Year	% of merchandise imports
1971	18.86759882356638
1972	20.158956788308885
1973	23.21389459929361
1974	27.16194928878902
1975	21.760049500480605
1976	23.021467985346355
1981	19.60548268389795
1982	19.662116801764366
1983	18.384803413198195
1984	19.689460079213347
1985	18.667663030494012
1986	19.46099815350612
1987	17.569226213097842
1998	18.922917089393145
2000	18.302821454191605
2001	15.348955489836365
2002	16.447024485721006
2003	16.486265391219277
2004	16.671437535442884
2011	11.558988054125722
2012	11.031039609704354
2019	16.426789172019205
2020	19.768866450684737
2021	19.22876753775843