1901,9.8,9.7,8.7,6.3,3.4,3,1.4,2.4,3.6,5.8,7,9
1903,10,9.5,8.2,6.9,4.5,1.8,1.7,1.9,3.4,5.9,7.7,9.3
1904,11.1,10.7,8.7,7.1,3.5,2.1,0.1,2.6,4.1,5.8,8,10.3
1905,11.3,9.7,9.4,6.6,3.3,0.3,-0.4,1.5,3.1,4.7,7,8.2
1906,9.9,9.7,7.3,5.2,1.4,0.8,0.3,2.3,3.4,5.5,7.3,8
1907,9.6,10,8.5,6.4,3.5,0.9,1.3,1.2,3.2,5.1,7,7.7
1908,9.9,11.1,8.6,5.4,3.7,2.6,1,2,3.7,4.6,5.8,8.2
1909,10.1,9.5,8.2,5.9,2.4,2.1,1,1.6,3.1,5.6,6.8,7.3
1910,8.6,10.1,9.4,6.4,4,1.9,1.8,1.7,4.3,6.5,8,9.9
1911,9.6,9.9,8.7,5.5,3.6,3.3,2.3,2,3.9,5.9,7.4,9.6
1912,11.1,9.4,9.2,7.1,3.1,2,2.6,1.5,3.8,6.1,5.8,8.8
1913,10.9,9.2,8.5,6.7,3,0.8,0.5,1.8,4.5,5,6.9,9.2
1914,9.6,9.7,9.2,6.6,3.7,1,1.1,2.2,3.2,5.2,6.2,9.4
1915,10,9.5,9.5,4.6,2.2,1.1,1.5,1,4.2,6.1,7.3,8.7
1916,11,10.3,8.8,6.4,3.5,2,1.6,3.1,3.3,5.9,7.5,9.3
1917,10,10.5,8.9,7.6,4.8,1.8,2.7,2.3,3.6,6.8,8.6,8.8
1918,10.3,10.7,8.7,6.3,2.7,3.2,1.4,1,3.8,6.5,6.7,10.2
1919,11,10.7,8.6,6.1,3.7,2.6,2.5,3.7,4,5.8,6.7,9.5
1920,10.7,10.2,8.1,7.3,3.8,2.5,1.6,3.2,3.8,5.3,7.6,9.2
1921,10.3,9.7,9.3,7.2,2.3,2.7,2.5,1.7,4,6.5,7.7,9.2
1922,9.5,9.7,8.4,6.7,4.2,2,2.6,2.3,4,6,8.9,10.1
1923,10.7,10.8,8.1,5,4.7,0.8,-0.7,1.3,3.1,3.9,6.3,7.8
1924,10.8,8.7,8.9,5.4,3.9,2.8,0.5,2.3,3.9,6.5,6.9,9.5
1925,9.3,10.1,9.1,6,4.4,1,0.9,2,2.6,4.8,8,10.1
1926,9.4,10.5,8.4,5.2,4.4,2,1.2,2.9,3.4,4.5,7.8,10.5
1927,9.9,9.6,8.9,7.3,4,1.7,1.3,1.7,2.3,5.1,7.4,8.9
1928,9.3,8.8,8.3,6.1,3.5,0.9,1,3.1,4.9,6.1,6.8,8
1929,9.4,9.8,8.4,7.2,4.1,2.3,2,0.9,3.8,5.8,7,7.3
1930,9.9,9.8,7.2,6.9,3.8,0.4,-0.2,1,4.5,4.6,8.2,9.1
1931,9.9,9.4,8.9,5.9,3,2.1,0.6,2.7,2,4.9,5.8,8.7
1932,9.7,9.7,8.3,4.9,3,1,-0.6,1.6,3.5,5.8,7.6,8.8
1933,8.7,9.3,8.6,6.6,3.7,1.3,2.1,2.2,4.3,5.5,6.3,7
1934,11.1,7.2,7.7,5.9,2.6,0.3,1.2,2.5,3.6,6.8,7,8.1
1935,8.6,8.4,9.4,4.6,5.2,2,-0.5,1.5,1.7,4.1,7.2,7.6
1936,9.4,9.7,7.5,5.9,1.4,1.3,1.7,1.4,3.2,5,7.8,9.2
1937,9.8,8.6,7.4,6,4,0.7,-0.6,0.5,3.7,4.5,6.9,8.1
1938,7.5,7.7,7.7,6.4,3.5,1.9,0.9,1.1,2.9,5.9,6.9,8.2
1939,9.2,9.3,7.85,5.4,2.5,0.4,0.9,0,3.3,5.05,5.7,8.35
1940,9,10.2,8.8,5.4,3,1.6,2.2,2.4,4,6.3,7.7,8.6
1941,10.6,9.5,8.3,4,3.3,2.6,2.4,2.6,3.3,5.9,6.4,9
1942,10.3,11.2,7.5,6.3,1.9,1.7,1.9,2.3,2.1,5.3,7.8,11.4
1943,10.4,10.4,9.3,7.5,3.2,2.9,2.5,2.1,4.1,6.6,7.3,10.2
1944,9,9.6,10.1,6.3,4.2,0,1.2,1.8,3.7,5.55,7.35,9.55
1945,10.8,10.4,9.5,5.8,3.4,1,0.9,2.4,3.8,6.3,6.9,9.9
1946,10.7,9.1,8,7.1,4.7,2,1,0.3,2.9,5.7,6.5,8.1
1947,7.7,9,7.8,6.1,3.5,1.4,1.6,2.7,3.6,6.9,8.7,8.2
1948,8.9,9.1,7.2,6.8,3.4,2.4,0.1,0.2,3.5,5.1,6.7,8.7
1949,10,9,8.1,6,3,2,1.6,1.6,4.1,5.8,8,7.6
1950,8.3,10.5,9.2,6.2,2.4,2.3,1.9,0.1,2.6,5,6.4,8.7
1951,9.1,9.3,8.3,7.1,4.6,0.9,1.3,2.9,2.5,4.5,6.2,10.2
1952,10.6,9.9,7.9,5.5,2.3,1.2,1.9,2.4,5,6,8,9.1
1953,9.2,10.2,9.4,5.1,3.2,2,1.1,2.8,3.3,5.6,7.5,10
1954,8.7,9.9,8.8,6.8,3.4,0.6,1.3,1.2,2.3,5.7,7.6,7.9
1955,9.4,9.6,8.4,5.9,3.9,0.9,0.6,1.8,3.4,6.8,8.6,7.1
1956,7.9,9.1,8.3,5.7,3.1,3.1,2.4,2.7,3.4,6.7,9.2,8.9
1957,8.9,10.6,10.2,7,4.9,1,1,0.9,3.8,4.6,8.3,8.4
1958,11,7.5,8.3,6.5,1.9,1,1.7,2.3,3.6,6.3,7.2,7.7
1959,9.4,9,8.9,2.5,1.5,1.4,0.6,1.4,3.5,4.9,7.2,9.4
1960,10.6,10.8,9.9,5.9,3.2,1.3,1.5,2.3,3.8,5.9,7.9,8
1961,9.9,9.9,7.9,4.95,3.5,0.9,0,1.4,2.9,5.95,7.25,9.05
1962,9.1,8.7,8.9,6.5,4.9,2.8,1.6,1.9,4.4,6.6,6.7,9
1963,9,10.4,7.8,4.8,4.2,2.1,1.5,1.1,2,4.1,6.3,10.2
1964,10.4,10.4,7.6,5.6,4,-0.1,2,1,3.2,5.9,6,7.8
1965,9.9,9.6,9.3,5.8,3.6,2.8,1.1,2.6,3.6,5.1,8.3,7
1966,9.6,7.2,8.7,6.8,3,1.7,0.1,2.3,2.5,4.6,6.5,8.6
1967,8.7,9.7,8.2,6.4,3.7,1.8,1.9,1.6,3,4.5,8.7,9.2
1968,10,9.1,8.2,6.5,4.3,2.6,2.4,3.3,3.6,5.4,7.8,8
1969,8.4,9.6,8.5,6.6,2.8,1.3,1.3,2.4,3.8,4.2,6.9,9.8
1970,9.4,10.1,7.8,5.7,2.8,2.3,2,2.1,4.6,5.9,7.9,8.7
1971,8.3,8.5,7.9,5.9,1.5,1.3,0.8,2.5,4.6,5.8,7.5,7.7
1972,9.6,8.8,8.1,7,2.2,0.7,1.2,0.6,3.1,4.2,7.8,10.8
1973,8.9,9.4,9.6,5.4,2.4,1.2,0.5,2.4,4.2,6.4,7.1,9.5
1974,9.6,9.7,9.7,6.8,2.8,2.1,1.7,1.8,3.3,5.7,7,9.2
1975,9.5,9,9,6.9,3.6,1.9,0.7,1.9,4,6.5,6.7,7.9
1976,9.5,10.4,7.2,5.8,4.5,0.9,0.6,2.4,2.9,5.1,7.3,6.6
1977,9.9,10,8.6,6.8,4.3,2.5,-0.1,1.2,2.8,5.5,7.4,10.3
1978,10,10.4,8.8,6.2,4.5,2,0.8,2.1,4.6,5.8,6.6,9.4
1979,11.6,11,9.8,8.1,2.9,2.5,2.1,2,3.6,5.2,6.2,10
1980,10.8,9.7,9.2,5,2.8,2.1,0.3,1.6,3.6,5.7,7.2,8.9
1981,9.9,10.6,6.9,6,4.3,1.7,1.9,2.1,3.4,6.1,8.2,8.8
1982,11.7,10.7,8.7,7.2,5.4,1.6,-0.7,1.4,3.4,4.6,6.8,10.3
1983,11,9.8,8.5,6.8,3.8,1.7,1.9,3.4,3.4,5.5,8.9,9.9
1984,10.6,9.8,8.3,6.2,1.5,0.4,0.6,2.2,4.3,5.7,8.3,9.4
1985,12.2,11.9,8.4,6.6,3.2,1.9,2.4,3.4,5,6.2,8.9,10.4
1986,11.3,9.8,8.4,6.1,2.3,2.1,2.2,2.4,3,5.2,7.3,9.1
1987,10.7,9.7,9.8,6.3,3.2,1.7,-0.1,1.9,2.9,5,8.8,9.3
1988,8.9,9.8,9.9,4.9,4.1,2,1.7,0,3.9,4,8.6,9.35
1989,11.1,10.3,8.9,5.7,4.4,4.2,4.5,3.7,4,6.3,8.5,10
1990,9.9,11.2,9,4.3,3.8,2.6,2.2,2.9,3.9,7.2,8.3,8.8
1991,11.2,9.6,8.7,6.2,3.4,-0.2,0.8,1.9,3.5,5,7.5,8
1992,11.1,9.1,8,6.5,3.2,0.4,0.7,2.5,3.9,5.1,6.7,9.9
1993,9.8,10.9,9.2,6,3.6,1.9,2.3,4.1,4.6,6.4,8.4,9.8
1994,11.3,9.4,8.7,6,3.6,2.4,-0.4,2.8,3.6,3.9,5.8,9.4
1995,9.7,10.5,7.9,6.8,4.4,0.4,-1.7,-0.5,3.1,5.1,7.4,9.7
1996,9.4,9.2,9.2,6.4,4.7,2,2.3,3.3,5.4,6.4,8.5,9.2
1997,11.1,9.3,8.9,6.6,4.2,2.3,0.9,2.4,2,5.6,6.8,7.7
1998,10.1,9.5,9.1,7.6,5.1,3.7,4.2,3.5,2.4,7.3,7.7,9.6
1999,10.4,9.8,9.5,7.4,4.6,1.8,2.8,2.9,3.1,6.6,8.7,9.1
2000,11.2,10.1,8.2,7,4.4,2.9,0.8,1.9,1.9,5.3,6.4,9.1
2001,9.2,9.5,8.3,6.3,4.4,2.2,0.2,3.4,3.9,6.5,8.7,9.5
2002,10.7,10.8,6.8,6.9,2.1,-0.3,1,1.3,2.8,4.3,6.6,9.8
2003,9.6,10.5,8.5,6.1,4.3,1.2,2.9,4.2,4.5,5.4,7,8.4
2004,11.4,10.8,10.4,6.3,3.8,4.1,2.4,2.9,4.9,6.3,7.8,11.5
2005,10.3,11.4,9,6.5,3.2,0.9,0.9,2.5,5.1,5.3,7.3,7.7
2006,10.8,9.7,9.6,6.7,5.4,2.5,2.3,1.8,3.7,5.9,8,10
2007,9.8,9,8.3,6.2,3.1,2.1,-1,2.6,4.1,6.3,6.1,9.7
2008,11.2,11.5,9.7,5.5,3.3,2.7,2.2,1.2,5.3,6.8,9.6,11.2
2009,10.8,11,10.3,7,4.8,3.6,1.1,1.4,4.3,5.6,6.1,8.2
