Year	% of total merchandise exports
1988	0.17112054334156335
1989	0.24379333793622102
1990	1.1322054596312587
1991	1.4987639061500453
1992	1.6350175332910561
1993	2.3263004049497713
1994	3.561515701655881
1995	7.549902461728351
1996	2.587787113974592
1997	5.451752801858524
1998	9.257310237306072
1999	24.604339677122113
2000	36.08841289144584
2001	11.075379872620768
2002	24.105018557987353
2003	15.714468792080888
2004	8.116399531588298
2005	12.060334999472655
2006	9.468751857671888
2007	13.910886847744692
2008	12.960498347262925
2009	9.063044190724277
2010	5.938749613466084
2011	10.679901602602945
2012	11.295156808508297
2013	15.208309114908674
2014	13.56630246457223
2015	23.210394556562687
2016	25.550438007669822
2017	23.081976521815005
2018	41.32937963608223
2019	41.30379979368981
2020	33.05790259277155