1901,9.9,10.6,10.8,12,12.4,14.9,15.8,17.3,16,13.2,13.5,10.1
1902,10.2,10.9,10.3,11.2,11.7,13.6,16.6,18.2,16.4,14.6,12.9,10.9
1903,9.1,10.6,10.4,11.3,12.1,14.6,15.9,16.2,15.4,14.5,13,9.4
1904,8.8,9,9.2,9.3,10.9,14.1,16.7,19.4,16.3,14.7,13.2,10.9
1905,9.6,8.9,9.9,11,11.8,15.3,16.9,17.6,15.6,14.7,12,11.1
1906,9.6,8.1,10.4,9.8,11.6,14.8,16.1,17.4,16.2,15.5,12.9,10.8
1907,9.1,8.7,9.7,10,11.7,14.1,15.4,17.8,17.1,14.3,11.5,10.6
1908,9.4,9,9.2,9.5,12.1,14.2,15.8,17.3,16.8,15.1,13.6,11.1
1909,9.7,9.5,10.3,11.2,13.7,13.8,16.2,16.5,16.2,15.3,12.8,11.8
1910,9.9,9.6,9.7,10.9,11.7,13.2,15.6,16.6,17,14.7,14.1,11.5
1911,9,9.8,9.9,10.8,11.4,13.9,15.6,17.1,17.5,15.3,12.9,12.1
1912,10.1,11.8,11,10.8,13.3,14.3,15.7,16.4,16.2,14,13.4,10.6
1913,10.1,11,10.6,10.4,10.6,14.4,16.5,16.9,15.6,15.1,14,11.4
1914,9.4,8.7,9.9,10.6,12,14,16.9,17.5,17,15.3,13,10.8
1915,9,8.8,9.6,9.9,11.8,14.9,17.6,17.8,17.3,14,12,10.7
1916,7.9,7.5,8,9,11.7,14,16.1,18.6,16.2,14.8,14.1,11.1
1917,7.9,6.8,9.5,9.9,11.5,13.4,18,18.2,18.6,11.7,11.9,11.9
1918,10.6,6.6,6.9,8,11.1,14,14.4,16.3,16.9,11.6,12.1,11.9
1919,10.6,13,11.2,9.2,12.3,13.4,15.5,18.8,16.2,14.2,13.2,8.9
1920,8.1,5.6,7.6,12.8,9.2,13.4,15.7,16.1,14.8,14.3,11.3,11.3
1921,10.1,7.9,7.9,9.7,12.1,13.4,16.3,17.1,15.2,13.6,10.2,8.1
1922,7.7,7.2,7.6,13.4,12.6,12.9,18,17.2,15.9,14.4,12.1,8.4
1923,5.3,10,10.2,6.3,12.5,12.7,15.9,18.4,15,15.5,11.4,10.5
1924,9.3,6.3,10.8,11.2,11.1,13.4,16.7,16.2,16.2,14.6,10.8,10.1
1925,8.3,8.5,9,9.8,11.6,14.1,15.5,17.9,17.2,14.4,12.9,12
1926,10.2,10.5,10.8,11.4,12.4,15.9,17.2,18.2,18.1,15.9,12.2,10.1
1927,9.4,8.8,10.1,10.3,13,15,17.7,18.7,16.9,14.6,12.4,10.5
1928,8.6,9.2,10.9,10.6,11.4,12.6,17.9,18.4,17.4,14.4,12.3,9.8
1929,10,9.3,11.1,11,11.1,14.4,17.2,16.9,15.2,14.2,12.4,10.9
1930,8.7,8.4,9.3,10,11.4,13.4,16.5,17.1,16.9,14.7,14,10.4
1931,9,8.7,11.7,10.6,12,14.3,16.4,17.5,16.3,16,13.9,10.1
1932,9.7,9.8,10.6,10.6,12.1,13.8,15.7,16.9,16.2,14.2,12.9,9.9
1933,10.5,11.1,11.3,12.2,12.5,14,15.6,17.3,15.7,14.9,11.3,9
1934,8.5,8.5,8.8,9.9,10.7,13.3,16.4,17.1,15.8,14.7,12,11.1
1935,8.9,8.1,9.9,11.7,11.8,14.3,16.6,16.6,16.2,13.2,12,10.1
1936,9.8,9.9,10.1,10.9,10.9,14,16.6,17.2,17.4,14.2,11.7,9.6
1937,9,9.9,10.9,11.6,11.2,14.5,17.5,17.9,16.6,14.4,14.1,11.2
1938,9.1,10.6,11.2,11.5,12.6,14.8,16.5,16.5,15.9,14.3,12.9,10
1939,8.8,9.1,10.1,11,12.2,14.9,16.8,16.8,17.7,14.4,12.3,10.8
1940,10.2,10.3,12.1,11.2,12.3,14.1,16,18.2,16.5,14.7,13,10.2
1941,9.1,10,10.6,10.4,11.8,13.4,15.7,16,15.9,14.3,12.7,9
1942,8.5,8.3,9.6,10.6,11.9,13.4,15.6,15.9,15.2,14.4,11.5,10.3
1943,8.7,8.1,8.7,9.6,11.3,14.2,15.4,18.6,16.3,14,11.7,9
1944,8.2,8.3,9.5,11.5,12.1,14.4,17.6,17.3,16.6,14.3,11.5,9.4
1945,7.8,9,10.5,12.1,11.5,14.2,16.7,16.5,16.6,15.9,13.1,11.5
1946,8.7,9.8,9.9,9.4,11,14.4,16.9,16.7,16.6,14.4,12.5,10.3
1947,9.1,9.8,12.9,13.3,11.8,14.2,15.4,17.1,16.5,15.1,14.1,11.6
1948,10.4,10.7,11.1,9.8,11.9,15,16.9,18,16.6,14.1,13.7,10.4
1949,9,9.6,8.4,11.2,11.2,14.3,16.1,18.8,15.9,15.6,13.3,9.4
1950,8.2,8.8,10.6,10.2,11.5,14.5,17,16.8,15.8,13.6,12.8,10
1951,8.3,7.8,10.7,10.7,10.9,14.6,16.6,17.5,16.9,13.7,12,9.4
1952,7.5,8.7,11.2,9.9,11.8,15,17.2,17.7,16.2,16.2,12.8,10.7
1953,10,8,8.7,11.1,13.3,14.1,17.5,17.9,16.5,13.6,13.2,9.4
1954,8.2,8.1,9.5,8.8,12.1,13.9,16.6,16.8,16,15.3,12.4,8.9
1955,9.9,10.3,9.6,11.3,13.9,15.2,16.8,17.8,17.7,13.8,13.6,10.5
1956,8.4,9.2,8.7,9.4,11.7,14.1,17.2,16.7,16,14.9,12.4,8.9
1957,6.9,9.1,10.7,10.1,11.1,14,16.8,16.9,16.3,13.4,11.9,7.6
1958,8.6,10.2,10.1,10,12.9,13.7,16.5,17.7,16.9,14.5,11.4,10.1
1959,9.4,8.3,9.7,10.9,11.5,14.1,15.7,17.1,15.8,14.7,11.5,10.9
1960,8.9,10.7,10.2,10.4,11.4,13.4,16.3,17.2,16.3,14.9,13.3,9.5
1961,9.7,10,11.5,12.9,13.2,14.7,17.9,18.7,17,14.9,12,10.9
1962,9.6,9.6,11.4,11.2,12.6,14.1,17.2,18.1,16.8,14.1,11.5,10.4
1963,9.3,9.6,11.6,11.3,11.1,13.5,17.3,17,15.6,15.1,13.4,9.7
1964,8.5,10,11.3,10.3,14.2,14.9,17.1,17.4,17.3,15.2,13,9
1965,7.7,8.5,11.3,10.8,12.9,15.2,16.3,17.5,15.6,12.8,12,10.9
1966,10.5,11.4,10.5,12.8,13.3,14.9,16.3,18.5,16.9,14.4,11.9,10.3
1967,10,9,11.7,9.3,11.5,14.2,17.4,17.9,16.2,13.6,11.5,9.5
1968,8.5,8.8,8.4,10.5,11.8,14.2,16.9,17,17,15.7,12.8,10.3
1969,10.8,10.3,11.4,9.9,12.1,13.9,17.6,17.8,16.2,13.6,12.8,9.3
1970,10.3,9.9,9.7,11.7,12.9,14.1,17.3,17.7,16.8,14.3,12.1,9.3
1971,9.5,7.6,8.1,8.7,10.3,13.6,15.7,17,15.5,15.5,11.3,8.4
1972,8,8,8.3,9.5,10.9,13.1,15,15.9,15.2,14.7,11.9,8.9
1973,8.6,9.4,10,10.6,12.6,14.2,16.8,17.3,16.9,14,12.7,9.1
1974,9.1,9.4,9.1,9,12.1,14.2,16.7,17.4,16.3,13.3,10.9,9.6
1975,8.2,8.7,9.5,9.9,10.6,13.6,17.3,17.8,15.9,14.3,12.3,8.8
1976,8.2,8.8,9.2,9.1,10.3,13.7,16.4,18.5,16.4,14.3,12.3,9.7
1977,9.4,9.8,11.2,11.6,11.5,13.7,14.6,16.1,15.9,13.8,12.8,10.8
1978,9.1,11.2,10.4,10.1,11.3,13.4,17.6,16.6,17.9,15,13.4,11
1979,8.9,11.7,9.9,10.7,12.7,14,16.4,17,15.9,14.9,13.6,11.1
1980,8.9,9.9,10.7,11.3,12.6,14.6,17.2,18.2,16.3,14.9,13,10.1
1981,9.3,8.6,11.5,9.8,11.8,14.8,16.2,17,17,14,13.9,11.5
1982,10.1,9.7,10.1,10.1,11.7,13.9,16.5,16.7,16.1,14.6,12.6,10.2
1983,9.9,9.4,11.8,11.4,11.8,15.4,16.4,16.6,17.6,16.2,13.4,10.5
1984,9.6,9.6,9.9,11.5,11.4,14.6,18.1,16.7,16.4,15.3,12.3,10.4
1985,8.9,10.4,10.4,10.4,11.3,15.3,17.5,18.5,17.3,15.8,13.5,11.3
1986,9.6,9.2,9.9,10.2,13.2,13.4,16.5,17.5,17.9,14.1,12.3,10.7
1987,10.2,11.6,11.5,12.5,13.1,15.7,17.1,17.9,17.8,14.5,13.4,11.4
1988,9.7,9.8,10.9,11.2,12.3,14.1,17.8,18.8,17.5,14.5,14.1,11.3
1989,9.1,9.9,10.7,10,12,15.2,17.9,18.3,17.7,15.9,12.6,12.1
1990,9.1,10.4,12.3,10.5,12.6,14.8,17.4,20,17.6,15.1,13.6,10.9
1991,9.4,9,10.3,10.2,11.6,14,16.2,17,17,14.4,12.8,11.6
1992,9.4,9.5,10.6,11.3,12.1,14.4,16.1,17.4,16.1,13.7,11.9,10.5
1993,8.9,9.2,10.1,11.4,11.3,15,17.2,17,16.2,13.9,11.1,10.2
1994,8.7,9.1,9.9,11,11.7,14.6,17.8,17.4,16,14.7,13.3,11.5
1995,10.2,10.6,10.6,11.7,14.5,14.8,18.8,18.9,16.8,16,13.8,12.6
1996,10.4,10.2,10.2,12.1,13.4,15.6,17.8,18,16.7,15.5,13.2,11.3
1997,9.8,12.2,11.9,12.2,13.6,15.5,16.8,17.8,17.4,16.4,15.3,12.8
1998,12,13,12.2,12.4,12.4,15.4,17.7,18.8,18.1,16,15,11.4
1999,10.2,9.5,10.9,12.7,14,16,18.4,18.8,17.7,15.1,13,10.8
2000,8.4,11.3,11.9,10.9,12.4,15.9,17.9,18.6,17.4,14.8,13.5,12
2001,11.2,11.3,13.3,12.5,13.3,16,17.4,18.2,17.3,16.4,13.4,12.4
2002,10.7,10.9,11.3,11.6,12.6,15,16.4,17,17.1,16.8,14,11.8
2003,9.8,9.9,11,11.5,13.9,15.7,18.1,18.1,17.6,14.5,13.1,11.3
2004,9.8,10.1,10.7,10.2,11.3,15.7,17.9,18.8,17.5,16,13.4,10.4
2005,9,6.6,11,12,13.7,15.6,17.3,18.3,17.6,15.7,12.9,11.1
2006,8.3,9.7,10.8,11.7,13,14.7,17.4,17.9,17.7,15.6,14.6,11
2007,9.6,10.7,10.1,10.7,12.3,14.5,17.6,17.3,16.2,14.4,13.4,10.8
2008,10.5,10.5,11.1,13,12.6,15.5,17.3,18.2,16.1,13.7,11.4,9.8
2009,9,8.4,10.7,11.1,12.4,14.9,18.8,18.7,16.4,17,14.2,13.5
