ALP1	ALP2	ALP3	ALP4	ALP5	ALP6	ALP7	LIB1	LIB2	LIB3	LIB4	LIB5	LIB6	LIB7
1984	54.3							45.7						
1987	56.4							43.6						
1990	55.5	55.8						44.5	44.2					
1993		56	56.2						44	43.8				
1996			50.4	50.7						49.6	49.3			
1998				54.6							45.4			
2001				53.1	51						46.9	49		
2004					53.9	54						46.1	46	
2007						56.8	54.6						43.2	45.4
2010							48.9							51.1