1901,9.4,10.3,12,9.8,11.8,13.9,13.3,13.4,14.2,15.1,12.4,10.7
1902,7.7,10.7,9.7,10.9,12.1,13.7,15.1,15.3,15.6,13.6,11.1,9.6
1903,8.4,8.2,9.6,10.7,12.8,14.9,14.2,14.4,15.6,15.4,12.2,10.5
1904,9.8,9.4,9.6,12.1,14.7,15,14.3,14.2,17,15.2,12.8,9.6
1905,10.3,11.3,12.5,12.3,12.4,13.2,15.7,14.8,14.8,14.6,11.9,9.7
1906,10.5,12,10.8,12.3,12.7,14.8,15.3,14.7,15.4,15.5,11.9,9.5
1907,8,12.1,9.2,12.6,13,13.7,14.7,14.9,14.9,14.6,12.9,10.6
1908,9.9,9.5,11.5,12.6,12.2,13.1,14.9,14.1,15.4,13.7,11.4,7.6
1909,10.4,9.6,9.8,12.7,12.4,14.3,15.2,14.5,15.7,14.1,11.5,8.6
1910,7.3,9.1,11.8,13,14.7,13.7,14.4,14.1,14,15,11.5,10.9
1911,10,8.7,11,10.3,12.2,12.7,14.1,13.7,14.5,14.5,12.5,10
1912,10.7,11.6,9.9,10.3,13.9,15.4,14.2,15.1,16.1,13.6,11.9,10
1913,8.2,10.4,10.2,11.7,13.5,14.3,16.2,16.8,17.4,15.3,11.6,9.4
1914,10.6,11.7,13.5,13.1,12.8,13.4,14.1,14.4,15.1,14.9,13.2,8.4
1915,9.9,10.3,12.7,12.6,13.1,14.7,15.7,16.3,15.8,15,11.8,10.2
1916,7.8,12.2,12.2,13.1,12.6,13.8,15.8,14.9,16,12.6,10.6,8.5
1917,8,10.1,9.6,11.5,11.6,14.7,15.6,14.3,17,15.5,13.1,11.7
1918,11,9.9,11.1,12.2,11.9,14.9,14.9,15.5,15.5,16.1,11.5,9.2
1919,9.8,9.6,9.9,11,13.4,14,13.9,14.5,15.5,14.3,11.6,8.5
1920,10.6,10.4,9.8,11.2,12.6,15.2,14.3,15.3,15,13.8,11.4,9.8
1921,9.4,10.6,11.3,11.1,11.5,16,15.3,14.9,16.2,15,12.8,10.4
1922,7.8,9,9.8,10.7,13.7,14.9,15.3,15.4,16.7,14.1,10.7,9.6
1923,8.6,10.2,12.3,11.9,13.4,13.3,15.7,16.2,16.7,15.3,14.4,9.7
1924,9.6,12.9,11.1,12.7,14.3,14.8,14.7,14.7,16,13.6,12.1,8.2
1925,10.6,11.8,11.5,12.2,13.9,15.4,15.9,15.4,15.6,15,12,10.7
1926,8.3,12.3,14.2,14.6,15.3,14.9,16.2,15.8,15.2,15.9,14.6,10.2
1927,10.4,11,11,11.9,13.7,15,14.9,15.3,16,15.6,13,10.4
1928,9.8,11.7,13.1,12.7,14.2,15.6,15,14.9,15.7,14.1,12,8.9
1929,8.1,9.8,10.8,10.3,13,16.3,16.2,15.7,15.4,15.8,13.6,11.8
1930,9.1,12.6,12.5,13.4,12.5,14.9,14.8,16.1,15.6,15.7,12.8,10.2
1931,10.7,12.2,13,13.1,15.8,16,16.9,15.5,16,14,11.1,8.8
1932,9.3,10,12.7,11.9,13.9,14.6,15.4,15.6,16.4,15.3,14.4,7.8
1933,8.1,9.5,11.5,11.6,11.8,13.5,15.2,15.2,15.1,15.4,13.8,9.7
1934,10.8,12,14.6,13.7,14.9,15.8,15.5,15.8,16.4,15.2,13.5,11
1935,10.1,11.6,10.2,13.5,14.1,15.8,15.5,15.2,15,14.7,11.3,10.9
1936,11.7,11.1,12.6,13.4,15.6,15.9,15,14.7,16.6,15.4,12.8,10.3
1937,6.2,9.2,11.5,11.2,13.4,16,15.1,14.6,15.5,16.1,13.3,12
1938,10.6,11,10.5,11.5,13.1,13.8,14.9,15.2,15.4,15.2,12.3,11.3
1939,10.6,9.8,10.5,12,13.4,14,15,15.6,17.8,15.7,13.5,12.2
1940,10.8,12.2,12.9,13.2,14,14.8,15.8,15.5,17.5,15.7,12.7,12.1
1941,11.7,12.2,13.5,12.1,15.6,15.4,15.7,16.2,16.6,14.7,13.6,11.1
1942,10.3,10.8,11.6,12,13.2,14.5,15.7,14.7,14.9,14.8,12.1,10.4
1943,10.5,11.7,11.9,12,14.1,13.9,15.1,15.4,16.6,15,13.6,11.2
1944,10.5,9.9,11.8,10.6,13.3,14.1,14.2,14.9,15,15.2,12.1,11.6
1945,9.7,11.4,9.8,11.8,12.7,15.9,15.4,14.6,16.1,15.2,12.4,10.7
1946,10.2,9.4,10.5,11.5,12.6,14.7,15.9,14.4,16.2,14.3,11.1,9.9
1947,8.1,11.1,12.1,13.3,13.8,16.2,15.9,16.5,15.5,15.5,11.7,9.7
1948,11.8,9.4,9.7,10.7,12.6,15.1,15.2,15.3,14.7,14.7,12.3,8
1949,6.6,8.3,10.8,11.9,13.4,14.7,14.4,15.2,16.1,13.4,14.2,9.5
1950,7.8,10.1,10.6,12,12,13.6,14.4,15.2,15.7,15.3,14.9,11.4
1951,9.1,9.7,10.2,10.6,14.3,15.1,15.6,16.6,16.4,15.1,11.7,8.8
1952,8.2,10.1,9.8,11.9,13.7,14.6,17.2,16,16.9,14.5,10.5,9.7
1953,11.4,9.6,10,10.8,13.1,15.1,16.1,17.1,17.6,14.5,12.3,10.1
1954,9.5,10.1,9.4,12.9,13.5,15.1,17.1,16.5,16.4,14.3,11.5,8.4
1955,7.2,8.8,10.7,10.5,13.9,15.4,15.8,15.6,15.9,14.7,11.5,10.4
1956,9.8,8.5,10.3,11.6,14.4,16.4,16.9,17,17.3,14.2,11.9,8.8
1957,7.6,11,11.4,13,14.7,17.6,18.2,17.3,18.3,15.8,11.7,9.4
1958,10.1,12.5,10.6,13.4,16.6,17.9,18.7,19.5,20.2,16.6,13.2,12.3
1959,11.6,11.1,13.4,14.4,14.9,16.6,18.3,18.6,17.6,17.5,12.8,10.2
1960,9.4,10.3,12,12.5,14.5,17.9,17.4,17,16.5,15.4,11.4,9
1961,8.8,11.3,11.2,13.1,13.9,17.5,18.2,18.2,17.6,15.4,11.2,8.1
1962,8.4,9.7,9.8,12.6,13.7,15.6,16.2,17.8,15.9,14.9,12.5,9.4
1963,7.6,12.9,10.5,11.2,13.9,15.1,17.3,17.6,18.7,16.3,11.8,7.8
1964,8.9,9.9,10.3,11.5,13,16.4,17.7,18,17.1,15.6,10.4,10.2
1965,9.1,9.6,10.8,11.9,12.8,14.8,16.2,17.7,15.9,16.4,12.4,7.1
1966,8.6,8.9,10.3,13.5,13.9,16.4,16.4,16.9,17.5,15.2,12.1,9.1
1967,9.4,10.3,10.6,9.9,14.4,15.4,17.4,17.2,18.7,16.9,13.7,8.4
1968,8.1,12,11.9,11.9,13.4,16.4,17,18.4,17.5,14.8,11.8,8.3
1969,8.2,8.9,10.5,11.5,15,16.4,17.2,17.2,17.3,15.6,12.6,11.5
1970,11.1,12.1,12.6,11.3,15.4,15.9,17.5,16.5,18,14.2,12.7,8.9
1971,8.9,9.5,10.5,11,13.5,15.7,16.4,18.5,18.5,13.4,11.1,7.5
1972,7.7,10.6,12.2,12.2,14,16.2,18.3,17.9,16.7,15.6,11.2,7
1973,8.8,11.2,10.2,12.9,14.5,17.5,17.1,16.1,17.2,15.2,11.6,9.7
1974,9.1,9.3,11.2,12,13.3,15.9,17.7,17.7,16.7,16,11.4,8.9
1975,8.4,10,10.2,9.6,13.8,14.2,17,17.2,16,14.4,10.5,9.1
1976,9,9.8,9.9,11.1,14.4,17.2,17.4,18,17.1,15.7,13.3,8.9
1977,8.3,11.3,9.8,12.3,13.1,16,17.2,18,17.2,15.2,12.1,10.9
1978,11.3,11.1,13.2,12,15.5,16,16.8,17.4,18.3,15.5,10.6,7.4
1979,8.5,9.8,11.7,12.4,15.5,16.1,18.1,17.7,19.2,16.4,11.7,10.1
1980,10.1,12,11,12.5,13.4,15.6,17.5,16.5,16.9,15.5,12.3,10
1981,10.9,11.5,11.2,12.7,14.8,18.1,17,17.3,18.4,14.1,13.1,11.8
1982,8,11.2,10.2,11.9,13.9,15.5,16.9,17.5,17.7,15.4,10.4,9.8
1983,9.2,11.7,11.4,11.6,14.2,16.6,18.8,19.4,19.6,16.8,12.1,11.3
1984,10.3,10.4,13.1,12.5,16.3,16.3,18.9,18,21.2,14.4,11.5,9.1
1985,8.4,11.2,10.2,14.1,14.6,18.2,18.5,17.9,17,15.4,10.3,8.3
1986,12.1,13,13.2,12.6,14.6,17,17.3,16.5,16.8,15.7,13.1,10
1987,9.6,11.5,12,14.2,16.1,16.9,17.7,18.4,17.4,17.1,13.1,10
1988,10.1,12,13.2,13.5,14.9,16.9,19.1,18.2,17,15.6,12.7,9.7
1989,8.9,8.6,11.9,15,15.1,17.1,17.4,17.8,15.9,15.3,12.6,9.6
1990,9.7,9.1,11,13.8,14.8,16.9,18.5,19.1,18.7,16.4,12.2,7.4
1991,9.8,12.3,10.5,12.4,13.6,15.4,18,18.3,16.9,16.5,13.1,9.9
1992,9.3,12.9,13.3,15,17.1,17.8,19.2,17.9,18.1,17.9,12.7,9.4
1993,9.4,11,13.4,13.7,16.3,18.1,18.6,19.7,16.9,16.8,12.5,9.6
1994,10.7,10,12.7,13.1,14.7,16.5,17.3,18.4,17.6,15.1,9.2,8.5
1995,11.2,11.9,11.5,12,13.8,16.2,18.6,17.4,17.1,16.2,13.8,11.7
1996,11,12.4,12.5,14.1,15.4,16.3,17.6,17.1,16.7,15.4,12.5,11.7
1997,10.4,11.3,12.6,13.7,17.7,17,18.2,19.5,19.9,16,13.5,10.1
1998,11.5,10.9,12,12.3,14.3,16.5,17.5,17.8,17.4,14.9,11.5,7.8
1999,9.3,9.5,9.7,11.5,12.9,15.5,17,17.8,17,15.9,13.2,10.1
2000,11.2,11.5,11.7,13.7,15.4,17.3,16.8,17.6,18.7,15,10.8,10.5
2001,9.3,10.1,12.3,11.1,16.6,17,17.4,17.4,16.7,16.1,13.2,10.5
2002,9.2,11.2,11.3,12.9,14.1,16.3,18.1,17.9,17.6,15.7,13.3,10.8
2003,12,10.6,12.5,11.5,14.7,17,17.5,19.1,18.8,16.6,11.4,10.6
2004,10,10.7,14.2,14.3,15.6,16.6,18.6,19.2,19.1,15.4,12.1,10.7
2005,9.6,12.1,13.2,12.9,16.1,16.7,18.3,17.5,16.4,15.5,13.1,11.1
2006,10.7,11,9.8,12.3,15.1,17.4,19,17.5,16.4,15.2,12.4,9.7
2007,8.5,10.7,12.3,12.4,14.5,16.3,18.3,18,17.5,14.9,12.3,9.1
2008,8.8,10.3,11,12,14.5,16.4,17.5,18.1,17.7,16.5,13.5,8.9
2009,10.4,10.6,11.2,12.6,15,17.2,17.2,18.6,18.6,15.7,12.9,9.1
