LIB1	LIB2	LIB3	LIB4	LIB5	ALP1	ALP2	ALP3	ALP4	ALP5
1984	50.6					49.4				
1987	48.6					51.4				
1990	47.7	47.1				52.3	52.9			
1993		47.9					52.1			
1996		57.7	57.3				42.3	42.7		
1998			50.8					49.2		
2001			53.4	53.5				46.6	46.5	
2004				57.9	57.4				42.1	42.6
2007	49.2				47.9	50.8				52.1
2010	47.5					52.5