Year	% of total merchandise exports
1983	0.04513090154416036
1984	0.01572633463090882
1987	0.018471733093174857
1988	0.09742166836639155
1989	0.08905044426819116
1990	0.008959142611835636
1991	0.24149672590011548
1992	0.10047296740134444
1993	3.8564827769266232
1994	1.75880527838106
1995	0.05929465989024269
1996	0.15150625185053476
2000	0.009932871277363226
2001	0.0030229546759606525
2002	1.6313923242019635
2003	0.05271933367018765
2004	0.03357196105299348
2005	0.3033529345506842
2006	2.094342093634848
2007	0.15795853865679013
2008	1.0369170789835864
2009	0.8404352866795566
2010	1.7548628932524715
2011	0.9541616658873471
2012	0.9276476952052092
2013	2.6520657054794095
2014	2.0616165026861206
2015	2.6107782349295134
2016	5.830330832647779
2017	13.205423398481738
2018	19.34038573511688
2019	17.33240578035019
2020	12.835806647262713