1901,2.4,0.5,1.3,3,6.3,8.4,11.2,10.1,9.6,5.6,3.7,2.1
1902,2.6,0.6,3.3,3.4,4.6,9.1,9.8,9.6,9,6.6,4.4,3.1
1903,1.5,3.2,2.2,3.1,5.9,8.6,10.3,9.3,8.9,6.3,3.5,1.9
1904,1.9,0.9,1.4,3.5,5.7,8.6,10.5,9.7,8.2,5.9,3.5,2.8
1905,2.9,1.7,2.2,3.5,5.6,9.2,10.9,9.5,7.9,4.2,2.1,4.3
1906,2.9,0.3,2,2.3,5.3,8.9,9.9,10.9,8.5,6.1,4.2,2.2
1907,2.3,0.7,3.3,3.3,5.5,7.5,9.7,9.2,9.2,5.7,3.4,2.5
1908,1.3,3,1.5,2.6,6.8,8.3,10.5,9.8,8.4,8.7,4.9,3.2
1909,2.8,2.2,1.1,4.1,5.9,7.7,10,9.9,7.8,6.2,2.3,1.8
1910,1.5,1.1,3,2.7,5.9,9,9.6,10.4,8,7.2,1.5,3.6
1911,2.1,1.6,2,3.3,6.7,8.3,10.6,11,8,6,2.8,3.1
1912,2,1.7,3.2,4.5,6.4,8.5,9.6,7.8,7.5,5,3.9,3.2
1913,1.8,2.1,2,3.6,5.9,8.1,9.7,9.6,9,6.8,4.2,2.8
1914,2,2.1,2.1,4.6,5.4,8.1,10.3,10.2,9,6.7,3.2,1.3
1915,1.7,0.3,1.4,4,6.1,8.7,9.9,10.3,9.2,6.5,1.6,2.3
1916,3.7,0.5,0.8,3.2,5.7,7.1,10.1,11.4,9.7,7.3,4.1,1.2
1917,0.7,0.1,1.6,1.1,6.5,8.2,10.8,10.6,8.8,4.1,4.7,1.3
1918,1,3.8,2.4,3.1,6.8,8.1,9.8,10.4,7,5.3,3,4.3
1919,1.6,1,-0.3,2.8,7.5,8.1,8.8,9.9,7.6,5.7,-0.4,2.8
1920,1.7,2.8,2.3,3.3,6.1,8.8,9.1,9.1,8.4,7.5,5.2,2
1921,3.7,2.9,3.1,3.9,5.4,8.3,11.5,9.9,9,8.6,4.9,5.2
1922,2.6,3,2.4,1.3,6.2,8.1,8.7,9.3,8.2,5.9,4.3,3.6
1923,3.5,3,3.5,3.9,4.7,8,11.2,10.1,7.8,5.9,1.2,3.2
1924,3,2,2,2.5,5.9,8.8,10.5,9.9,8.4,6.3,4.5,4.2
1925,3.3,1.5,2.3,3,5.9,8.6,10.4,9.8,7.6,7,2.3,1.8
1926,2.8,4.1,3.6,5.5,5.6,8.5,11.9,11.2,9.4,4.7,2.8,2.7
1927,2.2,2.5,3.7,3.6,5.8,7.2,10.8,10.6,8.2,6.9,3.5,2
1928,2.3,3.3,3.2,3.7,6.3,8.1,10.3,9.9,8.2,7.2,4.1,2.7
1929,1.3,2,4.6,3.7,6,8,10.3,10.5,9.9,6,3.7,2.8
1930,1.4,0.1,2,4,6.1,8.5,10.5,10.2,9,7,3,3.3
1931,2.1,1.6,2.9,4.3,6.6,9.2,10.8,10.1,8.4,6,4.7,4.8
1932,3.9,1.7,2.4,3,6.4,8.8,11.1,11.5,8.6,5.3,4.3,3.7
1933,1,1.6,3.8,5.1,7.1,9.4,11.9,11.3,9.6,7,3.4,2.2
1934,2.8,2.2,2.2,3.2,5.7,9.5,11.8,10.3,8.9,6.4,3.7,5.2
1935,3,2.4,3.9,3.8,5.6,9,10.4,10.6,9.1,5.9,2.9,1.6
1936,1.2,1.5,3.9,3,6.4,8.7,11,11.1,10.1,7,3.4,3.2
1937,2.3,2.1,0.7,5.6,6.5,8.7,10.5,10.9,8.9,5.9,3.9,2.1
1938,2.7,2.4,5.2,3.4,6.1,8.6,9.8,9.9,9.2,7,5.6,1.9
1939,1.2,3.4,3,4.3,6.4,8.5,10.1,10.5,9.5,5,4.9,2
1940,0.5,2.6,2.9,4.9,7,10.3,9.4,10.3,7.9,6.5,3.7,2.6
1941,-0.1,0.9,2.1,2.9,4.6,9.2,10.8,10.4,10.5,7.5,3.6,4.8
1942,2,0.9,3.6,5.2,6.3,9,10.5,11.4,9.2,6.2,2.1,4.9
1943,3.1,4,4,6.1,6.2,8.9,10.8,10.3,8.7,7.5,4.6,3.1
1944,4.4,2,2.6,5.5,6.3,8.7,11.2,10.9,8.2,6.2,3.8,3
1945,-0.5,4.2,5.5,6.2,6.8,9,11.6,11.4,10.5,8.3,5.6,4.3
1946,2.7,3.2,3,4.8,6.1,8.2,10.7,9.8,9.9,7.3,4.9,1.8
1947,1.4,-1.7,1.3,4.4,6.7,9.4,10.7,12,9.9,7.9,4.8,3.4
1948,2.2,2.7,5.4,4.1,5.9,8.5,10.4,10.5,9.2,7.1,6,3.9
1949,3.3,3.2,3,5.4,5.3,8.6,11.3,10.9,10.4,8,4.2,3.4
1950,3.4,1.4,4.2,3.8,6.9,9.8,10.8,10.1,8.7,6.4,2.8,0.3
1951,1.3,0.1,1.4,2.8,4.6,8.3,10.8,10.2,9.3,7.1,4.6,3.2
1952,0.5,2.4,3.9,4.6,6.8,8.4,11.2,10.6,7.2,6.4,3.2,2.7
1953,2.6,2.8,2.5,2.5,7.2,8.5,10.6,10.7,10.1,6.7,5.1,5
1954,2.1,1.6,3,4.1,6.5,8.6,9.9,9.9,7.9,7.9,3.3,4.4
1955,0.7,-1.1,0.3,5,5.5,9.2,11.1,12.3,10.3,5.8,4.7,3.7
1956,1.6,-0.2,4.5,3.7,6.6,8.2,10.6,9.2,10,6.4,4.7,4
1957,2.3,1.6,5.9,4.3,6.1,9.1,10.9,10.7,9.2,7.4,4.1,3.1
1958,1.9,2.5,2.2,4.3,5.1,8.7,10.3,10.9,10.3,7.8,5.3,2.3
1959,0.6,3.6,3.8,4.5,6.7,9.3,11,11.2,9.5,9,3.8,3.3
1960,1.9,0.6,4.2,4.4,7.4,9.9,10.6,9.9,8.4,6.2,3.9,2.1
1961,1.3,4.5,5.8,4.8,6,8.7,9.6,9.8,8.9,6.3,3.3,0.2
1962,1.8,2.7,0.4,3.2,5.5,7.8,10.2,9.3,7.8,7.5,3.6,2.5
1963,-1,-1.2,2.8,4.4,5.2,9.1,9.7,9.5,8.2,7.6,3.9,1.4
1964,3,2.5,2.3,4.4,7.3,8.6,10.5,9.8,9.3,6.2,4.5,2.1
1965,0.9,0.5,2.6,4.1,6.7,8.7,9.1,9.8,7.7,7.1,1.9,2.3
1966,1.3,3.3,4.1,4.1,6.2,9.9,10.3,9.7,9.5,5.2,2.9,3.5
1967,2.8,2.6,3.4,4.2,4.6,8.5,10.3,9.7,9,5.8,3.2,3.1
1968,3.1,-0.9,3,3,4.6,8.4,9,9.9,8.9,9,4,1.8
1969,2.1,-1,0.8,3.4,5.7,8.1,10.5,10.8,8.9,9.4,2.3,2.9
1970,1.8,0.5,1.8,3.4,7.4,10.1,9.7,10,9.6,8,4.5,2.5
1971,3.1,2.9,3.1,3.5,5.9,8,10.2,10.3,9.7,8.4,4.4,4.7
1972,0.9,1.6,2,4.3,6.1,6.9,9.9,9,7,7.3,3.1,3.4
1973,3.4,2.9,2.7,3.7,6.2,8.4,10.3,10.6,9.2,6.4,4.4,3.2
1974,3.4,3.1,2.3,3.7,6.2,8.3,10.4,10,7.4,5.5,2.8,5.1
1975,3.4,3,1.9,4.5,4.9,8.2,11.3,11.3,8.3,7.8,4.1,3.7
1976,3.8,2.5,3,4.5,6.5,9.7,11.9,11.1,8.9,5.2,3.6,0.4
1977,1.1,1.9,4.1,3.7,5.4,7.2,10.8,9.9,8.2,8.7,2.7,4.4
1978,1.7,0.9,2.9,3.2,6.1,8.4,10.4,10.3,10.4,9,5.4,2.6
1979,-0.4,0.3,1,3.3,4.2,8.7,10.9,9.7,8.7,6.9,4.3,2.9
1980,0.7,2.4,2,4.4,6.1,9.1,10.1,10.7,10.3,6,4.2,3.8
1981,4.1,2.2,4.1,4.6,6.2,9,10.2,11.2,9.7,4.5,5.3,0.2
1982,1.9,2.4,2.5,4.6,6.2,9.5,10.4,10.1,8.8,6.5,3.9,2.3
1983,3.8,1,4.4,2.1,5.7,8.6,11.8,11.8,9.2,7,5.3,4.6
1984,0.8,2.6,1.5,4.4,4.7,9,10.9,11.4,8.8,6.4,2.8,3
1985,-1.7,1.7,2.2,4.7,5.2,7.8,10.6,9.4,10,7,1.4,3.9
1986,1.6,-1.8,2.1,2,6,8.8,10.4,8,7.1,7.3,4.3,2.9
1987,0.6,1.3,1.6,5,6.2,8.1,11.3,10.5,8.5,4.9,4.5,3.8
1988,2,2.3,3.9,4.8,6,9.3,9.9,10.1,9,6.3,3.2,6.3
1989,5.1,2.9,2.8,2.3,6.4,8.4,11.4,11.2,8.9,8.2,3.9,1.4
1990,3.4,2.7,5.5,3.9,7.7,8.6,11.2,11.7,7.8,7.8,4.1,2.3
1991,1.3,0.4,4.4,4.6,6.6,8,12.1,11.3,9.5,6.5,4.1,4
1992,3,3.6,4.5,4.9,7.5,9.9,11.1,9.4,7,4.9,4.4,2.2
1993,3,4.7,3.6,5.6,5.9,9.5,10.4,9.4,8.1,4.8,3.4,2.6
1994,2.3,1.7,3.6,3.6,5.7,8.8,11,10.3,8.3,7.3,6.5,3.6
1995,2.4,3.3,2.4,4.9,6.5,9.2,12.3,11.7,8.8,8.6,4.9,0.7
1996,3,0.6,2.4,4.7,4.6,8.9,10.6,10.7,9.6,8.3,3.4,2
1997,1.4,3,4.8,5.7,6.9,8.8,11.2,12.2,9.7,7,5.5,4
1998,2.8,5.3,5.1,3.7,7.5,8.9,10.7,11.1,10,7,4.8,3.7
1999,2.8,4,3.7,5.5,7.7,8.3,11.5,11.4,9.8,7.4,5.3,2.7
2000,3.3,3.3,4.7,3.4,6.5,9.3,11.4,10.7,9.6,6.7,3.8,2.6
2001,1,1.5,2.1,3.9,6.9,8.7,10.6,10.9,9.6,8.7,6,2
2002,4.5,3.4,3.9,4.7,6.6,9,10.3,10.8,9.3,5.9,5.4,3.3
2003,2.5,2.6,3.4,5.5,6.7,9.9,11.8,11.6,9.6,6.4,5.3,3
2004,3.4,2.3,3.3,5.4,6.8,9.9,10.2,11.4,10.3,5.8,5.8,4.1
2005,4,2.7,4.7,4.9,6.1,10.2,11.3,11.3,9.8,8.2,4.1,4
2006,2.7,2.8,2.7,4.3,6.6,9.9,11.8,11.4,10.9,8.8,4.6,4.1
2007,4.1,2.5,3.5,5.8,6.7,10.3,11,11,9.3,8.8,6.1,3.9
2008,3.1,2.7,2.9,4.2,7.8,9.1,11.4,11.7,8.6,6.1,4.9,2.6
2009,1.8,2.7,4.1,5.8,6.6,9.8,11.4,11,9.4,8.6,4.9,0.8
