1901,28.4,30,32.2,34.2,34.8,33.8,32.8,33.3,32.4,31.2,29.2,28.3
1902,27.4,29.7,33,34.3,35.1,33.6,33,32.3,33.6,31.8,30.4,28.7
1903,28.7,31.3,32.7,34,34.3,34.5,33.1,33.4,33.3,31.1,29.1,27.5
1904,28.3,30.3,32.3,34.4,34.8,33.7,32.5,33.1,32.5,31.1,29.4,28.5
1905,28.1,30,32.4,34.4,35.2,33.9,32.6,33.2,32.7,31.3,29.8,28.5
1906,27.3,29,31.7,33.7,34.8,33.4,32.9,33.1,33,31.3,29.9,28.2
1907,28.8,29.8,32.2,34.4,34.8,33.6,32.1,32.5,32.1,31.2,30.1,28.2
1908,27.6,29.3,32.3,35.2,35.5,33.8,32.6,33,32.4,30.6,28.9,28.5
1909,28,29.9,32.9,34.7,35.7,33.5,33.1,33.3,32.3,31,28.9,28.4
1910,27.1,29.1,30.3,33,34.3,33.1,32.3,33.1,32.3,30.9,28.6,26.9
1911,28.1,30,32.3,34.9,33.2,32.6,32.5,33,32.5,31.8,30.3,28.8
1912,28.4,28.5,32.7,35.6,35,33.3,32.5,33.1,32.3,31.4,28.8,28.9
1913,29,31.2,32.4,32.5,33.3,32.4,32.3,33,32,30.8,29,28.2
1914,27.7,30,30.5,33.9,33.8,32.8,32.9,33.5,32.1,30.9,29.1,29
1915,28,29.3,30.1,32.6,35.4,34.2,33.3,33.5,32.6,31.2,29.7,28.7
1916,29.5,29,31.2,33.4,34.4,33.1,33.3,32.8,32.1,30.7,28.8,28.7
1917,28.3,29.6,32,33.7,34.9,32.9,32.5,32.9,32.1,30.7,29.2,27.3
1918,27.8,30.7,32.4,34.5,34.5,33.1,33,33.2,32.6,32.1,29.8,28.5
1919,27.4,30.2,32.4,33.6,34.3,32.9,32.5,33.1,32.4,31.5,30.6,28.7
1920,28.7,29.5,32.2,35.6,35,32.8,32.4,32.8,32.4,31,29.2,28.3
1921,27.9,29.7,32.4,34.2,33.1,33.1,32.5,33,32.4,30.9,29.8,28.7
1922,28.8,30.5,32.7,35.3,34.9,33.5,32.7,33.5,32.7,31.2,29.8,28.8
1923,28.4,29.9,32.4,34.6,35.1,33.6,32.8,33.3,32.4,30.9,29,29
1924,28.3,28.4,32,34.6,34.9,34.1,33.1,33.3,32.5,30.9,28.8,29
1925,29,29.8,31.7,33.4,33.5,32.9,32.6,33.3,32.4,32.1,29.9,28.6
1926,28.1,29.8,32.4,34.2,34.1,33.5,33.1,33.2,33,31.7,29.2,29.5
1927,28,30.9,32.4,34.6,35.7,34.1,32.6,33.8,32.9,31.3,29.6,28.7
1928,27.6,30.8,32.5,34.1,34,34.7,33.1,33.8,33.2,31.9,29.6,28.6
1929,29.1,31.5,33.3,35.8,34.9,33.2,32.2,33.2,32.4,31.3,30.4,27.8
1930,28.7,30,31.9,33.3,35,33.1,32.3,33.7,32.6,31.7,29.3,27.9
1931,27.9,30.2,31.4,33.6,34,33.6,32.6,33.4,32.8,31.6,29.2,29.6
1932,29.7,31.3,31.9,33.8,34.5,33.3,32.5,33.4,33.3,31.5,28.1,28.8
1933,28.6,31.1,32.3,35.6,35.1,33.4,32.7,32.8,32.2,31.2,28.6,28.1
1934,28.5,29.5,30.6,34.2,33.8,32.9,32.3,33.4,32.6,31.2,29.7,28.9
1935,27.8,28.8,32.2,34.7,35.1,33.7,32.5,32.9,32.9,31.1,29.3,28.9
1936,29.6,31.5,32.8,34.3,34.3,33.5,32.4,33.5,32.6,31.7,29.9,28.3
1937,30.3,31,32.5,34.4,33.9,33.6,32.4,33.1,32.3,30.8,28.5,27.7
1938,28.1,29.4,32.4,33.3,34.1,32.6,32.1,33.4,32.1,30.6,29.7,27
1939,28.2,30.6,31.3,34.1,34.1,32.9,32.3,33,31.7,31.3,28.5,29
1940,27.6,28.6,31.9,33.9,34.1,33.1,32.6,33.5,32.7,30.7,29.4,28.4
1941,27.8,29.5,31.6,34.8,33.5,34.5,32.9,33.9,31.6,30.3,29.5,29.3
1942,27.6,30.3,31.8,34.5,35.1,33.7,32.7,32.9,32,31,29.2,28.9
1943,28.4,29,31.2,33.7,34.4,33,33,33.7,32.4,30.2,27.4,27.3
1944,27.1,31.3,32.4,34.8,34.8,32.4,32.7,32.4,32.5,29.3,30.9,26.1
1945,29.9,32.2,34.1,35.1,35,34.2,33.9,33.2,32.5,32.2,30,31.1
1946,30.6,32.6,32.2,33.7,35,32.7,33.1,33.9,32.9,31.3,30.8,27.8
1947,28.5,28.6,32.8,35.8,34.1,34.1,32.8,33.6,33.1,33,31.9,29.5
1948,29.4,31.3,32.1,33.6,33.2,33.5,32,34.1,33.5,31.5,30.6,29.3
1949,30.3,30.1,33,34.9,34.8,35.3,34.2,34.1,32.4,31.8,28.6,28.6
1950,29.4,30.2,30.4,33.1,34.4,32.7,31.9,32.4,32.3,31.7,28.5,28.2
1951,28.5,29.2,31.8,33.5,34.5,34.1,31.9,33.6,32.2,31.4,29.6,30
1952,29.6,30.8,33.7,33.4,34.6,32.9,31.8,33.3,33,29.8,29.8,29.1
1953,29.4,32.1,32.8,36.4,35.6,34.6,33.7,34.3,32.8,31.3,30.4,29
1954,29.7,31,31.7,33.4,33.5,32.8,32.3,33.6,32.6,30.9,30,29.4
1955,28.7,30.1,32,35.4,35.4,34.4,31.4,33.7,32.7,30.9,30.3,29
1956,27.7,30.6,31,34,33.7,31.2,32.8,33.5,31.9,31.7,28.7,28.8
1957,30.4,30.8,31.1,34.1,34.8,34,32.5,33.8,32.8,30.9,31.3,27.8
1958,27,30.1,32.5,35.1,34.5,34.4,32.1,34.4,32.9,32.3,31,28.2
1959,28.7,31.8,31.8,34.1,35.3,34.7,33.4,34.1,34.5,31.7,29.8,28.8
1960,29.5,30.1,31.7,34.3,35.9,33.7,32.3,33.1,32.9,32.4,29.8,28.1
1961,28.4,30.1,33.2,33.9,35.1,33.7,32.6,34,32.7,31.7,29.5,28.9
1962,28.5,32,32.5,34,33.9,33.9,32.9,33.6,33.1,32,28.6,28.6
1963,28.9,31.1,32.2,34.4,34.7,34.7,33.4,33.6,31.9,30.9,29.7,27.4
1964,27.6,30.2,34.1,35.8,35.8,33,32.6,33.8,32.9,30.6,29.4,28.1
1965,27.7,30.7,32.7,35.6,34.4,33.9,32.8,32.8,32.6,30.8,30,29
1966,29,29.7,30.5,34.6,33.6,32.8,32.5,33.2,32.2,30.6,27.6,26.8
1967,28.1,29.1,32,33.6,34.6,33.9,32.4,33.2,32.5,30.4,29.2,29.3
1968,27.1,29,31.2,35,33.8,33.2,32.3,33.3,32.8,30.7,30.1,28.2
1969,28.7,30.9,31.1,35.4,35.1,34.7,33.3,33.2,32.5,32.3,29.3,29.6
1970,28.4,29.3,33.3,35.6,33.9,34,32.2,33.2,31.9,31.3,27.2,28.9
1971,29.4,31.5,33.2,34.8,35.9,33.4,32,32.9,33.6,31.4,30,29.9
1972,29.9,30.6,33.4,35.1,35.6,34.1,33.2,32.5,32.7,32,31.5,29.1
1973,29.8,30.5,33.9,34.6,35,33.8,33.2,32.7,33.3,30.8,30.4,29.9
1974,29.1,30.1,31.3,34.5,35.2,33.1,32.4,33.6,32.1,29.1,29.6,28.8
1975,28.5,31.6,33.3,36.8,36.1,36.1,33.5,33.8,32.3,30.7,29.3,27.9
1976,26.5,28.7,33.3,34.1,34.5,32.3,32.8,33.8,33.4,32,28.1,27
1977,28.2,28.5,33.7,32.1,33.7,32.6,32.6,33.5,33,31.3,29.9,28.5
1978,27.7,29.4,31.3,34.2,35.3,33.2,32.2,33,32.3,31.4,30.1,29.7
1979,28.9,29.5,31.4,34.8,34.6,32.8,33.4,32.8,31.9,31.3,29.2,28.4
1980,29.9,29.6,33.1,32.9,36.2,33.6,33.3,33.6,32.5,30.7,29.2,27.1
1981,27.2,29,32.2,33.3,35.9,33.1,32.6,33.3,32.1,31.2,29.9,30
1982,30,31,32.8,35.4,34.1,33.7,32.4,33.1,31.9,31.2,29.5,29.3
1983,28.5,30,31.6,34.9,36.3,35,32.3,33.3,32.7,31.1,31.3,29.7
1984,28.1,29.1,32.6,36.1,33.3,32.8,32,32.4,31.6,32.1,30,28.3
1985,28.2,29.2,31.7,33.7,34.4,34,33,33.8,32.8,31.8,30.1,27.7
1986,26.8,31.7,31.5,35.1,34.1,33.8,32.4,33,32.2,31.4,30.2,29.2
1987,28.9,30.8,32.2,32.4,35.6,33.9,32.3,33.1,33.6,31.1,30.3,29.2
1988,27.3,29.1,31.7,34.9,35.8,34.2,33.4,33.3,32.3,30.6,31.2,28.1
1989,28.6,30.7,32.3,33.8,33.9,34.2,33.5,33.6,31.6,30.8,30.1,27.6
1990,28.2,30.7,31.3,33.5,34.3,33.1,32.9,33,32.4,31.6,28.4,28.1
1991,29.8,29.7,34.2,36.1,34.8,34.3,33.8,33.8,32.1,31.5,28.4,28.1
1992,28.5,29.3,32.9,33.6,33,35.1,33,33.3,32,30.9,30.1,29.3
1993,29.2,32.4,33.8,34.3,34.3,34.2,32.7,32.8,32.6,31.4,29.2,28.3
1994,28.3,30.6,32.3,35.4,34.7,33.9,33.4,32.9,32.5,32.3,30.9,28.2
1995,29.7,31.1,32.7,34.1,36.2,34.4,32.6,32.8,32,30.7,30.4,28.8
1996,28.4,30.6,31.7,33.3,33.9,33.3,32.6,32.7,33.8,31.4,29.1,28.7
1997,29,30.3,33.4,34.4,35,34.8,32.7,34.2,32.3,31.3,29.8,28.7
1998,29.4,31.6,32.8,35.4,36,35.8,32.7,34.4,33.9,31.7,30.1,29
1999,29,31.3,32.8,35.5,35.7,33.1,32.6,33.5,32.3,30.8,28.7,28.3
2000,29,31.3,33,35.5,35.6,33.5,33.9,33.5,32.8,31.5,31.1,29.2
2001,28.9,31.7,32.8,34.5,34.6,34.3,33.6,33.8,33.4,31.9,30.9,29.8
2002,29.8,30.8,32.9,35.8,35.6,34.1,34,34.1,33.3,32.8,31.1,29.7
2003,30.2,31.4,33.9,34.9,36.4,35.1,33.2,34.6,34.1,32.9,30.7,29.1
2004,29.5,31.3,33.7,35.2,35.1,34.9,33.9,35.1,34,32.5,31.6,30.2
2005,30.1,32.1,33.7,35.7,35.7,34.3,33.6,34.9,33.9,31.6,30.2,29.5
2006,29.2,30.3,33.5,35.2,34.7,33.7,33.1,34.1,33.9,32.2,29.9,29
2007,28.6,31.4,33.3,35,35.2,34.6,33.8,33.7,33.2,31.6,30.1,29.9
2008,29.7,31.8,32.5,35,36.1,33.2,33,33.9,33.4,30.7,30,29.3
2009,28.7,30.7,33.2,35.3,36,34.5,33.9,34,33.9,32.8,29.6,29.8
