LIB1	LIB2	LIB3	ALP1	ALP2	ALP3
1990	50			50		
1993	46.7			53.3		
1996	50.4			49.6		
1998	48.8	51.3		51.2	48.7	
2001		51.4			48.6	
2004		57.0	56.3		43.0	43.7
2007	50.6		51.5	49.4		48.5
2010	55.3			44.7