Year	% of merchandise imports
1966	3.851796582060744
1968	4.250622563955796
1969	4.498907170883971
1970	4.745218460398581
1971	4.803282217607031
1972	4.022963093559536
1973	2.6602873393440536
1974	3.6789383778545894
1975	4.581200259659137
1976	4.571695317335266
1977	4.79644534872289
1997	5.837903851704088
1998	4.630946744359662
1999	6.071750732719949
2000	7.09948528026074
2001	6.758023886955196
2002	6.18520634448472
2003	8.058032492992055
2004	9.874354329865533
2005	13.255751146761675
2006	14.032834271206449
2007	16.560774124528272
2008	23.45117578519541
2009	11.55232470609529
2010	12.044129715419293
2011	14.070218058468438
2013	14.489970911085909
2014	15.262486650113503
2015	11.755303415814687
2016	10.15585643721029
2017	10.758091073421022
2018	14.92285511767539
2019	14.414646348571722