1901,21.5,25.1,32.7,38.2,41.9,42.2,35.5,31.3,33.3,35,29.2,24.7
1902,24.6,27.6,35.1,39.2,42.3,40.5,33.6,32.8,32.5,33.4,28,23
1903,23.5,25.7,31.8,37.3,40.7,42.2,35.7,31.6,33.1,32.3,27.4,22.9
1904,23.2,26.4,31.9,39.1,41.2,40.3,31.9,30.6,32.1,33.3,27.8,23.9
1905,21.8,23.2,29.8,36.1,42.7,42.3,34.2,33.9,33.8,33.8,29.9,24
1906,22.4,24.8,30.9,38.4,43.8,39.6,33.5,32,31.8,33.2,29.3,24.4
1907,24.4,24.9,30.4,36.2,40.3,40.8,36.2,30.9,33.6,34.3,29.2,22.6
1908,22.3,26.5,31.9,39.4,41.7,41.6,32.3,30.8,32.8,33,28.2,22.9
1909,22.9,25.5,32.9,36.2,40.9,38.4,32.2,31.3,32.1,33.2,29.6,23.1
1910,22.5,26.6,32.8,37.8,42,39.2,33.7,31.8,32.7,31.9,27.3,23.6
1911,24.9,26.6,30.7,38.3,43.3,39.8,36.4,33.5,31.8,33.5,27.1,23.5
1912,23.7,27.3,31.9,38.4,42.4,42.2,34.5,31.7,31.8,33.3,27.5,23.2
1913,23.4,26.2,30.6,39.6,40.2,38.2,33.7,32.6,34.5,34.9,28.8,23.9
1914,25.2,26.6,32,38.8,42,39.6,33.3,31.6,33.2,33.1,29.5,23.3
1915,23.2,24.5,31.9,37.7,43.3,41.4,35.4,32.2,34.2,34.8,28.8,24.3
1916,23.7,25.7,34.9,39.7,42.1,38.2,34.1,31.2,32.7,32.4,26.6,22.6
1917,23.6,26,31.8,35.7,39.7,38.9,32.6,31,32.1,32.1,27.5,23.8
1918,21.7,26.7,32.4,36.8,43.4,39.7,36.2,33,33.8,34.3,29.1,22.9
1919,23.3,25.4,33,37.8,41.2,41.3,32.4,30.8,32.6,32.7,28.2,23.2
1920,23.1,26,33,38.2,39,39.2,32.5,32,34.4,35.2,30.1,24.8
1921,24.3,27.1,35.2,40.9,44,40.7,35.9,31.1,31.9,32.9,28.3,25.6
1922,22.8,27.9,33.9,39.2,42.3,39.4,33.4,30.7,32,32.9,28.1,23.2
1923,23,25.8,33.2,39,41.3,43,34.4,30.7,32.8,32.4,28.3,23.9
1924,22.3,26.1,33.9,39.2,40.1,42,33.4,31.4,32.3,32.2,27.6,23.6
1925,21.2,24.6,32.6,40,40.5,37.1,31.5,32.3,33.4,33.8,27.6,23.1
1926,23.3,27.6,31.3,35.2,39.9,42.2,34.3,31.4,32,31.6,26.1,22.2
1927,21,24.4,30.7,37.3,41,40.4,33.2,30.9,32.7,32.8,27,24.3
1928,22.6,26.4,32.6,37.9,42.7,40,33.6,33,33.9,33.9,29.5,23.1
1929,22.7,24.7,34.1,38.7,42.6,40.1,33.1,30.8,33.9,33.2,29.2,23
1930,22.9,25.9,33.7,37.9,41.6,40,32,31.2,33.2,33.9,28,23.9
1931,24.9,25.3,32.1,39.9,42.2,41.4,34.6,32.1,32.3,32,27.9,23.9
1932,25.6,25.4,32.6,37.8,41.2,41.6,34.4,31.4,32.7,33.2,27.5,23.7
1933,21.5,26.7,32.9,36.9,39,39.2,33.2,31,31.7,32.1,28,23.5
1934,21.7,26.9,31.3,38,41.2,39.2,33,31,32.2,31,27.2,24.2
1935,21.4,26.4,32.4,35.6,41.9,41.3,33.4,31.1,32.5,32.3,28.9,23.7
1936,21.5,26.3,32.3,37.8,43.2,38.4,32.9,31.3,32.3,32.7,28.7,23.5
1937,22,26.8,30.9,36.8,41.7,40.9,33.6,32.4,33,32.6,29.1,22.9
1938,23,24.8,34.2,39.4,43.5,37.6,33.6,32,34,33.6,27.5,23.6
1939,24.2,26.9,30.5,37.3,42.7,39,33.2,32.8,32.3,33.9,28,23.5
1940,23.1,25.7,30.9,37.1,42.3,40.8,34.4,31.1,32.5,33.1,29.3,23.4
1941,22.4,26.8,34.5,40.4,43,39.9,35.3,32.5,33.7,35.6,29.2,25.5
1942,21.6,27.1,34,39.9,43,41.8,32.6,31.1,31.9,33,29.2,23.2
1943,24.1,25.8,33.4,37.1,42.2,39.6,33.3,30.5,32.9,32.6,30.3,24.5
1944,22.5,25.9,31,37.3,42.9,39.2,33.2,32,33,32.2,29.1,25.3
1945,21.3,25.7,33.5,37.3,41.8,40.9,33.8,32.1,32.3,32.3,28.1,22.6
1946,23.7,28.2,32.6,40.2,42.2,39.5,33.3,31.4,33.2,33.6,27.8,24.5
1947,21.5,27.2,33.8,39.4,42.8,41.1,33.7,32.1,32.3,31.5,29.3,24.3
1948,22.9,25.6,31.7,39.8,43.4,41.3,34,31.6,32.5,33.7,27.8,23.9
1949,24.6,26.9,33.4,39.7,43,40.7,33.6,31.8,33,32.8,27.3,23.1
1950,24,25.1,31.3,37.4,42.3,41.1,33.5,31.5,32.5,32.6,27.5,22.5
1951,21.9,25.9,32.4,36.4,42,40.5,35.3,31.7,32.8,35.9,30.2,23.7
1952,24.4,28.7,32.6,40,43.2,38.9,33.3,30.9,33.7,34,28.6,24.6
1953,21.6,27.9,35.9,39.7,43.2,42.1,34.2,31.7,32.9,33.2,28.1,25.6
1954,21.6,27.9,32.8,39.4,43.6,41.3,34.3,32,32,31.2,28.9,23.6
1955,21,26.8,34.6,36.8,40.9,40.6,34,30.8,31.5,30.3,27.6,23
1956,22.1,27.2,32.7,38.8,42.7,38.2,31.8,30.9,33,31.3,27,23.2
1957,20.6,24.9,29.8,36.9,40.6,40.1,33.1,32.2,31.8,33.1,30,24
1958,24.6,27.1,33.6,40,42.3,42,32.5,31.9,30.7,31.6,28.1,24.3
1959,22.7,26.3,34.9,38.8,41.3,40,32.5,31.1,31.6,32.6,28.7,25.1
1960,22.3,30.7,32.1,38.2,42.5,41.5,33.9,30.4,33.2,32.4,28.7,24.9
1961,22.7,24.1,33.1,38,41.7,39.3,32.8,30.9,31.2,31.4,26.9,21.4
1962,22.2,26.4,32.2,38.8,41.8,41.5,34.5,31.9,31.1,31.9,29.2,24
1963,23.1,28.8,32.4,36.5,40.4,39.1,34.5,30.6,31.7,33.6,29.8,24.1
1964,22.1,26.7,35.4,39.8,41,40.6,33.2,32.1,31.8,33.5,28.7,24.4
1965,24.3,27,32.2,36.5,41,41.9,34.4,33.1,32.6,33.5,29.8,23.8
1966,23.8,29.3,33.3,38.4,41.8,38.6,36.4,31.5,33.7,35.3,28.7,24.3
1967,23,29.9,30.4,37.4,42.5,40.6,33.6,30.7,31.2,34.5,29.1,23.9
1968,21.5,25.5,33.6,37.9,40.7,40,33.1,31.8,34.8,33.5,30.1,24.5
1969,22.8,26.6,34.7,36.9,40.2,40.5,33.5,31.5,32.3,34.7,30.9,25.2
1970,22.9,24.6,31.1,39.7,42,38.1,35.2,31.8,32.1,34,29.5,25
1971,21.9,26.9,33.1,38.6,39.7,35.8,31.5,30.5,32.1,32.2,28.9,24.3
1972,23.3,24,32,37.8,42.7,42,35.2,30.9,32.9,33.9,29.7,24.2
1973,23.6,27.6,32.8,41.1,43.6,39.9,34.2,31.2,32.7,33,28.9,22.1
1974,22.5,26,35,40,41.2,40.3,33.5,31.7,34.8,33.4,29,23
1975,21.5,25.5,32.5,39.8,43.2,39.3,33,31.4,30.9,32.8,29,24.6
1976,23.7,26.3,31.9,37.8,41.5,37.9,34.4,30.8,32.1,34.6,30.6,25.1
1977,23.2,27,35.4,37.6,39.7,39.5,32.1,31.7,31.5,34.4,30.8,25.5
1978,22.9,24.9,30.5,38.2,44.2,39.3,32.6,30.7,32.1,33.7,30.1,23.9
1979,23.4,24.3,31.6,39.6,40.4,41.4,34.5,33,35.8,35.2,29.3,24
1980,23.5,28.5,32.4,40.7,43.7,38.9,32.3,32.4,34.1,35.2,29.7,24.1
1981,22.7,28,31.7,39.4,42,41.9,32.5,32.2,34.3,34.1,28.3,23.8
1982,22.7,23.8,30,37,38.9,40.7,36,31.5,33.9,34.1,27.9,24.8
1983,22,24.9,31.9,35,40.1,39.6,34.3,31.8,32.5,31.7,28.5,23.3
1984,21.7,24.5,35.2,39,43.8,39.6,33.6,31.4,32,34,29.4,24.9
1985,22.1,27.1,36,39,43,40.1,33.2,31.4,32.7,31.3,29.6,24.7
1986,22.2,25.1,32.4,39.2,40.6,40,32.8,32.9,34.7,33.5,30.2,23.5
1987,22.6,28,33.4,39.5,39.7,42.2,37.3,34.1,34.4,34.7,30.5,23.7
1988,23.9,28.2,33.2,40.2,43.7,40.3,32.8,32,34,33.5,29.2,24.4
1989,21.7,26.7,31.9,38.4,43,39.5,35.3,32.8,33.9,34.7,30.4,23.2
1990,26.3,25.8,30.7,38.4,40,38.9,32.5,32.3,31.7,33.2,29.4,24.4
1991,21.7,27.6,32.5,37.5,42.2,39.9,36.6,31.2,33.3,34.9,28.3,24.1
1992,23,24.9,32.9,37.9,41.4,42.3,35.1,31.6,32.3,32.5,27.7,24.7
1993,22.9,28.1,30.2,38.2,42.2,40.6,34.3,32.8,31.2,33.1,29.8,24.6
1994,23,25.2,34.4,36.2,41.7,38.8,31.1,30.6,32.5,33.3,28.5,24.6
1995,20.5,25.5,29.9,35.9,40.7,41.7,35.2,31,33.2,34.1,29.3,23.8
1996,22.1,27.8,33.5,38.6,41.3,41.7,34.8,30.9,32.6,32.2,29.7,24.7
1997,22.2,25.4,32.4,36.3,39.1,37.9,34.1,31.2,32,32.2,26.2,22.2
1998,21.3,25.8,30.6,37.3,41.8,41.1,34.1,31.4,31.1,33.4,28.1,24.5
1999,20.9,26.4,34.1,39.2,39.3,39.5,32.1,32.3,32.3,32.9,30.6,24.4
2000,23.8,24.8,32.6,40.5,40.9,38.5,33.4,32.8,33.5,35.5,30.8,26
2001,22.4,27.8,33.6,38.4,41.7,37.9,33.2,33,34.1,34.7,30.3,25.3
2002,22.9,27.1,34.5,40.2,43.5,40.6,36.6,32.2,32.3,34.3,29.9,25.8
2003,22.6,26.7,33.3,40.1,42.1,41.3,33.8,32.3,32.2,33.6,30.1,24.9
2004,22.5,27.5,36,40.3,41.4,38.7,35.6,31.7,34.2,33.5,30,24.9
2005,22.8,27,34,38.6,40.2,41.8,33.5,33,33.1,33.3,29.7,23.6
2006,23.8,30.2,32.2,38.9,41.5,39.2,33.7,32,33.5,34.6,29.8,25.4
2007,23.7,27.5,33,40.4,41.3,40.3,34,32.7,33.5,33.5,30.4,24.3
2008,22.4,25.9,35.6,39,40.4,37,33.7,32.3,33.3,34.8,30.2,26.6
2009,24.3,28.7,34.6,39.6,42.4,42.1,34.8,33.3,33.6,33.4,28.9,25.2
