1901,4.3,4.8,5.3,2.9,5.6,5.1,4.8,5.7,6.2,6.8,6.4,3
1902,1.6,7.1,3.8,5.3,6,5.1,6.7,8.6,7.8,7.1,5.2,4.3
1903,3.5,1.4,5.3,4,6.1,6.8,6.2,5.7,7.6,7.2,7.3,3.7
1904,2.7,5.4,6.2,6.2,7.5,7.3,6.7,6.4,9.5,8.5,5.9,4
1905,5.6,5.2,7.5,6.3,6.7,6,7.6,6.3,6.5,5.2,3.6,2.8
1906,5,7.4,6.8,5.6,7.6,7.6,6.5,7.3,6.1,8,4.6,4.9
1907,4,7.4,4.9,6.7,6.6,6.9,8.3,8.4,7.2,7.9,5,5.5
1908,5.3,3.8,4.8,5.2,5.4,5.3,8.5,7.7,7.7,5.5,5.4,2.7
1909,7.7,5.3,4.3,5.2,5.4,6.8,7.2,6.1,8.3,8.1,6.1,3.7
1910,2.9,4,6.3,6.2,7.8,5.5,6.6,6.9,6,7,5.8,5
1911,5.3,3.3,6,5.7,6.8,6.7,7.3,6.6,6.6,7,4.3,3.6
1912,6.4,5.5,5.2,5.1,7.6,8.4,7.6,7.3,9,5.6,5.8,3.9
1913,3,3.9,3.4,5.4,7.1,7.7,8.7,9.1,8.5,6.5,7.5,4.6
1914,6.8,6.1,6.9,7.3,7.7,6.4,7.6,7.8,7.6,7.5,5.7,3.5
1915,5.2,6.8,6.9,7.9,8.3,7.1,8.4,8,7.4,5.8,4.7,4.7
1916,4.4,7.6,6.1,6.1,5.8,6.4,7.5,7.6,8.1,6.9,2.7,2.8
1917,2.2,4.3,3.2,5.1,5.5,5.5,6.8,8.3,8.4,7.5,6.1,5.8
1918,5,4.8,5.1,5.1,5.1,6.8,7.5,8.4,10.3,8.4,6.1,3.9
1919,4,6,5.5,6,7.2,5.6,6.3,7.3,8.2,4.8,2.8,3.4
1920,4.3,4.3,4.4,5.2,6.9,8.7,6.5,8.6,8.3,7.8,6.8,6.3
1921,3.6,3.8,4.9,3.5,4.6,7.7,8,7.1,7.8,7.5,5.9,4.9
1922,1.4,2.9,3.4,3.2,7.3,7.1,7.6,7.1,7.9,6.8,4,3.9
1923,2.7,3.3,4.8,4.9,6,6.1,7.8,8.1,8.3,7.5,7.6,3.6
1924,4,5.9,4.2,5.1,6.9,7.1,7,6.9,7.4,6.4,5.2,2.5
1925,4.3,5.8,5,5.5,6.9,7.2,8.2,7.6,8,7.1,5.7,4.7
1926,2.5,6.3,7.1,7.7,7.8,7.3,8.1,7.6,7.2,7.8,7.7,4.5
1927,5,5.4,4.5,4.6,6,7.6,7.1,7.8,8.3,7.9,6.7,4.6
1928,4.3,5.4,6.9,5.6,7.3,7.6,7.5,7.2,7.5,6.5,5.4,3.2
1929,2.4,3.2,4.2,3.7,5.9,8.1,8.2,8,7.7,7.6,5.3,6.5
1930,3.6,5.9,5.8,6.4,5.8,7,6.9,8.2,8.7,7.4,5.5,4.1
1931,4.8,6.4,6.7,6.1,8.3,8.9,8.7,7.2,7.9,6.6,4.1,3.4
1932,3.4,3.4,6.7,4.9,7,7.1,8,7.4,8.2,7.6,6.7,1.8
1933,2.3,2.8,5,4.5,5.3,6.2,8.3,7.4,7.3,7.4,5.4,4.5
1934,4.9,6.2,7.8,6.3,7.8,8.1,7.6,8,7.7,7.7,7.3,5.2
1935,4.4,5.6,3.7,6.6,7,7.5,7.9,7.1,7.7,7.1,4.5,5.1
1936,6.2,5.3,5.6,5.9,8.4,8.9,7.2,7.4,8.2,7.3,3.8,4.7
1937,0.7,3.4,5.1,4.3,5.8,8.2,7.2,6.5,7.3,8.2,7.2,6.4
1938,5,5,4.7,4.9,5.9,6.2,7.4,7.1,7.3,7.9,5.3,5.6
1939,4.7,3.5,4.3,4.8,6.5,6.2,7.7,7.8,9.1,7.7,5,6.7
1940,5.8,7,6.7,6.2,6.8,7.4,7.8,7.8,9.8,8.1,6.4,6.3
1941,6.5,6.9,7.1,5.5,8.6,7.8,7.9,8.6,8.7,7.3,7.3,6
1942,5.2,5,4.7,5.2,6,6.3,8.1,6.9,7.4,6.8,5.9,5.2
1943,4.6,5.6,5.8,5.3,6.3,6,7.3,7.1,8.7,7.8,6.8,5.8
1944,4.9,4.2,4.5,4.2,5.7,6.5,6.5,6.3,6.3,7.6,6.5,6.2
1945,4.1,5.5,3.5,4.7,6.2,8.2,8.5,7.4,8.1,8.1,6.7,5.9
1946,4.3,3.6,5.1,5.4,7.1,6.9,9.1,6.4,7.4,6.6,5,4.9
1947,2.4,5,5.8,6.8,7.5,9.1,8.2,9.6,7,8.1,5.4,4.2
1948,5.3,3.9,4.1,5.7,7.5,9.1,8.4,8.3,7.4,7.5,5.5,3.4
1949,0.7,2.6,6.2,5.9,8.1,8.2,7.5,7,8.8,6,7.6,4.2
1950,2.8,4.8,4.9,4.8,5,7,6.2,7.2,8,7.6,9.1,7.4
1951,4.5,4.3,3.2,5.4,7.7,8.4,8.8,9.1,9.8,7.5,5.4,4.1
1952,3.6,4.2,4.4,5.9,6.6,7.3,10,8.7,9.2,7.9,3.1,5.4
1953,6.7,3.3,3.5,5.1,6.6,8.4,8.2,10.5,10.6,6,6.9,3.9
1954,4.5,3.8,4,6.4,6.7,7.9,8.9,9.2,8.3,5.8,5.4,3.6
1955,1.9,2.7,3.7,4.3,6.7,8.4,8.7,7.6,7.7,7.3,5.2,6.3
1956,5.6,2.7,4.1,5.4,7.9,8.9,9.5,9.6,9.5,7,3.1,2.4
1957,2.4,6.7,6.4,6.5,9,10,10,9.5,10.9,9.5,5.6,4.5
1958,4.5,8.1,5.2,7.2,10.1,11.4,11.8,11.5,11.4,8.9,6.4,6
1959,6.6,5.5,6.6,7.3,8.2,9.5,10.3,10.6,10.4,9.6,5.2,3.9
1960,4.5,5,6.7,6.1,7.9,9.9,9.7,9.1,8.8,8.1,5.9,4
1961,4,6.2,5.8,6.1,8,10,9.8,10.8,9.2,7.9,4.7,3.4
1962,2.1,5.2,4.6,6,7.4,8.1,8.7,9.9,8.9,8.5,6.4,4.8
1963,2,7.9,4.7,5.9,8.2,8,9.9,9.8,11,9.6,6,2.7
1964,3.2,2.8,4.1,4.8,6.8,9.6,10.4,10.5,9.4,8.3,5.2,6.2
1965,4.4,4,5.4,6.4,6.2,8.5,9.2,10.7,8.6,8.5,7.1,2.1
1966,3.1,3.6,4.7,6.6,7.3,9.1,9.4,9.1,9.8,7.5,6.5,4.6
1967,4.1,4.3,5.2,4.5,7.9,9.3,9.8,9.7,11.6,8.8,7.4,2.6
1968,2.4,7.5,5.9,5.1,7,8.8,9.4,11,10,7.4,6.3,3.4
1969,3.7,4.5,4.4,5.7,8.7,10.7,9.6,9,10,8.5,5.7,6.8
1970,6.8,6.3,6.5,5.1,8.3,9.7,10,9.3,9.1,7.4,7.2,4.5
1971,4,4.1,4.9,5.1,7.7,9,9.5,11,10.5,5.9,4.7,2.5
1972,2.3,5.7,6.4,5.7,7.3,9,11.3,10.9,9.5,9.5,6,2
1973,3.9,6.2,4.9,6.2,8,9.7,9.7,9.1,10.1,7.9,6.9,5.2
1974,4.3,3.5,6.1,5.7,7,9.1,10.7,10.4,9.6,8.3,5.2,3.9
1975,2.5,5,4.9,3.9,6.5,7.2,9.8,9.5,9,7.4,4.1,3.5
1976,3,4.3,4,4.8,7.4,9.4,10.5,11.3,10.7,8.4,7.1,2.2
1977,3.2,5.6,4.2,5.8,7.4,9.6,9.7,11.3,10.4,8.6,5.8,6.5
1978,6.8,6.5,8.4,6.3,8.2,9.5,9.7,9.9,10.4,8.1,4.5,1.8
1979,3.6,4.4,6.5,6.7,8.7,8.8,10.6,10.8,11.2,10,5.7,4.4
1980,5.3,7,4.8,6,7.3,8.8,10.1,9.4,9.5,7.6,5.6,4.4
1981,6.2,6.3,6,6,7.9,9.8,9,9.9,11.2,7.4,8.2,8
1982,2.6,5.6,4.9,5.7,6.9,9.5,9.7,9.9,10.1,8.1,4.9,4.8
1983,4.4,7.4,7,6.4,8.3,9.6,10.9,12,11.9,9.8,7,7.5
1984,5.1,4.7,6.9,5.9,8.6,8.8,10.7,10.3,11.9,7.8,6.4,4.4
1985,3.2,4.7,4.4,7.2,8,10.2,10.7,10.7,10.3,8.4,4.8,3.4
1986,7.4,8,7.6,6.4,7.8,10.3,9.7,9.8,10.1,8.9,6.4,4.9
1987,4.5,5.8,6.3,7.1,9.6,10.1,11.1,11.2,10.7,10.4,7.7,5.7
1988,5.2,5.3,6.1,7.2,8.4,9.8,11.1,11.1,9.1,9.1,7.6,4.1
1989,3.3,3.2,7,8.1,8.3,10.4,9.5,10.3,9.2,8.2,6.2,4
1990,4.4,3.8,5.6,7.8,8.8,10.1,11.5,12.4,11.7,8.8,5.9,1.7
1991,4.1,6.5,5.5,6.5,7.5,9,10.9,12,10.2,9.4,7.1,4.5
1992,4.2,7.4,8.2,8.7,10.3,11.5,12.4,10.9,10.7,10.9,6.9,4.7
1993,4.2,6.1,8.3,7.9,9.9,10.6,10.8,12.2,9.9,10.1,6.2,4.7
1994,5.2,4.9,6.8,7.3,9.2,9.2,10.3,10.8,11.1,8.3,4.2,4.4
1995,7.2,7.1,6.2,6.5,8.1,9.5,11.5,10.1,10.4,8.9,7.8,7.4
1996,6.3,7.6,6.7,7.6,8.9,9.1,10.3,9.8,9.8,8.7,7.6,7.6
1997,6.1,6.2,6.2,7.4,11.1,10.4,11.2,13.1,13.1,9.7,8.6,5.1
1998,7.3,6.6,7.1,6.7,7.8,10.7,10.5,10.5,11.1,8.2,6.6,3.1
1999,4.5,4.7,4.7,5.6,7,8.8,10.1,11.3,10.3,8.9,7.9,4.4
2000,6.8,7,6.1,7.9,9.2,10.8,10.7,10.6,11.7,9.3,5.8,5.7
2001,4,5.3,6.9,5.8,9.6,10,11,10.1,9.4,8.8,8.1,6.7
2002,4.5,5.6,5.7,7.3,8.3,10,11.1,11,10.5,9.1,7.8,6.6
2003,7.8,5.4,7.3,6.6,8.7,10.3,10.4,12.6,11.7,9.6,6.6,6.5
2004,5.9,6,7.8,8,9.7,10.4,12,12.7,11.6,9.4,7.1,6.2
2005,5.2,7.5,7.5,7,10.6,10.4,11.4,10.6,9.9,8.9,7.3,6.8
2006,6,5.1,5,7.4,8.8,10.8,11.5,10.8,9.7,8.5,7.4,4.7
2007,2.9,6.1,6.3,6.6,8.2,9.6,11.7,11.3,11.1,8.8,6.5,4.5
2008,4.6,5.1,5.5,5.7,8.3,8.9,10.9,11.2,10.5,9.5,8.4,4.5
2009,4.9,5.7,6.1,6.5,8.9,10.9,10.5,11.3,11.5,9.7,7,4.9
