1901,20.5,23.8,31.1,37.3,40.9,41.7,36.1,33,34.2,34.9,29.2,23.9
1902,23.9,26.3,33.1,38,41.4,39.4,33.9,33.7,33.4,32.9,28.1,22.9
1903,22.4,24.1,29.9,36.6,40.6,41.2,36.4,33,34.3,32.5,27.7,22.7
1904,22.3,25.7,30.8,38.6,40.1,39.9,33,31.9,32.9,33.1,27.3,23.1
1905,20.2,22,27.4,34.9,41.3,41.3,34.9,35.2,34.7,33.8,29.5,23.3
1906,21.5,22.9,29,37.6,43,39.2,34.4,32.9,33.1,33.4,29.4,24.1
1907,24.2,22.8,27.8,35.3,39.4,40.3,36.7,32.7,34.7,34.1,29.2,22.3
1908,21.9,25.2,30.9,39.1,41,41.1,33.3,32.1,33.5,32.9,27.8,22.4
1909,21.8,23.8,31.6,35.6,40.2,38,33.3,32.9,33.6,33.7,30,22.9
1910,22.2,24.9,31.1,37,41,38.9,34.1,32.9,33.4,31.9,27.5,22.8
1911,23.6,25.4,28.7,37.3,42.5,40,37.5,35.1,32.6,33.3,27,22.7
1912,22.6,25.8,30.1,37.1,41.1,41,34.9,32.9,32.3,33.1,27.1,22.8
1913,22.8,24.3,28.6,38.4,39.1,37.8,34.5,34.3,35.2,34.2,27.9,22.8
1914,24.3,24.6,30.2,37.8,40.9,39.3,34.1,32.8,33.7,32.1,28.7,22.5
1915,22.6,23.3,30.1,36.9,42.6,39.8,35.8,33.6,34.6,35.4,28.8,23.7
1916,23.1,24.5,33.7,38.9,41.3,38.3,34.2,32.4,33.2,32.6,27.1,22.1
1917,22.7,24.8,30,34.1,37.6,38.5,33.4,32.3,32.4,31.9,28.3,23
1918,21.4,25.4,30.7,35.5,42.3,39,36.9,34.5,34.5,33.7,28.2,22
1919,22,23.8,31,36.2,40.1,40.9,33.3,32.4,33.3,32.7,27.8,22.5
1920,22.9,24,30.4,37.2,38,38.6,33.4,33.3,34.9,34.5,29.6,24.3
1921,23,25,33.8,40,43.8,40.1,35.9,32.2,32.3,31.8,28.1,24.6
1922,21.9,26.3,32.6,38.2,42,39.1,34.2,31.9,32.6,32.5,28,22.3
1923,22.6,23.9,31.5,38.6,40.9,42.3,35,32.5,33.5,32.2,28.2,23.1
1924,21.3,24.5,32.3,38.3,38.8,42.2,34.1,32.5,32.8,32.6,27.9,23.3
1925,20.4,23.4,30.8,39.1,40.4,36.7,32.7,33.5,34.1,33.4,27.3,23
1926,22.3,26.1,29.3,34.4,39,41.6,35,32.7,32.9,32.2,26.1,22.5
1927,20.8,23.1,29.6,36.7,39.9,40,34.1,32.1,33.4,33,27.6,24.3
1928,21.9,25.1,31.2,37,42.3,39.6,34.7,34.6,35,34.2,29.1,23
1929,22.1,23.7,32.6,38.3,42.2,39.7,34.2,32.3,34.6,33.2,28.9,22.4
1930,21.6,24.6,32.3,37.5,41,39.3,33.1,32.7,34.1,33.2,28,23.3
1931,23.9,23.4,30.5,39,41.3,40.9,35,33.6,33.1,32.5,28,23.7
1932,24.7,24,31.5,37.1,40.3,41.4,35.6,32.7,33.7,33,28,22.8
1933,20.4,25,31.5,35.6,38.1,38.8,33.6,32.3,32.7,32.3,28.2,23.4
1934,21,25.8,29.7,37.3,40.6,38.5,33.9,32,33.6,31.3,27.6,23.3
1935,20.4,25.1,30.9,34.5,41.6,41.3,34.2,32.4,33.4,32.3,28.5,22.6
1936,20.9,24.4,30.9,36.9,42.1,37.3,33.2,32.3,33,32.4,28.6,22.5
1937,21.3,24.9,29.4,35.5,40.7,40.4,34.5,33.8,33.9,32.6,28,22.4
1938,21.4,23.3,32.5,38.7,42.4,38.1,34.3,33.1,34.5,33.7,27,23.3
1939,23.1,24.8,28.6,36.2,42.5,38.4,34.2,34.1,33.4,33.9,28,23.5
1940,22.4,24,28.8,36,41.6,40.5,35.3,32.7,33.2,33.3,29.4,22.6
1941,21.5,25.7,33.3,40.1,42.2,39.1,36.5,34.2,34.4,35.3,28.8,24.9
1942,21.2,26.2,32.9,38.8,42.1,41.2,33.8,32.3,32.7,33.1,29.5,22.7
1943,22.8,25.3,31.9,35.7,41.4,39.5,34.4,32,33.9,33.1,29.6,24.4
1944,21.5,24.2,29.7,36.1,42.7,38.8,34.3,33.6,33.8,32.8,29.2,24.9
1945,20.5,24.3,31.9,36.3,41.2,40.6,34.8,33.4,33.3,32.3,28.7,22.3
1946,23.6,27,30.9,38.5,40.7,39.5,34.3,33.3,34.3,33.4,28.7,24.1
1947,21.1,26.4,32.3,39.1,42,41.1,34.7,33.4,33.4,31.8,29.4,23.8
1948,22.7,24.4,29.8,39,42.5,41.7,34.7,32.8,33.4,33.3,28,23.4
1949,24.1,25.4,31.7,38.6,41.7,40.6,34.3,33,33.9,33.4,27.5,22.1
1950,23.3,23.9,29.6,36.7,41.5,40,34.1,32.8,33.1,32.8,28,22.2
1951,21.1,24.8,30.7,35.2,41.2,39.8,35.8,33.4,33.4,35.9,29.8,23.7
1952,23.8,27.4,30.5,39,42,38.1,34.1,32.5,34.5,33.9,28.6,23.9
1953,20.7,26.5,34.2,38.7,42.5,41.3,34.8,32.9,33.8,33.3,28.2,25.1
1954,20.7,26.2,31.7,38.8,43,40.7,34.8,33.5,33.4,31.3,28.8,22.5
1955,20.2,25.1,32.8,35.6,40,40.3,34.5,31.8,32.6,30.6,28.3,22.2
1956,21.1,26.3,30.8,38.2,42.3,38.5,32.8,32.6,34.3,31.2,27.9,21.9
1957,19.8,23.8,28.7,35.9,40.1,39.2,34,33.5,33,32.8,29.7,23.3
1958,23.3,25.6,31.9,39.1,41.5,41.1,33.5,32.6,32.2,32.4,28.8,23.9
1959,22.1,24.7,33.2,37.7,40.8,40.1,33.1,32.7,33,32.6,28.6,24.9
1960,21.8,29.7,30.4,36.7,41.9,40.8,34.3,32.3,33.9,32.4,28.7,24.4
1961,21.8,22.7,31.6,37.4,41,39.3,34.3,32.4,32.9,31.5,26.2,20.9
1962,21.4,25.1,30.9,38.4,41.2,41.5,35.7,33.5,32.4,32.5,29,23.2
1963,23.3,28.2,31,36.4,40,39.7,36.3,32.4,32.9,33.9,29,24.1
1964,21.4,25.4,33.9,38.5,39.7,40.8,33.4,33.7,32.5,34,28.6,23.7
1965,24.2,25,30.4,35.1,40.2,42.2,34.9,34.2,33.9,33.2,29.6,24
1966,23.9,28.2,31.9,38.3,42,39.1,37,33,34.2,34.7,28.6,24
1967,22.6,28.7,29.4,36.7,41.4,41.1,34.5,31.8,32.8,33.6,27.9,23.2
1968,20.3,23.6,31.1,37.2,40.9,39.8,33.7,33.4,36,33.2,29.4,23.5
1969,22.1,25.9,35.1,37,39.7,41.6,34.5,33.3,33,34.5,30.2,24.8
1970,22.3,23.9,30.1,39.8,41.2,38,36,33.7,33.5,34.1,29.3,25
1971,21.1,25.9,32,37.7,38.4,35.8,32.5,31.8,33.6,32.5,28.6,24.8
1972,23.2,23,32.4,36.7,43,41.7,36.5,32.9,33.7,33.1,29.5,23.7
1973,22.1,26,31.3,40.5,41.9,39,35.4,32.3,33.8,32.7,29.1,22
1974,22.4,24.7,33.3,39.7,40.7,39.5,34.3,33.4,35,33.9,29.1,22
1975,20.2,24.1,30.9,39.1,42.4,38.6,33.6,32.7,31.3,33.3,29,24.5
1976,23,24.8,30.3,36.8,40.4,37.5,35,32,33.5,34.5,30.5,24.4
1977,22.1,25.5,33.8,36.5,38.1,38.7,32.5,33.1,32.3,33.8,30.6,24.1
1978,22,23.5,28.2,37.2,43.4,38.6,33.1,32.2,32.8,33.5,28.8,24.2
1979,22.8,22.9,29.5,38.7,39.9,40,34.9,34.5,35.9,34.6,29.2,23
1980,22.7,26.9,30.2,40,42.6,38,32.7,33.7,34.3,33.9,29.4,23.9
1981,21.5,26.7,29.7,38.2,40.4,40.7,32.9,33.4,34.7,34.1,27.9,23.5
1982,22.1,22.8,27.8,36.1,37.7,39.6,36.6,33.2,34.8,33.2,28,24.3
1983,21.2,23.6,30,33.6,38.7,38.6,35.2,33.4,33.3,32.2,29,23.1
1984,21.3,23.9,34,37.9,43.6,39.1,33.9,33.5,33.1,34.1,29,24.3
1985,20.9,26.4,34.5,38.4,41.8,39.6,33.6,32.9,32.9,31.3,29.3,23.8
1986,21.9,24.3,30.5,37.4,38.8,39.4,33.4,34.2,34.8,32.5,29.9,23
1987,22.7,27,32.5,38.7,38.7,41.4,37.9,34.7,35,34.2,30.4,23.6
1988,23.4,26.6,31.2,38.9,42.7,38.9,33.1,32.5,34.4,33.6,29.2,24.3
1989,21.1,24.7,30.4,37.1,41.6,38.7,36,34,34,33.8,29.1,22.4
1990,24.8,23.9,28.7,37.1,39.2,39.6,33.2,33.3,32.7,32.6,29,23.1
1991,19.9,25.6,30.7,36.2,40.6,38.6,37.2,32.6,33.6,33.2,28,23.1
1992,21.7,23.3,31,36.6,39.8,40.4,34.8,32.5,33.1,32.3,27.3,23.7
1993,21.3,27,28.2,36.2,41,40.2,34.1,33.7,32.4,32.8,29.7,24.2
1994,22.2,24.3,33.3,35.8,41.3,39.5,33.1,32.7,33.8,33.1,28.4,24.2
1995,20.4,24.7,29.2,35.1,40.9,41.1,35.6,32,33.7,33.9,29,23.3
1996,21.7,26.2,31.6,37.6,40.7,40.9,34.7,32.1,33.3,32.1,28.8,23.8
1997,21.7,24.1,30.3,35.3,38,37.1,35.1,32.5,33.3,31.6,25.2,22
1998,21.2,24.4,28.9,36.2,40.6,40,34.3,31.9,31,32.3,28.5,24.4
1999,20,25.7,32.8,39.8,37.9,38.6,32.6,34.1,33.6,33,30.6,24.3
2000,22.9,23.9,31,39.3,40.8,37.2,34,33.8,33.8,34.4,29.9,24.9
2001,21.2,25.8,31.2,37.1,40.2,37.5,34.5,34.4,34.8,34.3,30,23.6
2002,22.4,25.7,33,38.8,42.2,39.8,37.4,33.6,32.1,33.3,29.1,24.1
2003,23.1,25.3,31,38.9,40.6,40.4,34,33.5,33.6,33.8,29,24
2004,21.3,26.1,34,39.6,41.5,37.9,36.3,33.6,35,32.8,29.4,25.1
2005,22.7,25.8,32.8,37.5,38.2,41.2,33.7,34.9,33.6,33.1,29.1,22.9
2006,22.6,28.9,31,37.4,40.1,37.6,34.7,33.6,34.1,34.3,29.5,24.4
2007,22.3,25.4,30.7,38.8,39.1,38.6,35.1,34.1,34.3,33.2,30,23.3
2008,21.6,24.9,33.7,37.4,38.7,36.7,33.5,33.1,34,34.7,30.6,26.1
2009,23.3,27.2,32.6,38.9,41.1,40.4,35.7,34.8,33.5,33.2,29.5,24.8
