Year	% of merchandise exports
1975	26.262607996582332
2001	3.7713458112715514
2002	5.178558418481162
2003	4.985725076137154
2004	4.770814966277884
2005	4.360649985504259
2006	4.171143521153761
2007	5.29874178480506
2008	5.2816149768332386
2009	5.734031736766058
2010	6.547042267141704
2011	7.259521941097711
2012	6.314491390923535
2013	6.197036466713927
2014	23.459190743793474
2015	80.63964397149927
2018	96.57345786484859
2019	99.28514828214715