Year	% of total merchandise exports
1997	0.21661048113662396
1998	0.004019432307900375
1999	0.3500433370590075
2000	0.41683838720914124
2001	0.7084638794777302
2002	0.4490074101334966
2003	0.08739419337057895
2004	0.02032732560352401
2005	0.012212894970731254
2006	0.011360425840437291
2007	1.1542378120032146
2008	0.38348636109370277
2009	0.0033974354589171784
2010	0.002077694909575375
2011	0.051114568452508814
2012	0.004002010424659943
2013	0.0016062285932814315
2014	0.002241095629323406
2015	0.002442427682300948
2016	0.02624986679452114
2017	0.011550931104198582
2018	0.007385411076549187
2019	0.02950027583873222
2020	0.09450238313695673