LIB1	LIB2	LIB3	LIB4	ALP1	ALP2	ALP3	ALP4	ALP5	GRN1
1984	30.0				70.0					
1987	30.6	30.6			69.4	69.4				
1990		32.5				67.5				
1993		26.3	26.3			73.7	73.7			
1996			29.8				70.2			
1998			28.2				71.8			
2001			29.9	30.1			70.1	69.9		
2004				28.9				71.1	71.1	28.9
2007				27.7				72.3	54.7	45.3
2010				26.7				73.3	44.0	56.0