1901,18.6,20.4,28,33.6,38.8,41.4,36.5,35.5,34.9,33.9,27.3,21.3
1902,20.3,23.3,29.5,35.2,40,39.8,37,36,34.4,32.7,27,19.8
1903,19.3,21.5,26.1,32.8,38.6,42.2,36.7,34.9,35.3,33.3,26.5,20
1904,18.3,22.2,26.5,35.1,40,41.5,37.6,35.3,34.8,32.8,26.5,21.4
1905,17.7,17.6,24.2,32.4,41.2,41.7,37.3,35.2,34.9,33,27.7,20.8
1906,18.2,19.7,25.4,33.7,41.7,40.3,37.8,34.5,33.6,33.3,27.9,22.1
1907,21.1,19.6,24.5,31.8,37.9,39.3,37.8,34.2,36.3,33.5,27.5,20
1908,20.1,22.4,27.7,35.1,39.7,41.6,35.7,32.9,33.3,32.2,26.2,20.7
1909,18.3,20.3,27.4,33.3,39.3,39.4,35.6,34.5,33.2,32.6,28.1,20
1910,18.9,21.1,27.1,33,40.1,40,35.7,34.2,35,32.3,26.1,20.2
1911,20.4,21.9,25.3,33.8,40.4,40.1,38.5,35.2,35.3,33.4,24.3,20.1
1912,20.1,22.9,27.3,34.1,40,41.7,36.8,34.4,33.9,32.8,26,20.5
1913,20.5,20.8,24.8,35.5,38.1,38,35.1,35,34.2,32.9,26.3,20.3
1914,21,20.4,26.7,33.8,39.4,39.9,35.6,35.1,33.9,30.5,26.5,20
1915,19.3,20.2,28,35.2,42.9,40.8,36.7,35.1,35.6,33.2,27.2,21
1916,20.4,21,30.4,36.5,38.9,40.2,35.1,34,34.2,32.8,25.2,20.2
1917,19.5,22.4,27.9,31.7,35.6,39.1,36.2,33.9,32.5,31.1,24.3,20.6
1918,18.8,21.9,26.8,31.7,42,40.2,38.4,35.9,34.6,33,26.6,20.3
1919,19.5,20.4,28,33.8,38.9,42.5,37,34.5,34.3,32.7,25.9,19.7
1920,19.1,20.2,26.9,33.7,36,39.6,37.9,35.8,35.7,34,28.1,21.3
1921,20.2,20.4,30.8,37.8,42.5,41.6,37.3,35.1,34.3,32,26.9,22.3
1922,19,22.2,29,35.3,39.7,40,37.6,36,33.7,31.6,26.2,20.9
1923,19,20.3,27.9,35.4,38.5,41.9,35.8,33.8,34.4,31.9,26.1,20.6
1924,18.7,21,28.2,35.1,36,41.9,37.7,35.1,33,32.3,26.1,21
1925,17.8,19.6,28.7,36.6,39.7,38.4,35.2,34.6,34.7,32.6,24.9,20
1926,19.9,22.8,26.2,31.5,36.6,41.3,37.7,34,33.9,32.1,24.7,20.3
1927,18.5,19.5,26.6,33.5,38.1,40.1,36.4,34.7,34.9,32.9,27,21.6
1928,18.5,22.6,27.4,34.7,41.6,40.8,37.6,35.8,34.3,33.5,26.8,20.1
1929,19.2,20.3,30,36.1,40.7,40.6,36,34.6,35.1,32.5,26.6,19.1
1930,18,21.6,28.2,33.6,39.7,39.5,34.9,35.6,34.3,32.8,25.9,20.4
1931,19.9,18.7,26.8,35.8,39.4,40.3,35.6,35.3,34.3,33,26.2,21.2
1932,20.7,21.3,28.4,35.3,38.1,42.1,36.8,34.5,35.6,32.6,25.9,20.3
1933,16.9,22.1,27,32.3,38.3,41.2,36.8,33.2,33.4,32.3,26.6,21.6
1934,17.5,23.7,27,34.4,38.5,40.1,37,34.6,36,31.9,26.1,21.7
1935,17.8,21.9,27.9,30.6,39.5,41.1,36.8,34.4,34.9,32.3,27,20.4
1936,17.9,21.8,26.5,33.8,42.6,38.8,35.9,35.2,34.9,32.6,26,20.5
1937,18.3,21.2,26.3,33.2,39.5,41,35.7,36.8,35.1,31.3,26.3,19.2
1938,18.3,19.9,28.3,35.7,42.2,38.7,37.7,36.3,35.7,33,25.6,20.8
1939,19.9,20.9,24.8,32.4,40.7,39.2,36.7,35.8,35.8,34,26.4,21.4
1940,19.4,20.8,26.5,33.4,40.4,40.3,37,34.3,34.4,32.6,27.5,20.6
1941,19,22.6,29.7,36.8,41.3,39,36.9,35.8,34,35.3,27.4,21.9
1942,18.1,21.8,29,36.2,40.1,40.5,35.9,33.8,33.8,32.1,27.9,19.9
1943,18.6,21.9,28.1,33.9,39.2,40,36.2,35.2,35.8,32.8,27.2,22.1
1944,18.5,20.1,26.8,34,40.8,40.6,36.6,35.2,34,32.5,26.9,20.9
1945,17.5,20.1,28.1,32.5,38.1,39.4,36.2,34.8,34.4,32.6,26.6,19.9
1946,20.7,24,27.2,37.4,40.7,40.3,37.1,35.2,35.8,33.7,26.6,19.5
1947,18.4,22.3,29.5,36.5,41.5,43.1,36.6,35.2,35,32,28.1,21.2
1948,20.7,21.7,26.5,35.5,39.5,40.6,36.6,33.7,35.6,33.7,25.3,20.8
1949,21.2,21.3,27.8,36.3,42,40,35.4,35.4,36.5,32.6,25.4,20.2
1950,20.5,19.5,25.8,32.9,40.6,41.9,35.5,34.4,32.6,31.8,25.9,19.1
1951,18.9,21.1,28.4,31.6,38.3,40.2,36.4,34.7,35.5,35.3,28,21.9
1952,20.4,23,27.6,35.3,40,39.7,35.5,33.8,35.4,33.6,26.8,20.8
1953,19.1,23.8,30.2,35,40.9,40.7,36.3,34.2,34,33.3,26.7,22.8
1954,18.4,22.7,27.4,35.2,40.9,41,35.8,36.2,34.5,30.9,26.8,20.9
1955,18.9,22.6,29.2,32.4,36.3,41.3,36.6,33.7,33.2,30.7,27.4,21.2
1956,19.7,22.6,27.3,35.2,42.3,39.3,34.1,33.3,35.5,31.1,26.7,21.2
1957,18.1,20.9,26.4,31.9,36.6,39.7,36.6,33.7,33.7,32.5,26.7,20.9
1958,21,21.5,28.7,36.2,39.1,41.2,35.5,34.5,32.8,32.4,27.3,21
1959,19.3,20.9,28.3,34.8,37.9,41.1,35,34.1,34.3,33.7,26.6,21.7
1960,19,25,26,33.3,40.5,41.7,35.7,34.8,35.4,33,26.3,20.3
1961,19.9,19.7,27.9,33.7,39,40.7,35.7,34,34.6,32.5,24.5,19.3
1962,19,22.8,26.8,34.7,38.8,40.6,36.1,34.5,32.4,33.7,25.6,20.1
1963,19.4,23.8,27.2,33.3,37,40.7,37.1,33.2,33.9,33.4,26.3,21.1
1964,17.4,21.1,27.8,34,37,40.4,34.2,34.5,33.6,32.3,26.2,20.4
1965,20.9,21.5,27.2,31,37.3,41.2,35.3,34.3,34.8,33,27.5,20.5
1966,21,24.1,27.2,33.6,39.2,40,36.5,34.5,33.7,32.4,26,20.7
1967,18.7,24.3,26.3,33.4,38.1,41.6,35.9,33.6,34.1,32,26.1,21.1
1968,18.2,20.4,27.6,34.2,38,41.3,36,34.2,36.9,32,27.4,21.3
1969,19.4,22.1,30.9,33.7,37.6,41,36.7,35.3,34.4,33.8,28.4,22.2
1970,19.6,21.3,27.3,36,40.6,39.1,37.4,34.2,34.9,34.1,27.5,21.6
1971,18.8,22.7,28.9,36.3,38.4,39,35.2,34,34.3,32.7,27.8,22.7
1972,20.2,21.5,28.2,33.2,40.3,41.5,37.3,34.3,34.6,33,27.7,21.6
1973,19.5,23.3,27,36.2,40.2,40.2,36,34.1,35.9,32.5,27.5,19.5
1974,18.7,20.3,28.7,36.1,39.1,39.6,36.5,35.4,35.6,31.2,26.5,19.6
1975,18.8,20.7,26.5,34,39.5,38.8,35,33.7,33,33.1,26,21.5
1976,19.7,21.3,25.9,33.2,39,37.9,36.2,32.7,34.7,33.1,27.3,21.3
1977,18.8,22.2,29.8,34.1,36.5,38.7,34.3,33.9,33.3,32.7,27.7,21.5
1978,18.4,20.8,24.4,34.3,42.3,39.8,34.5,34,34.2,32.1,25.8,21.4
1979,19.9,20.8,24.8,35.5,37,40.5,35.9,35.3,33.8,32.8,26.7,21.8
1980,19.1,22.9,25.8,36.3,41.4,40.6,34.8,34.7,34.8,33.3,27,21.1
1981,18.8,22.5,25.3,34.3,39.9,40.6,34.6,34.6,34.4,31,24.4,20
1982,19.6,19.9,23.9,32.8,35.7,40,37.9,34.1,34.8,32.5,25.6,21.1
1983,18.9,20.8,25.6,30.6,36.1,38.7,36.1,34.4,34.8,31.7,27.6,21
1984,18.5,19.9,28.5,33.9,41.4,40.5,34.7,34.4,32.5,31.5,26.1,20.3
1985,19.3,22.9,29.1,34.5,39.5,40,34.7,34.2,34.7,30.6,26.6,21.3
1986,18.1,20.5,25.6,32.9,36.2,39,34.1,34.3,33.5,31.5,26.8,19.8
1987,20.2,22.7,26.7,34,34,39.2,37.2,35.7,35.6,32.2,27.4,20.8
1988,20.1,22.4,26,35.4,40.7,39.9,34.3,33.5,33.4,31.8,27.6,21.4
1989,18.6,20.4,26.1,32.3,38.9,38.1,35.5,33.3,34.2,32.5,26.2,19.9
1990,20.7,20.5,24.6,33.2,39.3,39.7,34.6,33.4,34.2,31.1,27.6,20.7
1991,18.4,21.5,25.8,31.7,37.5,39.3,37.3,33.8,34.5,31.1,25.7,20.5
1992,19.3,20.5,26.2,32.4,36.8,39.3,35.1,33.6,33.5,31.5,25.8,21.7
1993,17.7,23.5,24.5,34.1,39.3,39.8,34.4,36.2,32.9,31.7,26.7,21
1994,19,21.2,28.3,32,39.2,40,35,33.5,32.3,31.1,26.7,20.8
1995,17.4,21.1,24.6,31.6,39.3,41.4,35.5,32.4,33.8,32,26.8,20
1996,18.2,21.3,26.3,33.6,37.5,37.6,35.4,32.6,33.6,30.7,25.8,21
1997,18.2,21.8,26.3,32,36.1,37.9,36,33.6,34.5,30.3,24.2,19.6
1998,18.2,21.4,25,33.9,39.4,39.7,35.4,34.4,34,31.7,27.2,21
1999,18.6,22.4,27.5,36.5,39.4,38.9,35.9,34.8,35,32.7,27.2,21.5
2000,19,20,26.5,35.5,40.5,38.6,34.6,34.5,34,33.7,27.5,21.8
2001,17.8,22.4,27.7,34.1,39.9,37.7,34.5,35.1,34.1,33.1,27.4,20.8
2002,19.3,21.8,28.9,36,41.3,39.1,37.3,34.2,31.9,32.2,27.7,21
2003,16.7,21.1,26.5,34.5,38,39.2,33.9,32.7,33,32.9,24.5,19.5
2004,18.2,22.1,29.5,36.1,38.8,37.1,35.2,32.9,33.9,30.2,26,20.4
2005,17.1,19.9,26.3,33.9,40,40.9,34.3,35,33.7,31.7,26.4,19.6
2006,18.7,25.4,27.2,35,40.6,38.2,35.5,33.4,33.1,32.3,27.2,20.5
2007,18.5,21.6,26.5,36.7,38.7,38.8,35.2,34.7,33.7,32.1,27.7,19.4
2008,16.3,19.7,29.1,33.5,37,37.6,34.7,32.6,33.4,33.2,27.1,21.3
2009,19.2,22.8,27.8,34.8,39.7,40.4,35.9,35.3,33.7,33.3,25.7,20.5
