ALP1	ALP2	ALP3	ALP4	ALP5	ALP6	ALP7	NAT1	NAT2	NAT3	NAT4	NAT5	NAT6	LNP
1984	54.2							45.8						
1987	57							43						
1990	57.3	57.4						42.7	42.6					
1993		52.7	52.8						47.3	47.2				
1996			46.4	46.5						53.6	53.5			
1998				55.3							44.7			
2001				56.9	55.5						43.1	44.5		
2004					55.1	54						44.9	46	
2007						62.7	62.1						37.3	37.9
2010							53.7							46.3