Year	% of total merchandise exports
1982	0.19550342131182796
1988	0.0017096769314237576
1989	0.3505971862929407
1990	0.3313649548980731
1991	0.025827991731357514
1992	2.013739395618782
1993	3.1299550070069717
1994	1.8763821429185579
1995	1.0442253124986947
1996	0.030727265659023128
1997	4.637881007943449
1998	18.271173478599344
1999	1.9002649411543764
2000	1.3455311031739536
2001	1.7842153539582157
2002	2.4807084308068443
2003	0.5376614992069632
2004	13.25649583967464
2005	16.640542400573057
2006	34.79441013628449
2007	21.81964898781597
2008	4.824021884507719
2009	1.177020456876445
2010	0.8229833102816065
2011	1.9888194806916175
2012	4.369683127076229
2013	2.858989852852081
2014	1.4807641299297263
2015	2.855042272020903
2016	14.803799354274943
2017	1.823445038466554
2018	0.3895314744955246
2019	5.910330332503364
2020	3.697072700082503