Year	% of merchandise imports
1963	12.421443676277551
1964	10.242109263768215
1972	7.457584053671501
1973	5.921116623945358
1974	11.495829457230487
1975	13.663460562761909
1976	14.235557651758214
1983	34.72278256469581
1984	19.737801178294667
2000	28.389426333365574
2002	39.70823647841377
2014	38.28578373101766
2015	27.180155583026465
2016	6.140049847160336
2017	0.5785506882757032
2018	1.1246626563556643