1901,26,27,29.2,30.9,33.4,32.7,31.9,31.3,31.2,31,29.4,25.5
1902,25.5,25.5,26.4,32.4,34.9,35,31.8,31.5,31,31.5,29.5,26.3
1903,25.6,25.9,29.4,32.8,33.1,32.1,31.4,30.2,30.4,29.8,29.4,25.4
1904,23.6,25.7,29.5,32.1,33.2,33.1,31.6,30.4,30,28.6,28,25.7
1905,26.4,28.3,29.2,30.8,33.7,34.4,32.2,31.4,31,30.6,29.7,23.2
1906,25.4,27.4,28.3,31.5,34.4,34,32.5,30.5,31.2,30.8,28.9,24.4
1907,26.2,27.3,28.9,32,33,33.4,31.3,30.5,31.2,30.3,28.3,26.7
1908,27,27.7,29.8,33.1,34.6,34.6,32.3,31.2,31.3,31.2,29.3,25.8
1909,25.6,24.2,29.9,29.9,33,33,31.1,30.9,29.9,31,28.5,24.7
1910,24.8,25.5,28.8,32.3,34.6,33.6,33.5,30.4,30.3,30.3,29.4,27
1911,27.8,26.8,29.3,31.4,33,33,30.4,30.7,30.3,30.2,28,24.4
1912,26.6,28,29.5,31.4,35,32.8,32.1,31.8,32.4,31.2,27.8,24.3
1913,25.8,26.6,29,31.6,34.5,32.9,32.7,31.8,30.9,31.2,30.2,25.8
1914,28.1,27.4,29.2,32,34.1,33.2,31.9,31.2,31.4,31.7,29.7,24.6
1915,25.7,27.6,28.4,31.7,35,35.2,33,32.3,31.4,32.1,30.4,27.2
1916,28.2,29.5,31.6,32.8,35.1,35.5,32.1,31.1,31.1,31.7,29.1,27
1917,26.8,28.9,29.5,32.3,33.9,35.1,32.9,32.5,31.9,32.4,30.6,27.8
1918,26.4,28.7,31.2,33.1,34.6,34.7,33.1,32,32,32.6,28.6,25.8
1919,24.9,27.2,29.2,32.6,35.1,33.9,31.2,32.1,31.4,31.6,30,26.6
1920,25.9,28.4,29.2,32.4,34.9,33.7,33.1,31.7,32.7,31.7,29.5,27
1921,26.4,26.6,29.3,31,33.2,33.2,30.8,30.5,31,32,30.5,27.3
1922,25.9,27.4,27.8,33,35.8,33.4,32.3,32.3,30.8,31.5,27.8,28.3
1923,27.9,25.8,28.2,32,34.9,33.3,32.4,30.7,30.9,31.4,27.9,24.5
1924,27.2,29.5,28.4,30.1,33.2,33.3,31.4,31.9,29.9,31.5,29.6,24.3
1925,25,28.1,30.5,33.3,34.7,32.4,31.7,31.1,31.4,29.9,29.8,26
1926,25.7,29.3,32.7,31.4,35.7,33.4,32,30.9,31.1,30.7,30.3,26.8
1927,27.9,30.1,27.7,31.6,36.4,33.7,31.9,30.7,30.2,32.6,31,26.8
1928,28.7,29.3,30.8,34.8,35.9,34.4,32.3,30.8,31.5,33.2,31.5,28.4
1929,26.9,29.2,28.6,33.5,35.5,34.5,32.4,31.5,32.4,30.5,27.6,27.8
1930,26.1,28.2,28.2,33.6,34.6,34.9,32.6,32.6,32.9,29.9,30.8,28.8
1931,25.6,29.9,30.1,33.4,35.9,36,32.4,31.6,32.2,32.9,29,28
1932,24.1,28.9,28.5,33.2,34.7,34.9,32.4,31.4,32,31.3,30.8,26.2
1933,23.7,24,30.5,31.2,37.9,33.8,32.3,31.2,30.3,31.4,28.9,25.6
1934,24.7,28.2,32.1,32.7,34.6,33.6,32.4,30.7,31,32.1,30.3,28
1935,28.5,26.3,29.5,32.9,34.7,34.5,32.4,30.9,30,31.6,31.4,27.9
1936,27.8,28.2,30,33.8,35.6,34.6,31.6,31,29.7,32,30.6,29.1
1937,24.3,27.3,29.1,33.5,35.3,34.2,32.8,32.8,31.2,34.4,32.6,27.9
1938,28.2,29.9,30.7,32.6,33,33.6,32.4,31.3,30.9,32.5,29.1,27.3
1939,26.3,26.4,31.1,34.6,36.4,33.8,32.1,31.9,30.7,30.5,31.5,27.8
1940,27,28.6,31.4,32.8,35.1,34,32.6,32,32.3,32.2,29,28.2
1941,27.9,29.2,30.5,32.8,35.7,34.3,32.1,32.4,31,31.9,30.8,27.8
1942,28.3,28.1,30.8,32,36.2,35.4,33.4,31.2,31.6,30.3,30.4,28.9
1943,27.2,30.3,32.4,33.9,36.3,34.1,33.3,32.3,30.8,31.2,30.5,26.6
1944,26.5,26.4,28.9,32.9,35.5,33.9,34.1,32.5,31.6,33.3,29.6,27.3
1945,26.7,27.9,29.1,31.2,35.2,34.9,32.9,32.1,33.4,31.5,31.3,28.7
1946,27.1,29.3,31.8,35.3,35.8,35,33.6,32.4,32.2,31.9,30.4,29.1
1947,25.8,29.5,30.8,33,34.1,33.5,32,30.1,30.7,32.4,29,25.3
1948,26.8,27.5,31.3,34.4,35.7,33.6,32.1,32,32.5,30.8,29,27.4
1949,24,26.3,31.5,32.9,35.1,35.3,32.8,32.1,30.3,31.9,33.4,27.3
1950,27.7,30,31.9,34.1,36.2,35,32.4,32.8,31.7,33.1,32.2,29.7
1951,26.6,29,29.2,32.6,34.7,34.7,32.4,32.4,32.5,32.6,31.1,28
1952,29.4,29.3,28.2,31.9,34.8,33.4,32.6,32.5,33.4,34.4,30.8,25.8
1953,29.1,28.1,31,34.1,35.6,36.2,33.6,33.3,32.9,32.7,31.4,27.6
1954,27.8,30.1,31.4,33.8,34.2,35,33.6,32.6,32.7,31.4,31.1,28.6
1955,23.5,25.9,30.2,33,34.6,34.2,31.6,31.9,31.5,30.8,29.3,26.9
1956,27.3,26.5,30.6,32,35.6,35.2,31.8,31.8,30.6,32.8,30.2,27.1
1957,29,29.1,30,32,33.5,35,33.6,33.7,32,30.9,29.2,29
1958,26.9,28.2,30.1,32.7,35.3,35.2,33,31.1,30.2,28.9,27.7,27.3
1959,28.4,28.5,30.1,33.9,36.3,36.2,33.4,32.3,33.2,32.3,31.5,27.7
1960,25.8,26.4,31.7,34.2,35.8,35.5,32.5,31.2,32.4,31.9,31.3,26.1
1961,25.5,28.8,30.5,33.1,36,34.4,32.2,31.9,31.4,32.5,28.7,27.4
1962,27.9,29.3,29.1,33.9,36.1,34.6,33,32.9,31.4,30.9,31.5,27.9
1963,27.2,28.9,31.3,34.7,36.7,35.4,32.4,31.9,32.1,33,31.2,27
1964,26.1,27.4,28.9,33.7,35.6,33.6,33,32.2,31.4,30.4,29.1,25.7
1965,26.2,25.4,28.8,30.7,33.9,35.3,33.6,31.4,31.6,33.9,33.1,26.9
1966,25.1,25.6,30.6,32,35.4,35,33.8,31.4,32.2,31.6,33.8,27.9
1967,26.7,28,31.3,34.6,34.9,35,33,30.8,31.2,31.1,31.6,26.6
1968,25.9,26,28.6,32.4,35,34.1,32.9,31.9,31.9,32.1,30,26.8
1969,28.6,27.2,29.7,34.6,34.4,34.3,33.6,32.1,32.8,31.7,30.3,26.9
1970,26.4,28.9,29.3,33.3,35.9,35.6,33.1,32.5,31.1,32.7,31.6,29.3
1971,27,30,32,32.3,35.1,35.6,32.8,31.1,31.7,31.3,29.7,26.6
1972,27,28.8,33.6,35.3,36.5,33.7,34,33.6,32.3,33.4,28.4,27.5
1973,26.1,26.3,28.1,31.4,34.2,34.3,32.4,31.3,31.4,31.9,30.1,26.4
1974,28.4,29.7,29.9,34.1,34.8,35.2,31.3,32.6,31.2,31.7,29.3,24.9
1975,25.5,26.5,30.5,32.2,34.4,34,31.1,31.6,30.9,32.7,31.5,26.7
1976,26.8,30.1,33,31.8,35.4,35.3,32.5,32.7,31.7,30.6,26.6,25.1
1977,25,28.4,30.3,33.4,34.9,34.6,33,31.9,33.6,32.4,31.1,30.5
1978,29.5,28.2,30.8,33.5,35.3,35.3,33.8,32.6,30.6,30.8,30.3,25.8
1979,24.9,26.8,29.5,33,33,34.6,33.9,32.7,31.8,33.2,30.2,27.6
1980,28.1,29.4,31,32.9,35.4,35.4,34.4,31.5,31.2,30.5,28.6,27.5
1981,25.9,28.9,27.8,31.9,33.8,32.4,32.4,32.9,32,30.3,30.9,28.9
1982,27.1,29.1,31.5,34.7,35.4,34.4,33.1,32.8,33.5,32.2,29.9,25.6
1983,26.3,27.7,29.3,31.9,36.6,36.4,33.8,32,31.9,32.3,29.3,28.3
1984,26.9,28,31.6,33.2,35.2,34.3,31.1,31.2,31.9,31.1,30.3,26
1985,24.1,26.2,29.3,31.6,34.9,34.2,32.8,32.4,32,32.1,29.6,27.3
1986,28,28,31.9,34.6,35,33.9,32.6,32.2,32.7,29.8,30.1,26.2
1987,26.8,27.2,29.6,32.6,34.6,36.2,34.4,32.3,32.4,33,31,26.8
1988,27.4,29.6,30.2,32.1,34.3,34.2,32,31.6,30.7,31.8,29.9,25.8
1989,24.9,26.6,30.8,35.3,35.8,35.6,33.5,30.9,33,33,29.4,26.3
1990,27.1,26.7,30.6,34.1,36.5,36.7,31.5,32.7,32.5,31.8,31,27.4
1991,26.4,28.1,30.6,33.9,35.5,35.3,31.8,31.3,31.5,31.1,28.7,23.7
1992,25.7,26.8,28.6,32.3,33.8,34.5,32.6,31.7,33.2,33,29.4,27.1
1993,26.8,28.6,30.4,34.3,34.1,34.9,32.6,32.6,31.8,31.6,28.2,27.2
1994,28.9,29.3,30.7,33.8,35.8,35.2,34.2,32.3,32.9,32.2,30.1,27
1995,28.8,30.5,31,33.7,35,35.5,34.5,32.2,31.3,33.3,31.9,28.4
1996,29.3,30.4,31.3,34.2,36.5,35.9,33.5,31.8,32.4,32.9,31.5,27.5
1997,26.3,28.7,31.1,30.4,36.5,35.7,34.7,33,32.8,33.2,30.9,28
1998,29.4,28.5,30.8,33.6,36.6,36.5,34.4,33,31.9,33.2,31.5,29.3
1999,28.2,28.3,30.5,32.9,35.6,35.2,32.3,31.6,32.5,32.7,31.2,26.3
2000,26.6,29.8,30.4,33.6,36.4,35.1,33.6,32.1,33.2,31.5,28.7,27.4
2001,26.5,28.6,29.1,33,35.8,35.2,33.4,32.6,32.7,32.3,30.8,26.4
2002,26.8,28.8,31.5,34.5,37.3,35.1,33.4,32.9,32.3,32.5,30.5,26.9
2003,28.7,28.9,31.1,33,36.1,35,33.3,31,31.6,31.9,31.7,28
2004,26.7,27.9,32.3,34.3,35.7,36.2,33.4,32.6,32.3,32.1,29.3,27.3
2005,28.8,27.5,30.5,33.7,34.9,34.5,33.3,32.6,33.2,31.4,30.5,27.2
2006,28.1,29.3,31.1,35.9,36.5,36.2,33.8,32.6,31.5,32.8,32.8,27.2
2007,26,29.2,31.9,33.5,36,35.1,33,32.9,32.5,33.2,31.4,27.1
2008,25.2,28.3,30.6,34.3,35.7,35.3,33,31.5,30.7,33.4,31.8,28.9
2009,27.8,31.6,32.5,33.9,36.5,35.3,34.5,33.1,32.6,32.5,32.1,27.4
