1901,21.7,24.9,32.5,37.5,41.1,41.1,34.1,30.1,32.3,34.5,28.9,24.8
1902,24.7,27.5,34.8,38.6,41.5,39.5,32.6,31.6,31.5,32.8,27.6,23.1
1903,23.6,25.4,31.4,36.6,40,41,34.3,30.5,31.9,31.9,26.9,22.9
1904,23.4,26.1,31.5,38.5,40.5,39.1,30.9,29.5,31.2,32.9,27.6,24.1
1905,22,23,29.7,35.5,42,40.9,32.8,32.4,32.6,33.2,29.6,24
1906,22.4,24.6,30.8,37.7,42.8,38.4,32.2,30.7,30.8,32.5,29,24.4
1907,24.4,24.9,30.4,35.6,39.5,39.7,34.9,29.6,32.4,33.8,29,22.7
1908,22.5,26.1,31.4,38.7,40.8,40.2,31.1,29.6,31.7,32.5,28,23
1909,23.1,25.5,32.7,35.8,40.2,37.6,31.1,30.1,31.1,32.5,29.1,23.3
1910,22.8,26.4,32.4,37.1,41.1,38,32.3,30.6,31.6,31.3,26.9,23.8
1911,25.1,26.3,30.4,37.5,42.3,38.6,34.9,32.1,30.8,33.2,27.2,24
1912,24,27.3,31.7,37.8,41.6,41.1,33.2,30.4,30.8,32.8,27.3,23.3
1913,23.4,26.2,30.4,38.9,39.5,37.3,32.4,31.1,33.2,34.3,28.6,24.1
1914,25.3,26.5,31.7,38.1,41.4,38.5,32.1,30.4,32.2,32.6,29.4,23.4
1915,23.5,24.6,31.8,37.1,42.5,40.5,34.2,31,33.1,34.2,28.7,24.3
1916,23.9,25.6,34.5,39.1,41.4,37.2,32.9,30.1,31.8,32,26.5,22.8
1917,23.9,25.9,31.7,35.3,39.4,37.8,31.4,30,31.1,31.6,26.8,23.9
1918,21.8,26.6,32.1,36.1,42.4,38.6,34.8,31.7,32.6,33.8,29.1,23.1
1919,23.6,25.4,32.8,37.2,40.6,39.9,31.3,29.7,31.7,32.2,28.3,23.4
1920,23.4,25.8,32.7,37.5,38.3,38.3,31.4,30.7,33.3,34.5,29.8,24.9
1921,24.4,26.9,34.8,40.1,43,39.5,34.6,30,30.8,32.3,27.9,25.6
1922,23,27.8,33.6,38.5,41.5,38.4,32.1,29.7,31,32.4,27.8,23.2
1923,23.3,25.6,32.9,38.3,40.5,41.8,33.1,29.6,31.8,31.9,28.1,24.3
1924,22.7,26.2,33.8,38.6,39.5,40.8,32.2,30.2,31.3,31.6,27.2,23.7
1925,21.3,24.5,32.4,39.3,39.8,36.2,30.6,31.1,32.5,33.5,27.8,23.4
1926,23.7,27.6,31.4,34.8,39.5,41.3,33.1,30.3,31.2,31.6,26.1,22.5
1927,21.4,24.4,30.6,36.8,40.2,39.3,32,29.7,31.7,32.3,26.5,24.4
1928,22.8,26.2,32.2,37.2,41.8,39,32.3,31.5,32.7,33.2,29.1,23.1
1929,22.7,24.6,33.7,38,41.7,38.9,32,29.7,32.7,32.6,28.9,23.1
1930,23.1,25.5,33.3,37.3,40.9,39,30.9,30,32.2,33.4,27.5,24
1931,25,25.3,31.7,39.1,41.4,40.5,33.3,30.8,31.3,31.5,27.5,24
1932,25.5,25.1,32.1,37,40.6,40.3,33,30.3,31.8,32.7,27.2,23.8
1933,21.9,26.6,32.6,36.4,38.4,38.1,32,29.8,30.8,31.6,27.7,23.5
1934,21.8,26.8,31.1,37.4,40.4,38.4,31.8,29.8,31.1,30.6,27,24.3
1935,21.5,26.2,31.9,35,41.1,40.1,32.1,30,31.4,31.8,28.5,23.8
1936,21.8,26.1,32,37,42.3,37.3,31.8,30.2,31.4,32.2,28.4,23.5
1937,21.9,26.7,30.6,36.2,40.9,39.8,32.2,31,31.9,32.1,28.8,23
1938,23.4,24.6,33.9,38.6,42.4,36.5,32.2,30.8,32.9,33,27.1,23.7
1939,24.3,26.8,30.2,36.6,41.7,38.2,32.1,31.6,31.2,33.3,27.6,23.4
1940,23.2,25.7,30.5,36.5,41.5,39.6,32.9,30,31.6,32.6,28.8,23.4
1941,22.5,26.6,34,39.4,42.1,39.1,33.7,31.2,32.6,34.8,28.8,25.5
1942,21.8,26.9,33.6,39.2,42,40.6,31.4,30,30.9,32.3,28.5,23.3
1943,24.2,25.6,33,36.5,41.5,38.3,32,29.3,31.8,32,29.7,24.2
1944,22.6,25.7,30.9,36.6,41.9,38.3,32,30.7,31.9,31.6,28.6,25.3
1945,21.5,25.3,32.9,36.6,40.9,39.8,32.4,30.9,31.3,31.8,27.6,22.5
1946,23.7,28,32.2,39.5,41.3,38.3,32.1,30.1,32,33.1,27.2,24.8
1947,21.8,26.9,33.3,38.4,41.8,39.9,32.4,31,31.3,31.1,28.9,24.4
1948,23.2,25.6,31.6,39,42.5,40,32.7,30.3,31.4,33.3,27.7,23.8
1949,24.8,26.7,33,38.9,42.1,39.4,32.5,30.7,31.9,32.4,27.1,23.2
1950,24.2,24.9,31.1,36.8,41.3,39.9,32.3,30.4,31.5,32,26.9,22.6
1951,22.1,25.6,32.2,35.8,41.1,39.3,33.9,30.5,32,35.4,29.9,23.7
1952,24.4,28.5,32.2,39.2,42.3,38,32.2,29.7,32.6,33.5,28.2,24.9
1953,21.9,27.9,35.5,38.8,42.2,40.7,32.9,30.4,31.9,32.5,27.8,25.5
1954,21.8,27.7,32.5,38.6,42.7,40.2,33,30.9,30.9,30.7,28.5,23.7
1955,21.3,26.6,34.2,36.1,40.1,39.3,32.9,29.5,30.4,30,27.3,23
1956,22.3,27.2,32.5,38,41.8,37.2,30.6,29.6,31.9,30.8,26.9,23.3
1957,21,24.7,29.6,36.3,39.8,39.2,31.9,30.8,30.8,32.5,29.8,24.2
1958,24.6,26.9,33.2,39.3,41.5,40.8,31.3,30.8,29.6,31.2,27.9,24.2
1959,22.9,26.2,34.5,38.1,40.7,38.9,31.2,29.8,30.5,32.1,28.5,25.1
1960,22.3,30.2,31.6,37.4,41.5,40.1,32.8,29.2,32.3,32,28.5,25.1
1961,22.9,24.1,32.9,37.4,41,38.3,31.7,29.7,30,30.8,26.8,21.6
1962,22.3,26.2,31.8,38.1,41.2,40.5,33.2,30.8,30.1,31.4,28.9,24
1963,23.3,28.7,32.2,36,39.9,38.3,33.3,29.4,30.8,33,29.4,24.4
1964,22.2,26.6,35,39.2,40.3,39.5,31.9,30.8,31,33.1,28.4,24.4
1965,24.4,26.7,32,35.9,40.6,40.7,33.2,32,31.7,33.1,29.7,24.2
1966,24,29,32.9,37.8,40.9,38,35.2,30.3,32.4,34.7,28.5,24.6
1967,23.1,29.7,30.5,36.8,41.6,39.4,32.4,29.4,30.3,33.8,28.8,24.2
1968,21.6,25.2,33,37.3,40,39.3,32,30.3,33.8,32.9,29.7,24.5
1969,23.1,26.7,34.5,36.8,39.8,39.5,32.5,30.2,31.2,34.1,30.5,25.1
1970,23.1,24.8,31,39.1,41.3,37.1,33.9,30.6,31,33.4,29.1,24.9
1971,22.1,26.9,32.9,38.3,39.3,35.1,30.3,29.4,31.2,31.7,28.5,24.2
1972,23.5,24,32.3,37.1,41.9,40.7,33.9,29.8,32,33.5,29.4,24.3
1973,23.5,27.6,32.6,40.4,42.8,38.9,32.6,29.9,31.4,32.4,28.8,22.3
1974,22.8,25.9,34.8,39.4,40.5,39.4,32.5,30.6,33.7,32.7,28.6,23
1975,21.5,25.5,32.1,39.2,42.1,38.4,31.8,30.1,29.9,32.2,28.5,24.7
1976,23.8,26.3,31.8,37.2,40.7,36.9,33.1,29.7,31.3,34,30.6,25.3
1977,23.1,27,35.3,37.2,39,38.5,31.1,30.4,30.6,34.1,30.6,25.5
1978,23.1,25,30.4,37.7,43.1,38.2,31.4,29.4,31.3,33.2,29.9,24.1
1979,23.6,24.3,31.3,39,39.7,40.2,33.2,31.6,34.7,34.5,28.9,24
1980,23.8,28.3,32.3,40,42.8,37.7,31.2,31.2,33.1,34.5,29.5,24.1
1981,22.6,27.9,31.5,38.8,41.3,41,31.3,30.7,33.2,33.4,27.7,24
1982,22.8,23.9,29.8,36.4,38.2,39.6,34.7,30.2,32.8,33.5,27.6,25
1983,22.2,24.8,31.7,34.4,39.6,38.7,33.1,30.7,31.6,31.2,28.2,23.3
1984,21.9,24.5,34.9,38.4,43,38.6,32.5,30,30.9,33.4,29.1,25
1985,22.3,26.9,35.8,38.2,42.1,39.1,32.2,30.1,31.8,30.7,29.2,24.7
1986,22.4,25.1,32.3,38.6,40,39,31.6,31.4,33.6,33,30,23.7
1987,22.9,27.9,33.1,38.8,39.1,41,36,33,33.5,34.2,30.4,23.9
1988,24.2,28.2,33,39.7,42.8,39.5,31.7,30.8,33,32.9,29,24.6
1989,22,26.8,31.7,37.8,42.3,38.4,34.1,31.5,32.9,34.2,30.3,23.4
1990,26.4,25.8,30.6,38,39.4,37.9,31.2,31.1,30.7,32.8,29.2,24.6
1991,22,27.5,32.4,36.9,41.5,39,35.2,30.1,32.2,34.4,28.2,24.2
1992,23.3,24.8,32.6,37.3,40.6,41.3,34,30.5,31.3,32.1,27.6,24.8
1993,23.1,28.1,30.2,37.6,41.6,39.7,32.9,31.6,30.2,32.7,29.6,24.8
1994,23.1,25.1,34,35.8,41.1,37.7,30,29.3,31.2,32.7,28.2,24.7
1995,20.7,25.5,29.9,35.6,40.3,40.8,33.9,29.8,32.3,33.6,29.1,24
1996,22.5,27.7,33.4,38,40.6,40.6,33.6,29.7,31.6,31.5,29.5,24.9
1997,22.4,25.6,32.3,35.7,38.6,37.1,32.9,30.1,31.1,31.9,26.6,22.9
1998,21.9,25.9,30.6,37.1,41.3,40.2,32.7,30.5,30.2,33.2,28.2,25
1999,21.4,26.4,34,38.9,39,38.4,31.2,31.1,31.4,32.3,30.2,24.5
2000,23.9,24.9,32.6,40,39.9,37.6,32.1,31.6,32.5,34.9,30.6,26.1
2001,22.7,27.8,33.3,37.9,41,36.9,32,31.7,33.1,34.1,30,25.6
2002,23,26.9,34,39.6,42.5,39.5,35.1,30.7,31.4,33.9,29.7,26.1
2003,22.7,26.8,33.1,39.4,41.4,40.2,32.6,31,31.1,33,30.1,25.2
2004,22.9,27.3,35.7,39.6,40.6,38,34.3,30.4,33.2,33,29.7,24.9
2005,22.8,26.9,33.7,37.9,39.7,40.7,32.5,31.6,32.1,32.7,29.4,23.7
2006,24,29.9,32.1,38.4,41,38.3,32.5,30.7,32.4,33.9,29.6,25.5
2007,23.9,27.4,32.8,39.7,40.7,39.4,32.8,31.3,32.5,32.7,30,24.4
2008,22.5,25.5,35.2,38.3,39.9,36.2,32.6,31,32.1,34.1,29.8,26.7
2009,24.7,28.8,34.5,39,41.6,40.9,33.5,31.9,32.6,32.8,28.6,25.4
