Year	% of merchandise imports
1963	21.75443214005596
1964	18.08991570626676
1972	22.326157264624225
1973	28.502980259031276
1974	25.59231168255599
1975	20.192074876851247
1976	21.975792716306255
1983	27.574381842200047
1984	20.729276072111723
2000	32.72059149515775
2002	22.529513399096032
2014	10.965671655376546
2015	20.71884158591128
2016	28.481238660400926
2017	32.56751004051418
2018	32.286803384624626