1901,22.6,27,33.2,37.3,35.7,35,32.9,32.2,32,32.1,27.8,24.6
1902,24.8,27.6,34.1,35.3,34.9,34.5,32.1,32.5,32.1,30.8,28,24.2
1903,23.6,25.9,32.6,37,37.1,34,33.5,32.1,32.3,31.2,27.1,24.2
1904,23.9,26.9,33.6,37,34.6,33.3,31.9,32.2,32.8,31.5,27.7,25.3
1905,23.3,24.9,30.9,34.3,34.1,36.1,32.4,31.6,31.8,31.1,28.5,24.8
1906,23.3,26.3,30.8,36.9,36.2,34.8,33.1,31.9,33.1,31.1,28.3,25
1907,24.8,25.9,30.7,34.4,35.5,34.2,32.5,32.5,32.5,31.7,28.8,24.4
1908,22.9,26.5,33.7,38.9,36.4,34.4,32.7,32.3,32.8,32.2,28.1,24.7
1909,24.9,27.2,35.4,35.2,36.4,33,32.8,31.5,32.9,31.4,29.2,24.8
1910,23.3,27,33,36.9,35.8,33.5,32.2,32.1,32.8,30.9,27.8,24.3
1911,25.5,26.4,32,36.3,36.2,33.3,33.3,32.1,31.9,30.7,27.6,23.6
1912,24.5,27.6,32.5,34.7,34.9,34.8,32.2,32.1,32.8,31.2,27.3,24.3
1913,23.8,26.4,31.3,37.6,34.7,32,32.9,31.9,32.5,30.6,27.2,23.9
1914,24.3,27.7,32.4,34.4,34.6,33.7,32.4,31.9,32.5,30.5,28.5,25.1
1915,24.7,27.1,32.3,36.3,35.2,33.7,33.4,32.9,32.4,32.8,29.8,25
1916,23.9,27.4,34.6,36.5,38.2,33.2,32.6,32.3,32.5,31.2,27.8,23.8
1917,23.3,27.2,32.2,36,34.3,33.5,32.6,32.3,32,30.7,27.5,24.4
1918,22.9,27,33.4,35.4,34.8,32.1,33.6,31.4,32.7,31.4,28.1,24.5
1919,24.9,25.9,34.4,36.1,35.9,33.9,32.7,32.7,32.3,31.1,28.2,24.5
1920,24.4,27.3,31.5,36.1,35.8,35.6,33.1,32.4,32.2,31.8,28.7,25.2
1921,24.5,26.7,33.5,37,37.3,34.7,33.1,32.1,32.5,29.9,27.7,25.6
1922,24.3,28.1,34.2,37.9,37.6,32.7,32.6,32,31.9,30.3,28,24.6
1923,24.6,27.1,33.7,37.1,36.3,35.3,32.7,32.2,32.7,31,27.9,25.3
1924,25.1,27.1,35.7,38,36.6,35.8,32.4,32.1,31.6,31.9,27.9,25.3
1925,23.2,25.3,32.8,35.4,35,34.4,32.3,32.6,32.2,30.4,27.9,24.3
1926,24.3,27.8,31.8,35.6,36.1,37,32.6,32.3,32.3,31.3,27.5,25.5
1927,23.9,26.7,31.5,36.7,35.1,34.9,33,32.4,32.6,31.9,28.8,25.6
1928,24.4,27.9,34.6,36.9,35.9,33.4,32.5,32.7,33.2,31.6,28.3,25.1
1929,23.6,26.2,33.4,36.1,36.7,35.2,32.2,32.2,32.6,30.7,27.8,23.9
1930,23,26.6,33.3,36.2,36.3,34.3,32.8,32.2,32.6,31.7,27.4,24.3
1931,25.2,26.6,32.2,37.4,35.4,35.8,32.3,32.7,32,31.3,27.7,25
1932,24.8,25.7,34,36.8,35.9,34.7,32.5,32.4,32.7,32.1,28.2,25.3
1933,23.1,27.4,34.4,35.1,36.2,33.7,32.7,32,32.7,31.5,28.1,25
1934,23.8,26.4,33.2,36.7,36.1,33.8,32.8,32.4,32.9,30.7,27.5,25.3
1935,23.3,26.8,34.1,36.4,37.6,35.8,33.3,31.5,32.4,32,28.8,25.4
1936,23.4,26.5,34.1,37.2,34.6,32.9,32.5,32.7,32.2,30.8,28.8,25.2
1937,23,27.2,32.2,36.6,34.7,33.8,33.4,32,32.6,31.3,27.7,24.5
1938,25.2,25.9,34.6,38.7,33.6,33.4,32.4,32.1,33.1,32.1,27.3,24.8
1939,25.2,27.7,32.8,38,36.4,34.7,32.1,32,32.3,31.1,28,25.2
1940,24.1,26.9,30.6,36.9,36.1,35.2,32.6,32.5,33,32.3,30.1,25.9
1941,24.5,27.7,34.7,37.5,35.9,33.6,33.1,32.9,33,30.5,28.1,26.2
1942,24.6,27.4,33.5,36.5,37.2,35.7,33.1,31.9,32,32.2,29.5,25
1943,25.8,25.9,32.6,34.3,36.6,33.6,32.7,31.9,32.8,32.6,29.7,26.8
1944,25,28,33.2,34.8,38.6,35.9,32.7,32.8,32.8,32,29.4,27.2
1945,24.1,26.1,34.2,35.9,35.6,35.1,33.3,32.6,33.1,30.9,29,24.5
1946,25.6,29.2,34,33.6,34.9,33.8,32.4,32.6,32.9,30.8,30.1,26.5
1947,25.3,28.5,34.1,38,36.4,35,32.8,32.3,32.5,31.3,29.7,26.6
1948,26.3,27.5,32.3,37.4,34.9,34.3,31.7,31.6,32.6,31,29.3,24.8
1949,25.4,27.2,34,33.2,32.5,34.5,32.4,32.2,33,32.1,28.7,25.6
1950,26.4,28.1,33.7,37.8,36.9,33.4,32.6,31.7,33.2,31,28.5,26.5
1951,25.1,28.2,33.1,37.7,35.7,35,33.3,33.5,32.4,33.2,30.1,27.2
1952,27.1,30.1,34.4,34.3,34.8,34.8,32.2,31.8,31.8,31.4,29.3,27
1953,24.5,29.1,35.1,37.6,36.5,33.8,31.8,32.2,31.8,31.2,28.7,27.6
1954,24.1,29.4,34.5,40.3,37.8,32.5,31.7,31.7,32.1,30.2,27.9,25.6
1955,24.9,28.5,35.4,36.4,37.2,34,31.8,31.8,32.7,31.4,28.7,24.9
1956,25.2,28.3,34.2,37.6,36.1,31.6,32.1,32,31.9,30.8,28.2,25.6
1957,23.9,26.6,32.6,38.4,39.3,35.3,32.3,32.5,33.2,32.1,29.6,26.3
1958,26.7,27.9,35.7,38.3,38.1,37.3,33.8,31.9,33.2,33,29.9,27.1
1959,24.6,27.9,33.7,37.3,36.6,34.3,32.6,32.2,31.9,30.8,29,26.4
1960,25.5,30.7,32.3,39.5,37.5,34.9,31.9,32.5,32.2,32,28.9,27.1
1961,25.6,25.3,34.4,38.3,36.7,33.5,32.8,32.3,32.6,31.1,27.7,24.5
1962,24.7,28.7,34.9,37.4,35.5,34.1,33.6,32,33.2,31.3,29.4,26.7
1963,25.8,30.7,33.6,35.7,34.4,33.7,32.7,32.4,33.4,31.5,29.5,27
1964,24.9,28.5,35.3,36.3,34.8,35.3,31.9,32.3,32.7,32.2,29.1,26.9
1965,26.4,28.9,32.9,36.7,37.5,35.8,32.5,31.9,33,31.9,29.6,25.5
1966,25.5,30.3,34.9,38.8,37.9,35.2,33.5,32.1,32.9,31.5,29.9,26.2
1967,25.4,30,32,35.1,36.2,35.2,33.1,32,32.1,31.5,28.7,27
1968,24.6,27.2,33.4,36.3,37,32.3,32.1,32.5,33.8,30.7,28.9,27.1
1969,26,29,35.3,37.4,35.4,34.6,32.6,31.4,32,31.8,29.1,26.8
1970,24.6,27.5,34.2,39,37.4,33.7,32.5,32.5,32,31.1,28.3,26
1971,24.2,26.9,33.2,33.2,33.1,32.4,31.2,30.6,32.2,30.7,27.3,25.5
1972,25.3,25,33.8,37.6,38.4,35.1,33.5,32.2,33.3,31.4,28.1,26.2
1973,24.7,28.3,32.4,37.6,34.2,32.4,32.8,32.2,31.7,30.5,28.1,25.4
1974,23.9,27.6,32.5,35.1,34.8,34.2,31.8,31.8,32.5,32.6,29.1,24.3
1975,24.7,27.6,33.9,37.8,36.6,34.5,31.9,32.3,31.6,32.2,29.7,25.8
1976,25.5,28.7,33.9,37.4,34.9,34.4,33.4,31.6,32.4,32.8,30.9,26.6
1977,25.1,28.9,35.8,36,33.3,33.2,32.4,32.8,32.9,31,29.5,24.8
1978,23.9,26.7,31.9,35.5,34.7,32.7,32.6,32.9,31.8,31.6,30.2,25.9
1979,26.1,26.6,33.1,36.7,39.3,36.3,33.4,33.5,33.4,32.5,31.4,25.7
1980,24.9,27.6,33,38,34.6,33.7,32.7,32.7,33.3,31.4,30.2,26.9
1981,24,27.9,32.4,33.3,33.4,34.3,32.2,33,32.6,33.1,29.8,25.6
1982,25.8,26.8,31.2,35.5,38.3,34.3,34.3,32.4,34.3,32.2,29.4,26
1983,24.4,26.7,33.5,35.4,35,36.4,34.1,33.1,32.7,31.6,30.3,25.9
1984,24.4,26.7,34.6,37.7,36.1,32.6,32.2,32.5,32.4,32.8,29.3,26.4
1985,25,27.9,34.8,37.4,35.1,34.7,31.5,32.7,32,32.1,30.2,27.6
1986,25.5,28.8,33.9,35.2,34.5,35.6,32.4,32.4,32.3,30.9,29.6,26.1
1987,25.3,29.9,33.6,36.1,36.6,35.8,32.5,31.5,32.5,32.6,30.4,27.6
1988,27.1,28.8,33,37.1,35.8,33.3,32.3,32.7,33.7,32.7,31,27.6
1989,24.4,29.4,34.1,38.8,36.8,33.2,33,32.8,32.7,32.8,30.2,26.1
1990,26.7,27.6,31.1,35.1,34.9,34.2,32.5,33.2,33.2,31,31.1,27.2
1991,23.2,29.5,33.6,36.1,35.9,33.1,33.2,32.3,32.1,32.5,30.3,25.2
1992,23.7,25.4,34.1,37.8,35,34.6,32.8,32.3,33.2,31.8,29.4,25.6
1993,24.3,28.5,32,34.5,34.2,33.9,33.3,31.9,32.3,32.3,30.2,26.6
1994,25.1,25.9,33.7,35.7,36.6,33.7,33.3,32.3,33.7,32.4,28.7,25.9
1995,24.9,30.3,33.4,37.9,36.7,35.1,33,32.2,32.8,32.2,28.3,25.5
1996,26.1,28.5,35.2,37,36.8,34.4,33,32.2,31.1,31.8,30.5,26
1997,25.6,26.5,33.3,36,36,34.9,33.1,31.9,31.9,30.9,29.5,24.4
1998,25.2,29.6,33.5,36.2,37.1,35,32.9,31.9,33.8,33.5,30.3,25.9
1999,25.5,29.9,35,38.2,35.6,34.3,32.7,31.9,32.4,31.7,30.1,27.3
2000,25,25.4,32.4,35.3,35.1,33.7,33.2,32.9,31.8,32.3,30.7,26.9
2001,25.9,28.9,33.9,36.7,35.6,34.1,33,32.4,33.3,32.2,31.2,27.5
2002,25.5,29.2,34.4,36.3,35.6,34.3,31.9,32.1,32.5,32.2,30.6,27.5
2003,25,28.8,32.5,37.1,35.7,34.1,33,33.3,33.2,32.6,30.2,25.2
2004,25.1,28.7,35.7,36.3,36.6,34,32.3,33,33.7,31.3,29.4,27.4
2005,24.9,29.5,34.2,36.6,35.7,35.5,32.8,32.9,33.4,31.3,29.8,26.7
2006,26.8,31.5,34.5,36.1,36.2,34.4,33,32.8,32.9,32.3,30.3,27.4
2007,25.5,28,33.6,37.3,36.5,34.9,33,33,32.9,32.8,30.4,27
2008,25.4,26.7,34.7,37,36.2,33.9,32.5,32.7,32.6,32.4,30.5,27.5
2009,27.1,30.2,34.4,38.8,36.2,35.6,33.6,33.1,33.5,32.9,30.6,27.2
