1960	1970	1980	1990	2000	2010
1.967 /1.968	1.970 /1.971	1.980 /1.981	1.990 /1.991	2.000 /2.001	2010/2011
1.968 /1.969	1.971 /1.972	1.981 /1.982	1.991 /1.992	2.001 /2.002	2011/2012
1.969 /1.970	1.972 /1.973	1.982 /1.983	1.992 /1.993	2.002 /2.003	2012/2013
	1.973 /1.974	1.983 /1.984	1.993 /1.994	2.003 /2.004
	1.974 /1.975	1.984 /1.985	1.994 /1.995	2.004 /2.005
	1.975 /1.976	1.985 /1.986	1.995 /1.996	2005/2006
	1.976 /1.977	1.986 /1.987	1.996 /1.997	2006/2007
	1.977 /1.978	1.987 /1.988	1.997 /1.998	2007/2008
	1.978 /1.979	1.988 /1.989	1.998 /1.999	2008/2009
	1.979 /1.980	1.989 /1.990	1.999 /2.000	2009/2010