1901,20.5,23.7,31.2,37.1,41,41.8,36.4,33,34.4,35.1,29.2,24
1902,23.8,26.2,33.2,38,41.5,39.4,34.2,34,33.5,33.2,28.2,22.7
1903,22.4,24.1,30,36.3,40.5,41.5,36.6,32.9,34.4,32.6,27.6,22.5
1904,22,25.4,30.7,38.4,40.3,40.2,33.1,31.9,33,33.2,27.4,23.1
1905,20.3,21.7,27.5,34.9,41.6,41.5,35.2,35.6,35.1,34,29.7,23.4
1906,21.4,22.9,28.9,37.3,43.2,39.3,34.7,33,33,33.6,29.4,24
1907,24,22.8,27.9,35.1,39.5,40.4,37,32.6,34.9,34.1,29,22.1
1908,21.7,25,30.7,38.7,41,41.2,33.3,32,33.5,32.9,27.8,22.3
1909,21.4,23.7,31.3,35.3,40,38.3,33.4,32.8,33.5,33.6,29.9,22.6
1910,21.8,24.8,31,36.7,41.3,39.2,34.5,33.1,33.6,32,27.5,22.7
1911,23.6,25.3,28.8,37.2,42.6,40.4,38,35.5,32.8,33.6,26.7,22.7
1912,22.6,25.6,30.1,37.2,41.4,41.4,35.3,33,32.4,33.3,27.2,22.8
1913,22.7,24.3,28.7,38.4,39.2,38.1,34.8,34.5,35.5,34.5,28.1,22.9
1914,24.2,24.6,30.4,38,41.2,39.5,34.4,32.9,33.9,32.2,28.8,22.3
1915,22.3,23.1,30.3,36.8,42.9,40.2,36.3,33.8,35,35.4,28.6,23.7
1916,23,24.3,33.7,38.9,41.3,38.7,34.5,32.5,33.3,32.5,26.8,22
1917,22.7,24.7,30.2,34.1,37.5,38.8,33.6,32.3,32.5,31.8,28.1,23
1918,21.1,25.1,30.5,35.3,42.7,39.5,37.4,34.9,34.8,33.9,28.3,22
1919,22,23.7,31.1,36.3,40.4,41.5,33.6,32.4,33.5,32.8,27.8,22.4
1920,22.5,24,30.7,37.1,38.1,38.7,33.6,33.6,35.3,34.9,29.8,24.1
1921,23,25,33.8,40.1,44,40.6,36.5,32.4,32.5,32.2,28.2,24.6
1922,21.9,26.2,32.6,38.2,41.9,39.3,34.6,32,32.7,32.7,28,22.4
1923,22.2,23.9,31.5,38.4,40.9,42.5,35.4,32.4,33.6,32.4,28,22.9
1924,21.1,24.3,32.2,38,38.7,42.2,34.4,32.6,33,32.5,27.8,23.2
1925,20.2,22.9,30.7,39.1,40.6,36.6,32.7,33.7,34.4,33.6,27.3,22.8
1926,22.3,25.9,29.4,34.3,39.1,41.6,35.2,32.7,32.9,32.2,26.1,22.2
1927,20.4,23,29.6,36.5,40,40.1,34.3,32.1,33.5,33.1,27.6,24.2
1928,21.7,25,31.1,36.9,42.5,39.8,35,34.8,35.1,34.3,29.2,22.9
1929,22,23.4,32.7,38.3,42.3,39.9,34.3,32.4,34.9,33.5,28.9,22.4
1930,21.5,24.5,32.2,37.4,41.1,39.5,33.1,32.7,34.3,33.4,28,23
1931,23.7,23.3,30.3,38.7,41.3,41,35.3,33.6,33.2,32.5,27.8,23.5
1932,24.5,23.9,31.5,37,40.3,41.6,35.9,32.7,33.7,33,27.7,22.6
1933,20.1,24.8,31.3,35.6,38.3,38.9,33.6,32.1,32.6,32.1,27.9,23.2
1934,20.7,25.6,29.5,37,40.5,38.6,34.1,32,33.7,31.2,27.3,23.5
1935,20.4,25,30.8,34.4,41.5,41.5,34.5,32.5,33.5,32.4,28.6,22.8
1936,20.7,24.6,30.7,36.9,42.5,37.6,33.5,32.4,33.2,32.6,28.6,22.7
1937,21.1,25,29.3,35.5,40.9,40.7,34.7,34.2,34.1,32.7,28.3,22.2
1938,21.5,23.3,32.5,38.6,42.9,38.4,34.9,33.4,34.9,33.9,27,23
1939,23,24.9,28.5,36,42.6,38.6,34.5,34.5,33.6,34.1,27.8,23.3
1940,22.2,24,29,35.9,41.8,40.8,35.7,32.6,33.4,33.2,29.4,22.7
1941,21.4,25.6,33.2,40,42.5,39.2,37,34.4,34.7,35.7,28.8,24.8
1942,20.9,26.1,32.9,38.9,42.2,41.4,33.9,32.3,32.7,33,29.4,22.5
1943,22.7,25,31.8,35.7,41.3,39.5,34.5,32,34,33,29.4,24.4
1944,21.4,24.3,29.6,36,42.7,38.9,34.4,33.7,33.9,32.7,29.1,24.6
1945,20.4,24.2,31.9,36.3,41.2,40.8,35,33.5,33.3,32.4,28.6,22.1
1946,23.1,26.8,30.8,38.7,41.2,39.8,34.5,33.3,34.4,33.6,28.5,23.8
1947,20.9,26.2,32.3,39,42.1,41.3,35.2,33.5,33.5,31.7,29.4,23.6
1948,22.3,24.3,29.6,38.9,42.6,41.9,35,32.8,33.6,33.6,27.9,23.5
1949,23.9,25.4,31.6,38.6,42.1,40.8,34.5,33.1,34.1,33.2,27.3,22.2
1950,23.2,23.6,29.6,36.4,41.6,40.5,34.4,32.9,33.2,32.7,27.7,21.8
1951,21.1,24.6,30.7,35,41.3,39.9,36.2,33.5,33.6,36.1,29.9,23.6
1952,23.5,27.4,30.7,39.2,42.1,38.2,34.5,32.5,34.8,34,28.6,23.8
1953,20.7,26.3,34.3,38.7,42.7,41.6,35.2,33,33.9,33.4,28.1,25.1
1954,20.6,26.2,31.5,38.5,43.1,41.1,35.1,33.8,33.6,31.2,28.8,22.5
1955,20,24.9,32.8,35.4,39.7,40.6,35.1,31.7,32.6,30.6,28.1,22.1
1956,20.9,26,30.6,37.8,42.3,38.9,33,32.5,34.7,31.2,27.6,22
1957,19.6,23.5,28.7,35.6,39.8,39.3,34.2,33.4,32.8,32.8,29.5,23
1958,23.3,25.3,31.9,39,41.4,41.1,33.6,32.6,32.1,32.4,28.4,23.7
1959,21.8,24.6,33.1,37.4,40.6,40.2,33.4,32.7,33,32.9,28.5,24.7
1960,21.8,29.4,30.4,36.4,41.7,41,34.6,32.2,34.1,32.4,28.6,24.2
1961,21.6,22.6,31.4,37,40.9,39.4,34.4,32.1,32.9,31.6,26.1,20.8
1962,21.2,25.1,30.8,38.2,41.1,41.4,35.9,33.7,32.4,32.5,28.9,22.9
1963,22.9,28,31.3,36.3,40.1,39.9,36.8,32.3,32.8,34.1,29.2,23.9
1964,21,25.1,33.8,38.3,39.6,40.9,33.6,33.6,32.4,33.7,28.4,23.5
1965,24,24.8,30.4,35,40,42.2,35.2,34.2,33.8,33.3,29.6,23.7
1966,23.6,28,31.7,37.9,41.7,38.8,37.4,32.9,34.1,34.9,28.3,23.8
1967,22.1,28.4,29.4,36.5,41.4,41.2,34.7,31.7,32.7,33.7,28,23.2
1968,20.3,23.5,31,37,40.7,40.4,34,33.3,36.1,33.3,29.5,23.4
1969,22,25.6,34.9,37,39.8,41.9,34.8,33.5,33.3,34.7,30.1,24.6
1970,22.2,23.6,30,39.5,41.2,38.1,36.5,33.7,33.8,34.3,29.3,24.8
1971,20.9,25.9,32,37.9,38.7,36,32.8,31.8,33.6,32.7,28.7,24.6
1972,23,22.9,32.3,36.7,43,41.8,36.8,32.8,33.8,33.4,29.7,23.6
1973,21.9,26.2,31.3,40.3,42.1,39.5,35.7,32.4,34.1,33,29.1,21.8
1974,22.3,24.5,33.3,39.6,40.7,39.8,34.6,33.6,35.5,33.9,29.1,22.1
1975,20.3,24,31,39,42.4,38.7,34,32.7,31.3,33.3,28.8,24.5
1976,22.9,24.8,30.3,36.8,40.6,37.5,35.3,31.9,33.6,34.7,30.3,24.1
1977,22,25.5,33.8,36.5,38.3,38.9,32.6,33.2,32.3,34.2,30.7,24.6
1978,22,23.4,28.2,37.2,43.6,38.8,33.3,32.1,32.9,33.7,29,24
1979,22.7,23,29.5,38.6,39.8,40.4,35.2,34.7,36.2,34.7,29.1,23.1
1980,22.5,26.9,30.3,40.1,43.2,38.5,33,33.9,34.6,34.2,29.4,23.7
1981,21.7,26.6,29.7,38.2,40.7,41,33.1,33.5,35.2,34.1,27.8,23.5
1982,22,22.7,28,35.9,37.5,39.8,36.9,33.2,35,33.5,28.1,24.1
1983,21.1,23.7,30.1,33.4,38.7,38.5,35.4,33.3,33.6,32.3,29,23
1984,21.2,23.8,34,37.9,43.6,39.5,34.3,33.4,33.1,34.1,29.1,24.3
1985,21,26.2,34.3,38.3,42,39.8,33.9,32.9,33.2,31.4,29.4,23.9
1986,21.7,24.1,30.7,37.4,39.1,39.6,33.8,34.5,35.2,32.8,30,22.9
1987,22.6,27,32.3,38.5,38.4,41.5,38.6,35.1,35.6,34.5,30.2,23.3
1988,23.1,26.6,31.3,38.8,42.9,39.2,33.5,32.6,34.6,33.5,29.2,24.2
1989,21.1,24.7,30.4,36.9,41.8,39.1,36.5,34.3,34.3,34.1,29.2,22.3
1990,24.7,24.1,29,37.1,39.4,39.9,33.6,33.5,32.8,32.7,29.1,23.2
1991,20.4,25.6,30.7,36.2,40.8,39,37.7,32.7,33.9,33.4,27.9,23.2
1992,21.8,23.4,30.9,36.4,40,41,35.1,32.6,33.3,32.6,27.3,23.8
1993,21.5,27,28.5,36.5,41.3,40.3,34.4,34.1,32.2,32.8,29.5,24.1
1994,22,24.1,33.2,35.6,41.3,39.7,33.2,32.6,33.7,33.1,28.3,24
1995,20.3,24.6,29,34.5,40.7,41.4,35.9,31.9,33.8,33.9,28.9,23
1996,21.5,26.2,31.6,37.5,40.6,41.4,35.1,32.1,33.3,32.1,28.7,23.6
1997,21.4,24.1,30.2,35,37.9,37.2,35.3,32.4,33.3,31.8,25,21.8
1998,21,24.2,28.9,36.1,40.5,39.9,34.7,31.9,30.9,32.1,28,23.8
1999,19.4,25.2,32.6,39.4,37.8,38.9,32.6,34.3,33.7,32.9,30.2,24
2000,22.5,23.7,31.1,39.2,41.1,37.4,34.1,33.9,34,34.4,29.8,24.7
2001,20.9,25.7,31.3,37.2,40.3,37.5,34.8,34.6,34.9,34.3,29.7,23.5
2002,22.2,25.5,33,38.9,42.2,39.9,37.6,33.8,32.3,33.5,29,23.9
2003,22.1,25.2,31.1,38.9,40.7,40.5,34.3,33.5,33.5,34,28.8,23.7
2004,21.1,26.1,34.1,39.4,41.3,38.1,36.8,33.6,35,32.9,29.4,24.6
2005,22.2,25.6,32.7,37.4,38,41.1,34.1,34.9,33.7,33.1,28.9,22.7
2006,22.3,28.8,31,37.3,40.2,37.5,35.1,33.8,34.2,34.3,29.4,24.3
2007,22.1,25.6,30.8,38.9,39.4,38.8,35.4,34.1,34.3,33,29.8,23.2
2008,21.1,24.6,33.8,37.6,38.6,36.7,34.1,33.2,34,34.8,30.2,25.8
2009,23.2,27,32.6,38.7,41.2,40.7,36.1,34.9,33.9,33.2,29.1,24.4
