NAT1	NAT2	NAT3	NAT4	NAT5	LNP	ALP1	ALP2	ALP3	ALP4	ALP5	ALP6
1984	53.8						46.2					
1987	51.9						48.1					
1990	50.1	50.2					49.9	49.8				
1993		53.8	54					46.2	46			
1996			60	60.9					40	39.1		
1998				54.4						45.6		
2001				58						42		
2004				60.4	60					39.6	40	
2007					46.8	47.4					53.2	52.6
2010						52.4						47.6