LIB1	LIB2	LIB3	LIB4	LIB5	ALP1	ALP2	ALP3	ALP4	ALP5
1984	51.4					48.6				
1987	55.8					44.2				
1990	53.6	51.8				46.4	48.2			
1993		49.9					50.1			
1996		56.4					43.6			
1998		54.1	55.8				45.9	44.2		
2001			58.7					41.3		
2004			58.9	49.5				41.1	50.5	
2007				43	49.7				57	50.3
2010					51.3					48.7