LIB1	LIB2	LIB3	LIB4	LIB5	LIB6	ALP1	ALP2	ALP3	ALP4	ALP5	ALP6
1984	44.3						55.7					
1987	41.8						58.2					
1990	42.3	43.3					57.7	56.7				
1993		43.8						56.2				
1996		50.7	50.4					49.3	49.6			
1998			46.9						53.1			
2001			45.2	45.4					54.8	54.6		
2004				44.7	44.6					55.3	55.4	
2007					41.4	42					58.6	58
2010						46.8						53.2