LIB1	LIB2	LIB3	LIB4	LIB5	ALP1	ALP2	ALP3	ALP4	ALP5
1984	43.5					56.5				
1987	44.9					55.1				
1990	43.4	44				56.6	56			
1993		43.6					56.4			
1996		54.9					45.1			
1998		55.5	56.4				44.5	43.6		
2001			60.4					39.6		
2004			61	58.6				39	41.4	
2007				52.2	50.5				47.8	49.5
2010					55.2					44.8