1901,16.7,20,26.7,32,38,42.5,45.1,44.3,42.2,35.2,27,21.9
1902,19.2,22.3,26.4,31.3,37.6,42.9,43.9,44.2,41.5,34.5,25.7,19.6
1903,16,18.9,22.1,29.7,37.4,41.9,43.6,44.5,41.3,34.4,25,19.3
1904,17.7,20.8,24.9,29.8,36.6,41.2,43.8,43.7,40.9,35.4,28,18.3
1905,16.4,17.5,22.1,30.3,36.5,41.9,44,43.8,42,35.9,27.8,18.6
1906,16.1,19.5,23.5,28.8,37.3,41.3,43.2,43.1,40.9,35.8,26.9,21.1
1907,18.6,19.3,23.3,29.3,37.5,41.5,44.5,43.4,40.6,35,24.4,19.4
1908,17.6,18.3,23.5,30.1,36.6,42.7,43.3,44.4,42.6,35,26.5,18.9
1909,16.8,21.1,26.1,30.6,38.2,40.9,45.2,43.8,41.6,35.7,27.6,20.3
1910,18.4,21.7,22.5,28.9,36.4,41,43.9,44.3,41.4,35,26.4,16.6
1911,13,17,21.8,28.4,35.9,40,44.2,43.2,40.1,34.5,26.1,20.2
1912,18.1,21.9,25.1,29.8,35.9,42.7,43.1,42.8,41.9,35.7,26.9,18.3
1913,16.5,17.3,21.2,29.6,37.3,41.3,43.6,42.9,41.7,35.4,26.6,19.4
1914,20.2,20.3,25.1,30.2,36.5,40.7,43.2,43.7,41.1,36.1,26.4,19.3
1915,19.2,21.2,25.4,29.6,36.6,42.7,43.4,44,42.1,34.6,26.7,19.8
1916,18.3,19.6,25.8,29.4,38,42.5,44.9,44.3,40.4,33.7,26.9,20.7
1917,18.7,21.1,24,32,36.8,41.7,45.2,44,41.8,34.1,27.2,18.7
1918,17.4,20.2,23.4,29.1,36.3,40.6,44.1,44,42,37,27.4,20
1919,19.6,21.4,24.4,31.2,36.1,40.3,43.4,43.9,42,36.5,27.8,20
1920,19,17,25.1,30.5,37.6,42.3,43.6,44.1,42,36,25.6,16.7
1921,16.9,18.9,24.1,31.6,36.6,41.8,44.8,44,41.8,34.3,26.5,19
1922,19,20.6,24.6,30.5,37,42.7,44.5,44.5,41.2,35.7,27.9,19.7
1923,18.1,19.9,25.4,28.5,37.3,42.7,44.8,42.8,41.2,35.3,26,21.2
1924,20.4,20.8,26.9,30.3,37.9,43.2,44.7,44,41.9,36.1,27.1,18.9
1925,14.1,17.7,27,30.7,37.6,41.3,43.4,44.7,42.5,35.7,26.7,21.3
1926,18.9,21.7,24.7,29,37.6,42.3,43.3,44,40.1,35,27.4,19.7
1927,18.4,18,23.6,29.2,38.2,43.2,44.5,44,42.6,37,27.1,17.6
1928,16.1,19.2,22,32.9,37.8,42.2,44.7,43.1,42.6,36.2,26.3,19.7
1929,18.2,19.9,23.5,30.9,37.8,40.9,43.6,44.4,41.8,35.3,27.3,19.6
1930,17.7,21.5,25.5,31.1,36.8,41.8,43.6,44.1,41.5,35.2,27.9,20.5
1931,19.6,20.4,25.5,30.4,36.7,41,43.9,44.2,42.3,34.3,25.9,18.2
1932,18.3,19.6,25.3,30.2,36.7,42.1,43.7,43.9,41,36,27.2,16.9
1933,15.3,19.9,23.7,28.7,36.8,39.5,43.3,44.1,40.7,35,26.8,19.5
1934,16.1,20.9,24.5,31,35.3,41.7,43.3,43.3,40.8,35.2,26.8,19.9
1935,16.9,21,25.6,29.7,37.4,42.7,44.2,44.9,43.2,36.2,26.5,21.5
1936,18.2,21.4,24.7,30.8,36.9,40.1,43.9,44.9,40.5,34.8,27.3,18.4
1937,14.5,19.3,25,30.6,37.9,41.6,45,44.6,43,36.3,27.7,20.1
1938,19,20.2,22.2,30.2,36.3,41.4,44.7,44.8,43,34.6,27,20.9
1939,19.1,20.2,23.4,28.7,37.5,41.4,43.7,43.3,41.1,36.5,26.8,20.3
1940,18.9,22.2,22.6,31.9,36.8,41.7,44,45.1,42.1,36.1,27.5,21.1
1941,18.5,22.3,25.3,30.2,38.6,43.6,44.8,43.4,41.2,34,26,17.3
1942,16.6,20.3,24.6,29.3,38.5,43.1,44.7,44.7,41.3,35.6,27.1,19.3
1943,18.1,19.1,21.8,30.3,37.1,40.7,44.1,44.4,40.9,35.5,27,21
1944,19.3,22.2,27.9,30.6,36.9,42.4,44.3,42.7,41.2,35.1,27.2,18.4
1945,17.9,19.4,23.8,30.8,37.1,42,44.3,44.2,41.6,34.7,26.5,19.5
1946,17.9,20.9,24.4,30.7,37.4,41.7,43.7,44.1,42.4,34.3,27,19.9
1947,19.6,21,26.7,31.7,37.5,43.1,45.1,44.1,40.9,35.5,27.6,21
1948,19.6,21.7,23.1,29.3,37,42.7,45.1,44.8,41.1,33.7,25.3,18.4
1949,16.2,17.6,23.2,28.8,37.2,43.1,44.7,44.1,40.3,33.8,26.6,20
1950,14.3,16.5,24,31.1,37,41.2,44.4,43.8,42,35.2,27.1,20.4
1951,18.8,20.8,25.7,32.1,38.6,43.1,46.5,45,43.1,35,27.5,19
1952,18.6,22,25.1,31.9,37.7,42.3,44.2,45.7,43.3,37.4,25.8,21.5
1953,20.8,21.5,21.9,31.3,37.8,42.6,44.1,44.1,41.8,36.7,24.3,16.4
1954,19.3,20.1,24,29.5,37.7,41.6,44.3,44.9,42.1,36.8,25.3,18.7
1955,18.1,23.5,25.3,31.7,37.3,43.5,45.1,45.2,42.3,36.3,28.1,19.5
1956,18.2,22.7,23.8,30,35.7,42.4,44.5,44.7,40.9,35.8,27,17
1957,15.7,20.5,24.5,28.1,33.8,41.4,44.2,44.9,41.9,35.3,24.9,18.8
1958,18.7,21.3,27.5,33.7,39.9,41.9,44.9,45.7,41.1,36.3,25.4,19.5
1959,19.6,17,24.8,34.1,37.6,42.9,43.1,43.5,40.3,36.2,25.9,20.3
1960,21.6,24,24.7,30.6,39.3,42.7,44.3,44.4,42.7,35.5,27.2,21.5
1961,18.4,20.8,23.5,29.2,39,43.9,45.2,45.9,40.3,36.5,25.1,21.3
1962,19.4,21.7,28.7,31,39,43.6,46.3,45.7,41.8,37,27.6,22.1
1963,22.6,24.8,24.4,30.6,32.7,42,45,45,42,36,26.3,18.3
1964,12.2,21.2,27.2,29.9,38.3,43.3,44.9,43.7,41.4,34.4,26.6,17.6
1965,16.5,21.7,26.1,28.4,39.1,42.9,44.5,45.3,41.5,33.7,26.8,21.1
1966,22.9,21.5,24.8,30.7,38.6,43.5,44.2,44.9,41.8,33.5,29.5,21.7
1967,19,17.5,23.4,29,36.4,40.4,44.1,43.8,40.9,35.1,24.2,18
1968,17.3,18,25.1,29.5,36.4,40.2,45.3,43,41.7,36.5,27.5,21.3
1969,18.3,19.8,27.6,27.4,36.1,41.9,42.7,43.1,41.2,36.7,25.2,22.6
1970,18.8,22.7,26,34.1,39,43.3,44.2,44.2,41.1,35.3,29.4,19.2
1971,20.5,20.8,26.3,28.9,39.2,40.7,44.3,43.4,41.8,35.4,25.9,18.6
1972,15.1,17.8,22.6,29.9,33.5,41.3,42.7,43.2,40.9,37.3,26.2,15.7
1973,16.5,23.8,25.8,31.3,38.4,42.2,44.1,46.3,42.9,38.2,25.8,19.8
1974,14.3,16.4,24.5,30.2,38.2,43,44.9,43.9,41.4,35.7,28.4,17.9
1975,16.7,18.1,24.7,31.7,37.4,43,45.7,44.1,42.3,34.3,26.3,17
1976,17.6,18.4,21.2,29,35.5,42.5,42.9,43.8,40.9,34.6,27.3,21.6
1977,13.4,23.9,27.4,29.8,38.5,42.8,44.3,44.8,42.3,31.9,24.8,19.8
1978,18.9,22.4,25.4,31.5,38.2,41.2,44.3,42.6,41.4,36.6,22.9,21.6
1979,18.9,22.8,25.1,32.9,36.7,42.2,44.3,43.5,42.4,35.4,29,18.2
1980,15.9,18.9,24.5,31.5,37.2,42.4,45.3,43.5,41.2,35.4,26.5,20.6
1981,19,20.8,25.9,31.4,36.9,42.4,45.2,45.1,42.1,34.6,26.7,22.1
1982,18.3,16.1,22.1,32.4,38.5,43,44.8,43.5,42.6,33.4,22.9,16.8
1983,15.3,19.9,22.6,29.8,37.6,42.4,45.4,43.8,40.8,34.6,29,20.6
1984,20.1,23,26.6,32.9,35.7,42.6,45.7,43.1,42.7,34.5,24.9,17.5
1985,20.7,19.8,24,31.5,38.8,42.6,44.5,45.2,42.2,34.8,27.2,19.3
1986,19.7,21.1,23.9,30.3,37.1,41.5,46.2,45.3,43,37.1,23.6,17.9
1987,21.2,24.4,23.4,31,40.1,43.5,45.6,44.4,41.8,33,27.4,20.7
1988,17.5,20.9,24.8,30.7,39.1,42.2,44.9,44.2,42.2,36.1,27.1,20.5
1989,14.6,16.8,24.7,33.4,38.8,43.2,46.9,45.7,41.4,36.3,25.9,19.3
1990,16,20,25.8,31,40.3,44,46.2,44.9,42.8,35.7,29,22.4
1991,17.6,19.5,23.9,32.7,37.1,42.5,44.7,44.6,41,33.3,27.9,18.8
1992,14.2,17.5,20.1,29.5,35.5,40.8,44.1,43.6,41.1,35.2,26.3,17.7
1993,16.6,20.4,24.3,30.1,35.5,42.9,45.3,44,42.5,35.5,25.3,22.2
1994,21.5,21.9,25.8,34,38.4,43.2,44.9,45.1,41.5,34.8,26,16.7
1995,20.2,22.1,25.9,30.8,38.5,43.1,45.5,46.7,41.6,35.5,26.9,18.9
1996,17.6,22.4,24.4,30.8,40.2,43.5,46.3,46.3,42.4,35.3,27.4,23.5
1997,21,20.3,22,30.1,39.2,44.2,45.8,45.1,42.1,35.3,25.7,18.6
1998,16.2,20.6,22,32.7,39.8,45.8,46.5,47.4,43.1,38.6,30.3,25.2
1999,20,22.7,25.5,33.4,41.9,45.4,46,45.5,42.9,37.6,26.3,20.3
2000,18.3,21,26.3,35.4,41,44.8,47.2,47,41.8,33.8,24.4,19.1
2001,17.6,21.6,28,33.3,39.9,44.8,46.8,47.2,42.8,36.5,26.8,22.9
2002,18.1,22,27,30.5,39.3,44.1,44.9,46.2,43.6,37.7,26.3,18.6
2003,19,21.7,24,29.9,39.8,44.9,46.9,46.5,43,37.4,26.5,19.2
2004,20.3,22,28.9,29.9,37.7,44.2,46.4,46.1,42.9,37.3,25.7,17
2005,18.1,20.3,25.9,31.9,39.9,44,46.9,46.1,42.2,35.8,27.2,24.5
2006,18.6,22.4,27.4,33.1,39.5,46.1,47.2,47.8,42,37.1,25.8,17.5
2007,18,23.7,23.7,31.5,40.8,44.9,44.2,44.9,44.5,37.8,29.1,19.9
2008,14.1,20.3,29.7,33.2,40.7,43.7,43.8,46.2,44.2,36.6,25.5,21
2009,17.2,22.4,26.6,28.9,38.5,44.2,45.9,44.9,41.8,36,26.5,21.1
