1901,3.8,5.4,5.3,4,7.8,10.2,10.4,9.4,10,8.6,6.5,2.6
1902,2.1,7.9,4.1,6.1,7.8,8.7,10.8,11.1,10.4,8,5.8,5.5
1903,3.7,0.9,4.9,4.1,7.5,11.4,10.3,10.6,10,8.6,7.3,3.7
1904,2.5,5,5.8,6.8,9,9.7,10.8,10,11,9.9,7.2,4.5
1905,6,4.9,7.4,7.2,9,10.2,11.8,11.2,9.4,6.9,2.9,2.8
1906,4.6,7.2,6.3,6.9,9,12,12.7,10.9,10.6,7.6,5.2,5.7
1907,4.5,7.4,5,7.2,8.2,10.8,12,11.3,9.4,8.9,4.6,6
1908,5.3,3.1,3.5,6,7.1,9.8,11.7,9.6,9.6,7.2,4.1,2.6
1909,7.3,5.3,4.6,5.2,7,12.3,13.1,10.1,9.5,8.6,6.7,3
1910,2.7,3.3,6.4,6.2,9.3,10.8,10.8,11.5,8.7,8.3,5.7,5.1
1911,4.6,2.4,4.4,4.4,6.8,8.8,11.9,9.5,8.1,7.2,3.8,1.9
1912,6.1,5,3.9,5.7,10.2,11.5,10.5,11,11,5.8,5.5,3.1
1913,2.1,2.3,3.6,5.8,8.6,11,13.1,13.1,11.1,8,7.2,5.1
1914,8,6.5,6.2,8.4,8.4,9.9,10.4,10.2,10.2,9.2,4,3.3
1915,5,6.2,5.9,8.1,9.8,10,12.3,12.6,9.4,6.8,5.2,4.5
1916,3.9,6.4,7,5.3,6.7,9.3,12.2,11.3,10.4,6.1,2.2,1.9
1917,0.4,2.1,2.5,5.6,7,9.2,11,10.3,10.6,8,5.5,4.6
1918,3.6,3.3,4.2,4.1,5.5,10,10.6,10.6,11.2,7.9,4.5,2
1919,3,4.7,4.7,3.9,6.9,8.4,9.3,10.1,11.1,4.7,2.3,2.8
1920,2,0.9,3,5.4,6.4,10,10.8,10.9,10.8,8,5.8,5.3
1921,4.6,3.9,6.1,4.2,6.8,11.7,10,9.8,9.4,8.1,4.9,3.4
1922,0.3,2.9,4,3.6,7.1,9.3,10.2,11,11.5,8,3,5.1
1923,3.7,1.4,3.3,7,7.8,9.7,11.3,13,11.2,9.2,5.4,2.6
1924,1.2,5,3,5.1,8.4,11.4,10.4,10.9,10.2,7.7,5.8,2.7
1925,4.6,6.4,4.1,7.5,9.4,10.4,11.4,11.3,10.4,6.6,3.8,3.3
1926,2.9,6.2,7.4,9.6,9.1,12.5,12.9,11.7,8.6,8.6,8.4,2.9
1927,5.7,5.4,4.4,5.8,7.3,10.9,11.7,11,9.9,7.9,7.8,2.1
1928,4.7,4.4,7.6,6.1,9,10.3,11.9,10.8,9.3,8.1,5.1,2.3
1929,2.3,1.1,4.5,4.7,6.8,10.5,11.5,11.3,9.2,7.1,4.2,5.9
1930,3.5,5.2,5.3,7.2,6.7,9.9,11.7,11.8,11.3,6.9,3.7,1.4
1931,4.3,5.6,6.1,6.2,10.2,11.6,14.2,12.5,9.2,7.9,3.5,4.3
1932,2.8,3.1,6.8,5.9,9.8,11.8,12.5,12,12.8,7.6,6.5,1.8
1933,2.4,2.1,6.6,5.9,8.1,10.8,12.6,12.4,10.3,9.2,4.3,5.7
1934,5.3,6.6,7.3,8.4,10.1,13.5,13,14.1,10.4,9.8,9.3,5.6
1935,5.3,6.9,4,8.2,9.3,11.9,12.7,12.6,9.4,9.2,5.1,5.9
1936,6.7,6.5,5.4,7.4,10.7,11.7,10.3,10,10.3,8,5.1,4.9
1937,1.4,4.7,7,6.5,9.4,13.4,12,12.2,12,9.3,7.3,6.9
1938,6.2,6.8,6.5,7.4,7.6,8.9,11.5,10.7,12.6,10.2,4.8,5.8
1939,4.2,4.5,6.2,7.4,10.1,11.6,11.3,11.9,12.3,9.6,5.4,7.2
1940,6.3,8.5,7.5,7.7,9.7,11.5,12.8,12.5,13.5,10.3,6.2,6
1941,5.8,7.1,7.2,7.2,11,11.6,13.2,13.4,11.5,9.1,8.1,4.7
1942,5.1,3.9,4,7.3,8.3,10.9,13.9,12.3,11,8.4,5.8,4.7
1943,2.8,5.2,6.2,7.5,8.8,10.3,12.6,12.4,12.6,9.7,6.3,4.1
1944,3.9,3.2,3.8,5.7,8.6,10.9,12.3,11.8,10.4,9.7,6.5,5.9
1945,3.6,5,3.8,4.9,9.5,11.2,12.8,11.7,11,10.4,6.8,5.6
1946,3.4,3,4.5,5.2,8.5,11.3,13.2,12.1,10.9,7.3,3.7,3.9
1947,1.9,5.9,6.3,7.9,9.8,12.3,14,14.6,11.3,10.6,5.4,3.5
1948,2.5,2.4,2.8,5.7,8.7,11.8,12.7,12.5,10.9,9,4.5,1.3
1949,-1,2.7,6.1,6.7,10.1,11.2,11.6,12.6,12,7.1,8.5,2.5
1950,2.2,4.6,5,5.9,7.1,11.2,11.8,12.1,11.7,10.5,8.9,7.5
1951,4.1,4.9,4,6.9,9.4,10.9,12.4,13.3,12.4,9.8,7,3.8
1952,3.4,4.6,3.9,6.6,8.6,11.1,13.3,12,11.8,10.2,4.3,5.4
1953,6.4,3.8,5,6.2,8.8,11,11.5,14,13.3,8.8,8.2,4.7
1954,4.2,4.6,5.3,7.6,8,10.5,12.7,12.9,11.5,9.1,7.6,3.9
1955,2,2.7,3.9,5.3,8.6,11,12,10.6,9.8,9.2,5.6,5.9
1956,5.6,3,4.6,6.2,9.5,11.2,12.6,12.8,11.7,8.7,4.2,2.3
1957,1.7,6,6.8,7.1,10.5,11.7,12.5,12,12.8,11.1,6.3,4.8
1958,5,8.2,4.7,7.4,10.9,11.6,14,13.6,12.5,9.4,7.2,6.1
1959,5.7,4,5.5,7.4,9.2,11.6,12.8,13,12.5,10.2,5.3,3.5
1960,4.4,4.7,7.4,7,9.5,12,12.3,12.7,10.7,9.7,6.4,4.2
1961,4.9,6.2,5.8,6.4,9.7,12.4,12.7,14,11.5,8.6,5.7,3.1
1962,2.3,5,5.2,7,8.7,9.9,11.8,13.2,12,9.9,6.8,4.9
1963,2.4,8.7,5.2,6.7,10.1,10.8,12.8,12.7,13.7,10.9,7.3,4.6
1964,3.4,3.1,3.6,5.5,7.8,11.5,12.6,13,10.8,9.7,6,5.9
1965,4.4,3.4,6,7.6,7.7,10.6,12.4,14,10.9,10,8,3.2
1966,3.6,3.6,5.5,7.1,8.6,11.1,12.6,11.9,12.2,8.9,7.9,5.4
1967,3.8,4.1,4.6,4.8,8.9,11.3,12.1,11.9,13.1,10.1,8.2,1.9
1968,3.2,8.2,6.4,5.8,8.8,11.1,12.6,14.6,12.3,8.9,7,2.8
1969,3.3,4.1,4.6,6,10.3,12.9,12.2,11.6,11.5,9.1,6,6.4
1970,6.6,6.1,5.9,5,8.9,11.7,12.3,12,10.3,8.6,8.2,4
1971,3.9,3.8,4.8,5.8,8.9,10.9,12.5,13.8,11.9,6.8,5,2.4
1972,3,5.9,6.8,6.2,8.4,11.2,14.2,13.1,11.7,10.2,6.3,3
1973,3.7,6.6,4.5,6.9,8.4,11.4,12.7,11.9,12.4,8.3,7.7,6
1974,4.1,3.1,6,6.3,7.9,11.1,13.7,13.2,12.5,8.4,5.5,4.4
1975,2.3,4.4,5.1,4.1,8,10.5,12.7,12.2,11.5,8.5,4.1,3.9
1976,2.8,4.3,3.7,5.3,8.4,10.4,13.3,14.1,12,8.9,6.9,3.2
1977,3.7,6.1,4.6,6.9,8.5,11.9,12.7,14.4,12.6,9.2,6.2,6.7
1978,7.2,7.1,8.6,6.8,9.4,12.4,12.9,12.8,12.2,9.6,4.3,1.9
1979,4.1,5.2,6.4,7.5,10.1,10.8,13.9,13.8,13.9,11.3,6.8,5.1
1980,5.1,8.2,5.5,7.4,8.9,11,13.1,12.4,11.8,9.1,6.1,5
1981,6.8,6.5,5.8,6.8,9.5,11.9,12.2,13,11.8,8.8,8.6,7
1982,2.4,5.1,5.1,6.1,8.2,11.7,13.3,13.4,12,9.6,6,4.9
1983,5.9,7.7,7.3,5.9,8.7,12.9,14.6,15.2,14.3,11.7,7.3,7.3
1984,5.3,5,7.9,6,9.8,11.1,13.5,12.9,11.3,8.7,6.8,3.2
1985,4.1,5.3,5.1,7.5,8.6,11.9,14,13.5,11.9,9.3,3.7,4.1
1986,7.7,8.3,8.1,7,9.2,13.2,12.7,13.7,11.9,10.2,6.2,5.8
1987,4.5,6,6.5,7.1,10.4,11.9,13.9,13.7,11.9,11.1,7.2,5.8
1988,5.1,4,4.9,7.3,8.6,11.8,14.3,12.9,11.4,10.2,7.3,3.7
1989,3,3,7.3,8,9,12.5,12.9,12.7,10.8,8.1,5.1,3.3
1990,3.4,3.2,5.2,8.5,9.5,12.1,14.2,14.5,12.7,8.4,3.5,-0.2
1991,2.5,6,4.8,6.7,8.7,11.5,14.6,15.8,12.6,10.4,6.3,3.9
1992,4.6,7.9,8.3,9.3,11.2,13.6,15.7,14.5,12.9,11.9,6.6,4.3
1993,4,6.1,9,8.3,9.4,12.8,14,15.2,12.1,11.6,5.2,4.5
1994,5.6,5.8,7.3,8.1,10.7,12.2,14,14.7,13.2,9.9,4.8,4.8
1995,7.6,8.3,6.3,7.3,9.7,12.7,15.6,13.3,13.8,9.6,7.8,7.3
1996,6.4,8.2,6.3,7.6,9.4,11.2,13.7,13,11.4,9.9,7.7,6.5
1997,5,5.4,5.8,7,11.4,12.2,14,14.8,14.4,9.9,7.9,3.7
1998,7.1,6.5,6.5,6.8,9.1,12.5,13.1,13.5,12.6,8.7,6.7,2.3
1999,4,4.5,4.3,5.7,8.4,11.4,13.3,15,11.3,8.6,8,3.8
2000,5.8,7.5,5.7,8.3,10.9,12.2,14.3,13.2,13.7,10.1,5.5,5
2001,3.4,5,5.8,5.6,8.6,11.1,13,12.8,10.6,8.5,6.8,5.3
2002,3.6,4.8,4.5,6.9,7.9,11.4,13.1,12.2,10.8,9.1,6.3,5.6
2003,7.4,4.1,6.7,6.6,8.6,11.2,12.9,14.1,12,9.5,5.5,5.3
2004,5.3,5.4,6.5,7.2,10.2,11.8,13.8,14.4,11.8,8.9,5.5,4.7
2005,4,6,6.7,6.6,10.8,11.9,13.7,12.7,10.8,8.5,6.1,5.6
2006,5.2,3.9,4.4,6.9,8.7,12.2,13.3,12.4,10.5,8,6.7,3.8
2007,1.5,5.3,5.8,5.9,8.2,10.4,14.3,13.1,11.2,8.6,5.5,3.1
2008,3.5,3.8,4.1,4.6,8.8,10.5,13,13.4,10.8,8.9,7.7,3
2009,3.4,4.5,4.8,5.7,9.3,11.9,12.7,13,13.8,9,6.8,4.2
