LIB1	LIB2	LIB3	LIB4	LIB5	ALP1	ALP2	ALP3	ALP4	ALP5
1984	38.3					61.7				
1987	43.7					56.3				
1990	41.7	49.2				58.3	50.8			
1993		46.8					53.2			
1996		53.9					46.1			
1998		51.1	47.5				48.9	52.5		
2001			51.1					48.9		
2004			49.2	50.8				50.8	49.2	
2007				43.1	40.1				56.9	59.9
2010					45.6					54.4