Year	% of total merchandise exports
1983	0.0650474374504291
1984	0.049296726702417665
1988	0.029562354769222306
1989	0.08750395982478162
1990	0.06944433187399732
1992	0.03429632167804403
1993	0.5470743936319623
1994	0.4652785505202564
1995	0.8595180256578849
1996	1.7551143977480592
1997	0.5316358526866506
1998	0.030881305875659383
1999	2.601029983969525
2000	6.769957849845422E-05
2001	1.1606866867560501
2002	1.6349706592739206
2003	3.216563941708963
2004	6.565723243019317
2005	2.9146019355006705
2006	1.0637602064249596
2007	3.148803914963437
2008	2.4043224039183113
2009	3.118353720420955
2010	1.8839107808439182
2011	0.9168778837950751
2012	3.042597695999108
2013	6.77255803184556
2014	6.842619026758484
2015	7.640353513563721
2016	5.478574354786452
2017	8.793661046439839
2018	11.667199191028011
2019	10.469821094752435
2020	4.703924853070142