LIB1	LIB2	LIB3	LIB4	LIB5	ALP1	ALP2	ALP3	ALP4	ALP5
1984	37.7					62.3				
1987	41.1					58.9				
1990	37.3	47.4				62.7	52.6			
1993		48.7					51.3			
1996		60.7					39.3			
1998		55.6	48.3				44.4	51.7		
2001			57					43		
2004			59.5	61.2				40.5	38.8	
2007				50.7	49.5				49.3	50.5
2010					53					47