Year	% of total merchandise exports
2000	2.1418090333080575E-05
2004	0.00019622898781350464
2005	1.5585108192047847
2006	0.025836188757298643
2007	0.0009669277619652312
2009	0.0008949556505700138
2010	0.14543468682955926
2011	0.04824780277813562
2012	0.04885948072948486
2013	0.3006822109627909
2014	0.10801863058772086
2015	3.5024557236287785
2016	4.079847224938445
2017	4.255793438466086
2018	2.008151076075671
2019	1.8110926903673985
2020	5.433082123602121