Year	% of total merchandise exports
1969	0.005669416333588457
1973	0.0004453450310628159
1975	0.002020089792991298
1989	0.01016268105292248
1995	0.014343498092314754
1996	0.18754257304871683
2001	2.727951452443902E-05
2004	0.0003818314686832274
2005	0.00018354501712680666
2008	0.005249530034762793
2009	1.9541485015025888
2010	0.9933322986861115
2011	0.9099851024612762
2012	2.5873486141319004
2013	0.8532732296980228
2014	1.3324650726057037
2015	2.236911148271293
2016	2.398223548463716
2017	1.3042375923342377
2018	1.1774794579878634
2019	0.9204714584372495
2020	1.3850875431620395