1901,26.7,27.3,31.8,32.5,33.4,32.8,30.4,28.8,29.2,31.8,32.1,29.7
1902,28.8,28.5,32.5,33.2,33.7,32.2,30.5,29.7,29.7,33.3,31.5,29
1903,26.9,27.5,29.2,31.9,33.2,32.5,30.4,29.4,29.9,32.4,30.5,28
1904,27.7,29.4,30.6,32.2,33,31.9,28.9,28.2,29.1,32.8,30.7,29.4
1905,26.2,25.8,29.3,30.9,32.9,31.9,29.6,28.9,30.3,33.3,32.3,28.9
1906,26.6,27,29.6,31.1,32.9,31.8,29.8,29,29.8,33.1,31.9,29.4
1907,28.4,28.5,30.7,32.1,32.5,31.7,30.4,28,29.5,31.4,32,28.9
1908,27.8,27.7,30.3,32.6,32.7,32.1,29,27.6,29.7,32.1,30.4,27.9
1909,26.2,28.4,31.4,32,33.1,31.4,28.7,28.5,29.2,31.3,30.9,28
1910,27.2,28.6,31,31.5,32.5,31.4,29.4,28.4,29.7,31.6,30,27.7
1911,27.4,28.4,29.9,31.2,32.7,31.3,29.8,28.5,29.4,31.9,31.4,30.7
1912,28.9,28.7,30.2,32.6,33.2,32.4,29.7,28.7,29.8,32.5,30.6,28.8
1913,28.2,28.2,28.7,31.6,33.4,31.1,29.5,28.7,29.7,33.2,31,28.2
1914,28.5,27.8,29.6,31.2,32.9,31.9,29.1,28.7,29.5,32.5,32.3,28.6
1915,27.6,27.3,30.5,32,33.1,32,30.7,29.1,29.7,32.7,32.3,28.9
1916,28.4,26.7,32.6,32.2,32.9,31.9,30.1,28.8,30.1,32.9,30.7,28
1917,28.8,28.8,30.5,32.1,32.1,31.1,29.4,28.5,29.4,32,29.3,27.9
1918,27.5,28.2,31.6,30.9,33.3,31.7,30.2,28.9,29.8,32.5,31.9,28.9
1919,27.9,28.2,30.1,31.7,33.1,31.8,29.6,28.2,29.9,32.9,31.8,28.5
1920,28.9,28.5,31.4,31.9,32.8,31.1,29.5,28.8,30.4,33,32.3,28.5
1921,28.2,28.4,31.9,32.8,33.2,32.5,30.2,28.9,29.5,33.1,31.2,29.6
1922,27.4,28.4,31,32.7,32.7,32.3,30,28.1,29.6,32.5,32,28
1923,28.4,27.6,31.7,31.7,32.6,32.1,29.5,28.6,30.3,32.4,30.4,29.4
1924,27.7,27.9,32.6,32.7,33.2,32.7,30.4,29,29.8,32,31,29.4
1925,26.2,27.2,32.5,33.3,33.6,31.6,29.5,29.1,30.2,33.9,32.5,30.4
1926,28.9,30.1,31.2,32,32.8,32.9,30,29.3,29.6,32,30.8,28.9
1927,26.6,28.5,30.5,31.1,32.6,32,29.4,28.7,30.6,32.7,30.3,29.4
1928,28.3,28.3,31.1,33.1,33.2,32.2,29.5,28.5,29.7,32.6,31.6,28.6
1929,27.2,28.5,32.7,33.2,34.3,32.7,30.5,29,30.2,33.1,33.2,28.3
1930,27.7,28.5,31.1,32.6,33.3,32.3,29.3,28.5,30.5,33.6,31.4,29.2
1931,28.4,28.5,31.1,33,33.5,32.8,30.5,29.3,30.3,32.4,32,29.7
1932,29,29,31.6,32.6,33,32,29.5,28.9,29.9,33.9,31.9,29.9
1933,28.5,28.7,31.4,32.9,32.6,32.3,29.8,28.6,30.1,33.8,31.9,29.4
1934,26.3,29,31.6,32.9,32.9,31.8,29.6,28.6,30.1,32.8,31.6,29.9
1935,26.5,28.6,32.1,31.6,32.8,32.4,29.5,28.3,28.9,33.3,31.4,29.7
1936,27.2,28.9,31.6,31.8,33.5,31.7,29.6,29.1,30.1,33.2,32.5,29.2
1937,27.6,28.7,30.7,31.8,32.7,31.8,29.1,28.8,29.9,32.9,32.5,27.9
1938,27.7,28.4,31.5,33.1,33.7,32,29.4,29,29.6,31.7,31,30
1939,28.7,29.3,30.7,31.5,32.4,32.4,29.4,28.8,29.6,33.6,32.5,30.2
1940,29.4,29.6,29.9,32,33.2,32.3,29.8,29,29.8,33.8,32.9,29.2
1941,28,29.6,31.8,33.6,33.9,32.7,29.2,29.5,30.9,34.3,32,29.5
1942,26.8,29.1,31.4,33,33.5,32.7,30.3,29.2,30.3,32.9,30.7,28.2
1943,26.7,29,31.6,33,33.7,32.7,29.9,29.3,29.9,33.4,32,29
1944,27.4,27.6,30.5,32.1,34.1,33,30.1,29.7,30.4,33.3,31,29
1945,25.7,28,31.8,31.7,33,32.4,29.5,30,30.2,31.8,29.9,26.6
1946,27,29.3,30.6,33.2,33.7,32.5,29.7,28.2,29.6,33.3,30.6,28.2
1947,27.2,28.5,30.3,33,33.4,33.1,30.3,29.5,30.3,31.5,30.7,28.2
1948,26.8,27.8,31.4,32.9,34.3,33.3,30.9,29.1,30.2,31.8,31,28.4
1949,28.6,28.3,32,32.6,33,33.1,30.2,29.5,30.7,32.6,30.2,28.1
1950,27.2,26,30.1,33.1,33.2,32.6,28.8,29,30,32.5,30.2,27.4
1951,26.6,27.8,31.8,31.6,32.6,32.5,30.6,29.2,31,33.3,32.4,29.1
1952,27.4,28.7,31.1,32.6,34,32.6,29.5,28.5,29.9,32.6,29.7,28.9
1953,27.1,30,32.4,33.1,33.5,32.2,30.3,29,30.3,33.6,30.7,29.1
1954,26.5,29.2,32.9,32.9,33.6,32.7,29.8,29.1,29.8,32,30.3,28
1955,27.7,29.5,31.9,33,33.4,32.3,30.8,28.5,29.9,32,30.5,30.5
1956,27,28.8,32,33.7,33.8,32,28.2,27.8,29.2,31.7,30.6,28.1
1957,26.7,27.3,29,32.3,32.9,32.7,30,28.8,30,32.6,32.8,29.3
1958,29.1,28.5,32.2,32.8,33.7,33.2,29.8,30,29.3,32.2,31.6,28.9
1959,26.7,28.4,32.9,34.5,34.6,32.4,29.2,28.7,29.3,31.7,31.1,29.7
1960,27,31.5,30,33.2,34.4,32.6,30.3,28.2,30.2,32.4,32.2,29.4
1961,28.2,27.7,32.6,32.8,33.4,31.9,28.8,29.3,29.6,31.8,31.4,28.7
1962,27.1,30.1,30.8,32.5,34,32.7,29.9,29.1,30.1,33.2,32.1,28.9
1963,29.3,31.6,32.2,33.1,33.3,32.8,30.2,29.1,30,32.9,31.7,29.6
1964,26.1,28.2,31.9,32.9,33.7,32.3,30,29.2,30.1,31.9,31.8,29.1
1965,28.9,29.6,31.6,32.5,32.8,32.8,29.5,29.8,30.6,33.4,32.5,30
1966,29.2,30.8,31.4,32,33.7,31.8,30.5,29.7,31,34.8,32.2,28.8
1967,27.3,30.7,31.1,33.2,33.8,31.7,29.5,29,30.1,33.7,31.7,28.4
1968,26.2,27,32.3,32.5,32.5,32.8,30.8,28.8,31.1,34.1,32.7,29.1
1969,27.6,28.4,32,33.4,34.1,32.9,30.8,29.3,29.9,33.2,33,29.7
1970,27.5,27.9,30.6,31.9,33.5,32.2,30.2,29.2,29.7,33.2,31.7,28.8
1971,26.7,28.1,31.8,33.2,33.6,31,29.5,28.7,29.7,31.6,30.5,28.6
1972,28.5,26,31.3,32.6,33.9,33,30.5,29.7,31.3,34.1,31.5,28.7
1973,25.9,29,31.7,34,33.5,32.3,29.8,29.1,28.8,32.9,30.9,28.9
1974,27.5,27.9,32.5,34.1,33.3,32.6,30.6,30.3,32.1,33.4,32.8,28.5
1975,27.3,29,30.8,33.6,33.9,32.3,29.9,29.1,30,32.3,31.1,29.8
1976,27.9,29.2,32.9,32.1,33.3,32.2,30.8,29.2,30.2,34.4,33,29.3
1977,27,29.4,34.4,33.8,33.9,32.3,30,29.7,30.2,35.2,33.2,30.2
1978,27.7,28.6,30.5,33.3,33.8,32.3,29.8,28.8,29.7,33.3,32.1,28.2
1979,27.4,27.1,30.7,32.8,33,32.6,30.7,28.9,31.3,32.1,31.1,29.1
1980,27.3,29.6,31.2,32.5,33.5,31.8,28.4,28.3,29.6,31.7,31.1,28.6
1981,26.2,27.9,30.9,32.3,32.9,33.1,29.9,29,31.4,33.7,29.9,28.3
1982,26.6,27.7,30.7,32,32.9,33.1,30.7,29.5,31.2,34.4,30.7,29.6
1983,28,27.6,29.8,32,33.6,32.4,30.8,29.2,30.8,32.3,31.2,28.2
1984,26,27.8,33.6,34.3,33.8,32.3,29.4,28.1,29.2,32.8,31.6,29.7
1985,26.8,29,32.6,32.1,32.9,32.3,29.6,28.7,30.4,32.3,31.5,29.3
1986,27.8,28,30.8,33,33.9,32.4,30.1,28.5,30,32.4,32.1,28.3
1987,27.8,29.4,31.8,33.1,33.2,33.2,32.2,30.9,31.2,34.4,33,29.9
1988,28.8,29.7,30.2,33,33.3,32.7,30,29.5,30.9,32.8,31,28.8
1989,26.9,28.6,30,31.8,32.5,31.9,29.8,28.9,30.8,32.7,32.3,28.7
1990,29.6,28.7,29.7,32,33.3,32,29.6,27.8,29.6,32.6,31.2,28.6
1991,26.4,27.1,30,32.7,32.2,31.1,28.4,27.7,28.6,31.1,31.8,29.2
1992,27.9,27.1,31,31.3,32.9,32.8,30.4,29.1,30.5,32.7,32.3,30.3
1993,28.7,30.6,31.3,32.4,33.6,32.3,30.5,30.6,30.6,33.3,32.2,30.5
1994,28.5,28.6,33.3,32.6,33.6,32.2,28.9,29,31.9,34.2,32.5,29.4
1995,27.3,29.3,30.8,33,33.7,33.5,30.7,30,30.8,34.5,32.3,29.9
1996,27.6,30,32.6,33.2,33.8,32.9,30.8,28.9,30,32.9,30.4,30.7
1997,27.5,29,32.7,32.3,33.2,31.9,30.9,29.9,31.2,34.1,31.6,27.7
1998,27.7,29,31.9,33.8,34.6,33.2,30.8,30.3,30.8,34.2,32.1,30.2
1999,28,30,32.7,33,33.7,32.1,30.2,29.6,31.2,33.5,32.7,30.7
2000,28.9,28.9,32.5,31.6,33.7,32.9,29.5,29.9,31.3,34.2,33.6,30.5
2001,28.6,29.1,31.7,33.7,34.6,32.3,29.8,29.9,31.5,34.4,33,30.6
2002,28.4,30.4,33.8,34.1,35.4,33.3,30.8,29.2,30.6,34.9,33,30.5
2003,29.9,30.5,32,33.7,34.3,33.3,30.8,29.8,31.1,34.1,33,29.2
2004,28,29.8,34,34.2,35.1,33.1,31.4,28.9,31.4,33.9,33.8,31
2005,27.7,28.8,32,34.3,34,32.8,30.7,29.4,30.3,34.1,32.3,29
2006,28.3,31.5,32,33.4,34.8,33,30.3,28.5,31.3,34.3,33,30.3
2007,29,30.7,33.1,34.5,34.8,33.4,31.3,29.6,31.4,33.7,32.7,29.9
2008,27.1,27.4,31.8,33.3,34.5,32.8,30.3,29.1,30.9,34.2,32.7,31
2009,29.9,31.3,33.3,33.5,34.8,33.5,30.2,30.9,31.7,33.5,32.4,30.3
