LIB1	LIB2	LIB3	LIB4	LIB5	ALP1	ALP2	ALP3	ALP4	ALP5
1984	47.5					52.5				
1987	46.4	45.1				53.6	54.9			
1990		49.8					50.2			
1993		51.5					48.5			
1996		55.2	53.2				44.8	46.8		
1998			49.0	47.8				51.0	52.2	
2001				48.4					51.6	
2004				52.0	52.0				48.0	48.0
2007					51.3					48.7
2010					55.6					44.4