NAT1	LIB1	LIB2	LIB3	LIB4	LIB5	ALP1	ALP2	ALP3	ALP4	ALP5
1984	37						63				
1987	35.1	35.1					64.9				
1990		38	39.1				62	60.9			
1993			37.4	35.3				62.6	64.7		
1996				54.7	49.7				45.3	50.3	
1998					41.8					58.2	
2001					41.9	42				58.1	58
2004		42.9				40.3	57.1				59.7
2007		35.9	38.7				64.1	61.3			
2010			44.2					55.8