NAT1	LIB1	LIB2	LIB3	LIB4	LIB5	ALP1	ALP2	ALP3	ALP4	ALP5
1984	49.4						50.6				
1987	45.3	45.3					54.7				
1990		44.5	46.8				55.5	53.2			
1993			47.3	60.3				52.7	39.7		
1996				48.6	50.4				51.4	49.6	
1998					41.3					58.7	
2001					43.3	47.6				56.7	52.4
2004		47.0				46.8	53.0				53.2
2007		38.3					61.7				
2010		44.6					55.4