Year	% of merchandise imports
1963	3.3145609925681434
1972	3.1584630801486573
1973	2.412877509404075
1974	3.651057809798551
1975	2.8402438487822783
1976	2.4955921755723987
2000	0.13979548825588226
2001	0.24149492481203008
2002	0.23368669654680657
2007	0.08990109831999486
2008	0.4131216227336705
2014	0.13657366238533006