Year	LIB	LIB	LIB	LIB	ALP	ALP	ALP	ALP
1984	53.4				46.6			
1987	54.6	55.7			45.4	44.3		
1990		60.8				39.2		
1993		57	56			43	44	
1996			57.7				42.3	
1998			54.5				45.5	
2001			55.7	55.4			44.3	44.6
2004				55.3				44.7
2007				49.2				50.9
2010				49.6				50.4