,29.2,29
2003,27.9,31.3,32.5,35.2,33.9,30.9,30.8,30.4,30.6,31.1,31,27.4
2004,29.6,30.4,35.4,35.5,32.5,30.7,29.5,30.3,29.7,30.6,30.2,28.9
2005,29.9,34.2,33.7,36.1,34,31.8,31.2,29.6,30.1,31.1,30,27.7
2006,30,32.4,34.8,34.8,32.3,32.2,30.1,29.7,31,30.9,30.6,29
2007,28.4,31.9,34.5,34.8,31.9,31.4,30.7,30.2,30.5,29.9,28,29.7
2008,30.4,29.3,33.5,34.4,31.3,31.2,30.5,30.2,30.6,31.2,29.2,28.1
2009,28.3,33.5,33.8,34.6,32.8,31.4,30.5,31.5,31.7,31.8,31.5,29.7
