1901,11.2,12.4,9.4,7.8,3.7,2.6,0.9,2.8,3.2,5.8,8.5,11.1
1902,10.4,12.6,11.5,6.3,5.6,1.9,1,1.5,3,6.2,7,11.5
1903,11.2,11.7,9.7,6.1,3,1.2,0.3,1.1,3.8,5.2,7.3,11
1904,11.6,12.6,10,6.4,3.7,2,1.7,1.6,3,5.1,7.6,10
1905,11.9,12,10.9,7.6,3.1,1.3,2.6,0.5,3.6,5.4,7.9,10.9
1906,11.5,12.6,10.6,6.4,3.8,2.6,-0.7,1.2,2.6,4.9,8.9,10.4
1907,11.5,12.1,10.6,6.7,2.4,1.6,1.1,1.9,3.5,5,7.3,10.3
1908,10.9,11.7,10,6.3,4.6,1.5,1,1.3,3.1,5.4,7.8,11.5
1909,12.3,12.5,9.6,7.7,4,3,1.7,2.2,4.3,4.8,9.2,9.5
1910,12.2,12.5,10.4,7.3,4.3,2,1.8,1,3.5,5.6,7.4,11.8
1911,12,13.6,10.9,7.2,4.4,2.1,0.3,1.3,3.3,6.5,8.7,11.1
1912,12,11.8,11.1,7.6,3.8,3.9,1,1.8,2.4,6.5,8.2,11.9
1913,13.4,13.1,11.3,6.5,4.6,3,0.1,2.6,2.9,5.4,9.1,10.3
1914,12,12.6,10.6,6.8,4.7,1.7,1.6,1.1,3.6,7,8.3,10.3
1915,13.7,13.7,11.5,5.9,4.3,2.4,-0.7,2,3.2,5.7,8.9,11.7
1916,12.2,12.9,10.1,7.9,2.9,1.1,0.9,1.7,3.4,6.1,9.2,11.9
1917,12.4,13.8,10.4,7.4,3,1.6,1.1,0.8,3.3,6,8,11.5
1918,12.1,13.2,10.1,7.8,3.9,2.1,0.8,2.4,4.1,6.2,8.5,11.3
1919,11.9,13.2,12,8.3,4.9,2.8,0.3,2.3,2.3,6.3,8.7,11.6
1920,13.6,12.7,10.4,8.6,4.2,1.6,1.6,2.5,3,5.3,9.8,11.2
1921,11.2,13.6,11.4,7.1,5,2.2,-0.3,0.6,2.8,5.1,9.1,11.1
1922,11.5,12.5,11,7.7,4.1,1.5,1.5,0.8,3.8,6,8.5,11.6
1923,12,12.5,11.2,6.9,3.2,1.9,0.8,2.3,3.4,7.1,9.3,11.9
1924,12.8,12.8,9.3,7.8,2.9,1.7,1,1.4,3.6,5.3,7.7,12.5
1925,11.8,13.9,11.4,7.7,4.3,1.4,1.2,2.7,4.2,5.9,8.4,11
1926,13.2,12.3,10.8,7.6,4.3,2.2,-0.2,1.7,2.8,5.3,8.2,11.2
1927,13.2,13.2,11.2,8.2,3.6,3.3,1.8,2.7,4.3,6.8,10.2,11.4
1928,12.5,12.7,10.6,7.6,5.1,1.7,2.2,2.4,2.8,5.9,8.4,11.4
1929,13.2,12.3,10.7,6.9,4.1,3,0.6,2.7,3.8,6.3,8.8,11.7
1930,12.1,12.4,11.2,7,5.9,2.8,2,2.1,2.9,6.7,9.6,11.9
1931,14,13.5,12.4,6.3,4.2,1.9,0.8,2.3,3.6,5.7,10.6,11.5
1932,11.5,13.6,11.2,9.8,6.1,2.7,0.9,2.9,3.5,6.5,10.4,11.4
1933,12.5,12.8,10.2,8.7,4.2,1.3,0.8,1.4,4.1,6.8,9.7,12.9
1934,12.6,13.5,10.6,9.2,5.4,4.7,0.8,2.1,4.5,6.6,10,12
1935,13,13.5,9.7,7.7,3.8,2.3,0.9,2.6,2.8,6.5,8.8,11.1
1936,10.6,11.2,11.7,8.1,2.9,3.7,2.4,3.2,4.4,5.8,9.1,11.2
1937,12.6,13.7,11.1,7.7,4.2,2.5,1.1,3.3,3.8,6.7,9.7,12.1
1938,12.2,12.2,11.2,7.5,4.6,3.9,2.3,1.7,3.7,5.8,8.4,11.1
1939,12.8,12.5,10.9,6.9,5.3,4.1,2.1,2.2,4.3,7,9.7,12.2
1940,12.3,13.4,9.2,6.1,2.9,1.7,0.9,2.5,3.1,6.4,8.7,10.6
1941,12.9,11.9,10.1,6.3,3.9,2.7,1.4,3.8,3.2,5.7,8.5,11.1
1942,12.8,12.9,10.8,8.8,4.7,2.5,1.1,1.3,3.3,7,10,11.4
1943,11.2,10.7,11.3,7.2,3.5,2.1,0.4,1.7,4.1,5.8,9.4,12.1
1944,12.7,13.5,11,8,3.4,2.1,1.3,1.7,4,6.8,9,10.3
1945,12,13.8,11.6,9,4.7,2.8,1.5,1.7,5.2,6,9.9,9.9
1946,11.8,12.7,10.4,8.2,5.4,1.7,1,2.5,3.9,5.9,8.8,10.9
1947,12,14.3,12.1,6.7,4.7,1.3,0.7,1,4,6.1,9.5,11.4
1948,12.5,12.9,10.8,8.1,5.2,1.1,0.6,1.2,2.1,5.9,8.5,10.9
1949,12.9,12.6,11.4,6.5,5.2,3.1,1.4,2.8,4.4,5.9,8.5,12.2
1950,12.6,12.7,11.6,7.1,4.9,2.7,1,3,3.7,6.2,8.7,10.3
1951,10.8,12.7,10.2,8.4,5.6,3.4,0.8,2,2.6,6.1,8,10.8
1952,12.9,13.6,10.2,8.2,3.9,1.8,0.8,2.6,3.8,7.6,10.3,11.1
1953,13.5,13.4,11.1,6.4,5.4,2.4,1.4,2.1,4.3,6.8,9.6,11.4
1954,12.1,12.4,11.9,7.2,5.1,3,0.2,2.4,4.1,5.6,8.4,11.3
1955,13.2,12,11.9,6.5,5.8,3.4,2.4,1.8,3,4.8,7.9,9.9
1956,13.5,11.6,10.7,6,3.1,1.7,1.6,0.7,3.3,5.5,10.1,11.2
1957,13.1,12.3,11.1,6.1,4.2,2.4,1.5,1.9,3.8,4.6,8,12.4
1958,13,11.2,10.5,7.1,3.8,1.3,1.3,2,3.7,5.8,8.2,13
1959,11.7,13.6,10.6,6.8,3.8,2.8,1.4,2.7,3.9,5.8,10,12
1960,13,12.7,11.1,6.9,4.2,3,1.5,2.4,4.9,6.7,10.9,12.7
1961,13.1,12.7,12.3,8.8,4,3.8,2.4,3.1,4.6,4.5,10.3,10.9
1962,12.5,12.2,11,6.7,3.4,4.4,1.8,2.8,3.8,6.8,9.2,12.5
1963,15.1,13.3,11.3,7.5,4.9,3.8,1.9,3.2,6.1,8.6,11.4,12.7
1964,13.8,12.8,12,7.1,5.5,2.6,1.9,1.8,4.1,7.1,8.9,12.3
1965,13,12.4,11.3,8.7,4.5,0.6,2.5,2.3,4.7,6.9,8.7,9.8
1966,13.4,11.4,11.1,9.1,5.2,3,1.5,3.2,4.2,7.1,9.6,12.4
1967,12.2,13.8,11.3,8.3,5.4,3.1,0.5,1.7,4.2,6.3,10.1,12.4
1968,11.6,10.6,11.7,7.3,5.7,2.2,1,1.7,3.5,5.9,9.6,11.3
1969,12.2,13.1,12.3,6.6,3.8,1.8,0.4,3.2,3.2,7,8.5,11.8
1970,13.2,12.8,10.8,7.7,5,3,0.2,2,3,7.6,8,10
1971,12.4,14,11.4,8.1,4.6,3.1,2.3,2.4,2,5.5,8.7,11.8
1972,13.3,12.8,11.3,7.6,5,2.9,1.3,1.7,4.8,7.2,10.8,10.8
1973,12.4,13.6,11.6,9.2,4.7,3.4,3.2,2.5,2.6,6.9,10.4,12.2
1974,13.6,14.8,11.9,9.2,5.1,4.2,1.1,2.9,3.6,5.3,9.8,11.9
1975,12.7,14,11.4,7.8,4.8,3.4,2.1,1.5,6.1,5.1,8.7,11.8
1976,14.2,13.8,11.3,8.2,6.2,3.6,1.6,1.7,5.4,7.4,7.4,11.3
1977,12.1,14.7,11.2,9.7,4.3,3.6,0.6,3.3,5,7.1,10.7,13.3
1978,14.1,12.7,11.8,7.7,3.3,1.5,1.2,2,2.5,4.9,10.2,12.6
1979,12.6,13.1,10.3,7.8,5,3.5,2.1,3.5,3.8,6.1,9.6,12.5
1980,12.8,12.8,12.2,7.3,3.3,2.3,1.1,3.3,4.5,6.1,8.9,12.1
1981,12.1,14,10.2,8.2,5.6,1,0.3,2,3.8,6.6,9.6,12.8
1982,13.2,12.9,12.3,8,6,3.5,2.1,2.8,7.4,7.8,9.1,10.3
1983,12.8,11.6,10.8,8.6,5.1,3,2.5,1.5,4.4,7.3,10.4,13.2
1984,13,13.3,11.6,7.8,5.4,3.5,2.1,2.1,5,7,10.4,11.2
1985,13.9,14.2,10.3,8.2,4.5,3.5,2.4,3.4,4.4,8.9,12.8,12.5
1986,13.3,12.5,10.1,8,5.7,4.3,2.3,4.1,5.6,7.2,8.8,12.6
1987,11.7,12.5,12,8,6.6,3.3,2.5,3,5.7,7.5,9,12
1988,12.7,13.9,11.7,8.1,5.9,2.7,1.3,4,4.6,6,10,12.4
1989,14,13.8,11.7,9.3,4.6,3.1,1.5,3.7,4.4,5.8,10.2,12.3
1990,13.1,13.8,10.8,8.1,4.8,2,1.6,2.5,4.7,5.9,8.1,12.4
1991,13,13,11.4,8.6,4.8,3.1,2.6,1.3,4.4,8.6,9.3,11.6
1992,13.7,13.1,11.8,7.5,3.6,3,1.8,3.1,3.6,6.9,9.6,11.2
1993,13.4,12.1,12.3,7.5,4.8,2.5,4.2,3.2,4.9,7.5,10.4,13
1994,13.9,14.5,12.2,9.1,3.6,3.8,1.1,2.9,4.8,6.8,9,12.3
1995,13.3,14.6,12.3,7.3,6.5,2.9,0.7,2.1,4.8,6.3,9.9,13.8
1996,14.7,13.8,9.7,7.8,5.1,3,2.2,1.7,3.8,6.9,8.6,11.8
1997,13.3,12.4,10.8,7,4.6,3.3,2.6,3.4,5.7,8.8,9.4,12
1998,12.8,15.4,11.2,7.9,5,1.7,1.5,3,3.8,6.9,9.2,13.2
1999,14.3,14.5,12.7,9.3,5.6,3.5,2.7,2.7,3.3,8.6,9.9,15.5
2000,13.5,14.3,12.9,7.2,3.2,2,1,2.6,3.4,6.3,9.3,10.9
2001,12,12.4,10.8,8.4,4.6,1.5,2.1,3.4,4.1,8.2,11,12.5
2002,11.9,13,11.3,7.2,3.8,2.1,1.6,2.6,5.5,5.8,7.5,13
2003,13.1,13.7,11.3,9.7,5.4,2.3,1,1.1,4.2,7.2,9.9,10.8
2004,10.7,14.6,10,8.7,6.3,3.9,0.9,3.4,4.3,7.4,11.4,13.7
2005,14.3,14.3,12.1,8.5,5.8,2.1,2.5,1.6,4.4,5.9,9.8,11
2006,14.5,15.1,10.8,9,4.8,3.7,2.8,3.3,5.9,7.7,10.5,11.9
2007,14,13.5,11.6,8.6,5.4,3.6,2,3,4.3,7.8,9.2,13.3
2008,15,14.5,12.5,8,6.4,4.1,2.1,2.9,3,7.1,10.5,12.9
2009,13,14.7,12.2,10.1,5.6,4.6,3.2,2.7,4.1,8,10.1,11.5
