1901,21.4,24.4,32.1,37.5,41.5,42.3,36.5,32.3,34.5,35.8,29.5,24.7
1902,24.4,26.8,34.2,38.6,41.9,40,34.2,33.6,33.3,34.1,28.5,23
1903,23.1,24.8,31,36.6,40.7,42.1,36.6,32.3,34.2,33,27.5,22.6
1904,22.7,25.7,31.4,38.7,40.9,40.7,32.8,31.2,32.9,33.8,27.9,23.8
1905,21.3,22.3,28.6,35.5,42.3,42.2,35.1,35.5,35.1,34.5,30.3,24.1
1906,22.2,23.9,29.8,37.6,43.6,39.7,34.5,32.5,32.7,34.1,29.5,24.4
1907,24.3,23.9,29.3,35.7,40,41,37.3,31.8,34.5,34.4,29.1,22.4
1908,21.9,25.4,31.2,38.8,41.3,41.5,33,31.4,33.3,33.3,28.2,22.7
1909,22.2,24.4,31.7,35.7,40.2,38.8,33,31.9,33,33.7,29.9,22.9
1910,22,25.6,31.7,37,41.8,39.8,34.6,32.6,33.5,32.4,27.7,23.3
1911,24.6,25.7,29.8,37.6,43.1,41.2,38.3,35.4,32.7,34.3,27.1,23.4
1912,23.4,26.4,30.9,37.9,42.3,42.4,35.5,32.6,32.3,33.8,27.7,23.3
1913,23.2,25.5,29.7,39.1,39.9,38.9,34.9,34,35.6,35.3,28.8,23.9
1914,24.8,25.7,31.4,38.9,42.1,40.1,34.4,32.3,34.1,33.2,29.4,22.8
1915,22.7,23.7,31.2,37.2,43.5,41.1,36.6,33.4,35.3,35.8,28.8,24.2
1916,23.6,25,34.1,39.5,41.7,39.2,34.8,31.8,33.4,32.9,26.6,22.5
1917,23.4,25.5,31.2,34.9,38.8,39.4,33.5,31.6,32.6,32.3,27.9,23.5
1918,21.5,25.6,31.2,35.9,43.2,40.3,37.7,34.6,34.9,34.6,28.9,22.8
1919,23.1,24.5,32.2,37.3,41.2,42.2,33.4,31.7,33.5,33.3,28.2,23
1920,22.8,25,32,37.6,38.8,39.4,33.5,33,35.6,35.7,30.3,24.3
1921,24,26.4,34.4,40.7,44.2,41.5,37.1,32,32.6,33.2,28.5,25.4
1922,22.8,27,33.1,38.8,42.1,39.9,34.5,31.4,32.6,33.4,28.2,23.2
1923,22.7,24.9,32.2,38.5,41.2,43.1,35.5,31.6,33.6,32.9,28.3,23.6
1924,21.8,25,32.9,38.4,39.4,42.4,34.3,32,33,32.7,27.9,23.5
1925,20.8,23.2,31.4,39.6,40.8,37,32.5,33.2,34.6,34.5,27.9,23.2
1926,23,26.7,30.7,35.1,39.8,42.2,35.2,32.1,32.7,32.7,26.5,22.5
1927,20.8,23.8,30.3,37,40.6,40.6,34.1,31.5,33.2,33.7,27.6,24.6
1928,22.4,25.7,31.9,37.5,42.8,40.4,34.9,34.2,34.9,34.7,29.7,23.3
1929,22.5,23.9,33.3,38.8,42.6,40.5,34.2,31.8,35.1,34.1,29.2,23
1930,22.4,25.1,32.9,37.8,41.6,40.2,32.9,32,34.2,34.2,28.2,23.4
1931,24.3,24.4,31,39.1,41.9,41.4,35.4,32.9,33.1,32.9,28,24
1932,25.1,24.6,32.1,37.3,40.8,42,35.9,32.1,33.7,33.6,27.4,23
1933,20.6,25.6,32.1,36.2,39,39.4,33.6,31.4,32.4,32.5,28,23.3
1934,21.3,25.9,30.2,37.2,40.8,39.1,34,31.5,33.2,31.1,27.2,24.5
1935,21.1,25.8,31.5,35.1,41.7,42,34.5,32,33.4,32.7,29,23.6
1936,21.3,25.7,31.5,37.4,43.3,38.5,33.6,32,33.3,33.3,29,23.7
1937,21.5,26.2,29.9,36.5,41.5,41.5,34.7,33.7,34,33.4,29.1,22.7
1938,22.4,24,33.4,39,43.5,38.8,34.9,32.9,35,34.5,27.4,23.2
1939,23.8,26.1,29.5,36.4,42.9,39.3,34.5,34.2,33.4,34.5,27.8,23.5
1940,22.8,24.8,30,36.3,42.3,41.4,35.7,32,33.4,33.7,29.6,23.5
1941,22.1,26.3,33.8,40.1,43,40,37,33.9,34.7,36.6,29.2,25.3
1942,21.4,26.8,33.5,39.6,42.8,41.9,33.8,31.7,32.6,33.4,29.5,23.2
1943,23.7,25.4,32.5,36.4,41.7,39.9,34.4,31.3,33.7,33.3,29.4,24.8
1944,22.3,25.3,30.4,36.6,42.8,39.4,34.4,33.1,33.9,32.9,29.3,25
1945,21.2,24.9,32.7,37,41.6,41.2,35,32.9,33.2,33,28.5,22.5
1946,23.1,27.4,31.6,39.8,42,40.2,34.5,32.5,34.2,34.4,28.6,24.6
1947,21.5,27.1,33.3,39.3,42.6,41.6,35.1,32.9,33.3,32,29.6,24
1948,23,25.1,30.6,39.2,43,42.2,35,32.3,33.5,34.4,28.4,24.2
1949,24.3,26.3,32.5,39.1,43,41,34.6,32.5,34,33.5,27.4,22.8
1950,23.8,24.2,30.5,36.7,42,41.2,34.4,32.4,33.1,33.1,27.6,22.1
1951,21.7,24.9,31.3,35.5,41.7,40.3,36.2,32.7,33.6,36.8,30.3,23.8
1952,23.9,28.2,31.8,39.7,42.8,38.5,34.3,31.8,34.6,34.5,28.7,24.3
1953,21.3,26.6,34.9,39.1,43.3,42.2,35.4,32.3,33.7,33.7,28,25.5
1954,21.1,27.2,32,38.8,43.5,41.7,35.1,33.2,33.2,31.6,29.1,23.1
1955,20.2,25.1,33.3,35.9,40.3,41.1,35.2,31.3,32.4,31.1,27.9,22.6
1956,21.3,26.4,31.3,37.9,42.8,39.4,32.7,31.9,34.5,31.7,27.4,22.7
1957,20,23.9,29.2,36.1,40.1,40,34.1,32.9,32.7,33.4,29.7,23.3
1958,24,26.3,32.7,39.4,41.9,41.7,33.4,32.3,31.5,32.5,28.2,24.1
1959,22,25.4,33.8,37.8,41,40.5,33.1,31.9,32.6,33.3,28.7,25
1960,22.3,29.8,31.2,36.9,41.7,41.3,34.6,31.4,34.1,33,28.7,24.2
1961,22,23.4,32.3,37.4,41.6,39.7,34.2,31.5,32.3,32.3,26.9,21.2
1962,21.8,25.9,31.5,38.9,41.7,42.1,35.9,33.2,32.2,32.8,29.3,23.6
1963,22.9,28.5,32.3,37.2,40.9,40.6,37,31.8,32.7,34.5,30,24.1
1964,21.5,25.7,34.5,39.1,40.5,41.2,33.8,33.2,32.6,33.9,28.5,24
1965,24.5,26,31.5,35.7,40.7,42.7,35.3,34.1,33.7,34,30.1,24
1966,23.7,28.6,32.3,38.3,42,39.2,37.6,32.3,34,35.5,28.4,23.9
1967,22.1,28.9,30.1,37,41.8,41.3,34.5,31.3,32.2,34.2,28.7,23.8
1968,20.7,24.1,31.7,37.5,40.8,41.3,33.8,32.7,35.9,33.9,29.7,24
1969,22.7,26.1,35.3,37.6,40.5,42.6,34.8,33,33.5,35.5,30.3,24.6
1970,22.6,23.9,30.7,39.8,41.7,38.6,36.6,33.2,33.5,34.6,29.4,24.9
1971,21.2,26.4,32.7,38.6,39.6,36.2,32.5,31.2,33.3,32.9,28.9,24.4
1972,23.1,23.4,32.8,37.4,43.1,42.3,36.9,32.3,33.9,34.5,30.3,24
1973,22.7,26.9,32.1,40.6,42.9,40.3,35.6,31.8,33.9,33.6,29.3,22
1974,22.5,25,34,39.9,41.1,40.5,34.6,33,35.6,34.1,29.3,22.7
1975,21,24.5,31.8,39.7,42.9,39.5,34.1,32.3,31.4,33.4,28.8,24.8
1976,23.4,25.6,31.3,37.5,41.3,38,35.5,31.7,33.2,35.2,30.5,24.6
1977,22.6,26.3,34.7,37.2,39.4,39.7,32.7,32.7,32.2,35,31,25.5
1978,22.6,24.2,29.4,37.7,44,39.3,33.2,31.5,33,34.1,29.8,24.2
1979,23.3,23.7,30.8,39.3,40.2,41.2,35.3,34.1,36.6,35.5,29.1,23.8
1980,23.1,27.8,31.4,40.6,43.5,39.1,33,33.5,34.9,35.4,29.7,23.8
1981,22.6,27.4,30.7,38.9,41.7,41.9,33.2,33.1,35.3,34.5,28.2,24.1
1982,22.4,23.1,29.1,36.6,38.4,40.8,36.9,32.8,34.9,34.4,28.3,24.7
1983,21.7,24.4,31.1,34.2,39.4,39.3,35.3,32.7,33.5,32.8,29.2,23.5
1984,21.9,24.2,34.5,38.6,44.1,40.2,34.5,32.8,33,34.4,29.7,24.9
1985,21.7,26.5,35,38.4,42.8,40.7,34.1,32.4,33.3,31.7,29.7,24.5
1986,21.8,24.5,31.7,38.3,40.1,40.4,33.7,34.1,35.6,33.6,30.5,23.6
1987,22.8,27.7,32.9,39,39.2,42.3,39.1,35.1,35.8,35.3,30.7,23.8
1988,23.7,27.5,32.4,39.9,43.6,40.5,33.7,32.6,34.8,34.1,29.4,24.4
1989,21.5,25.7,31.2,37.8,42.7,40,36.7,33.9,34.7,35.1,30.3,22.9
1990,25.7,24.8,29.9,38,39.9,40,33.7,33.3,32.7,33.5,29.6,24.3
1991,21.6,26.7,31.7,37.1,41.8,40.1,37.8,32.2,34.2,34.9,28.3,23.8
1992,22.7,24.1,31.9,37.3,41,42.4,35.7,32.5,33.3,33,27.8,24.6
1993,22.3,27.6,29.5,37.6,42.2,41,35,34.1,31.8,33.3,29.9,24.4
1994,22.4,24.6,33.8,35.9,41.7,39.8,32.7,31.7,33.3,33.6,28.4,24.5
1995,20.4,24.9,29.5,35,41.1,42.1,36.2,31.7,34.1,34.4,29.2,23.3
1996,21.6,27.5,32.6,38.1,41,42.5,35.6,31.8,33.2,32.4,29.4,24.4
1997,21.6,24.1,31.3,35.7,38.4,37.6,35.1,31.6,32.2,32.4,25.6,22.8
1998,21.3,24.8,29.8,36.4,40.9,41,34.8,31.4,30.3,33,28,23.8
1999,19.4,25.5,33.7,37.8,37.6,39.7,31.6,33.7,33.4,33.1,30.3,24.1
2000,23,24.1,32,40.1,41.2,38.6,34.3,33.6,34.4,35.4,30.5,25.6
2001,21.7,26.8,32.7,38.1,41.4,38.2,34.6,34,34.9,35,30,24.7
2002,22.5,26.1,33.7,39.8,43.1,40.8,37.5,33.2,32.7,34.4,29.6,25.1
2003,21.6,25.9,32.6,39.7,41.8,41.5,34.4,33.1,33.2,34.3,29.5,24.3
2004,22.1,26.8,35.3,39.9,41.3,39.1,36.9,32.8,35,33.6,29.9,24.7
2005,22.3,26.2,33.4,38.2,39.2,41.8,34.5,34.3,33.8,33.6,29.6,23.2
2006,23.1,29.5,31.8,38.4,41.2,38.9,35.1,33.2,34.3,34.8,29.7,25
2007,23.2,26.8,32.3,40.2,41,40.5,35.3,33.7,34.2,33.6,30.2,23.8
2008,21.6,25.1,35,38.6,39.8,37.3,34.8,33.2,33.8,35.2,30,26.2
2009,23.8,27.8,33.9,39.3,42.1,42.1,36.1,34.4,34.2,33.7,28.8,24.8
