Year	% of merchandise imports
1970	1.3831577066769063
1971	1.49799593382957
1972	4.007332722273143
1973	1.876001311722763
1974	2.2182038849478602
1975	1.657929123915864
1980	1.925835009064058
1981	2.158033269673891
1982	2.8491209458555806
1983	0.7041750431895225
1984	0.5384006574042531
1993	0.7444369523441986
2000	0.9649244842083956
2006	0.8909949170474246
2007	0.8230499210355374
2009	0.9386981090518048
2010	1.3438894843119618
2011	1.2548943246406294