	LIB1	LIB2	LIB3	LIB4	LIB5	ALP1	ALP2	ALP3	ALP4	ALP5
1984	53.3					46.7				
1987	50.7					49.3				
1990	47.7	48.2				52.3	51.8			
1993		48.3	49.8				51.7	50.2		
1996			55.1	56				44.9	44	
1998				50.6					49.4	
2001				54.2	52.6				45.8	47.4
2004	52.8				54.2	47.2				45.8
2007	45.2	44				54.8	56			
2010		48.9					51.1			