Year	% of total merchandise exports
1992	0.8727191239008778
1993	0.9882627761623812
1994	1.0924290784978796
1995	0.5075703469806084
1996	1.7378369331849262
1997	1.0092436268616347
1998	1.0963700006618435
1999	0.9897128775458222
2000	1.5370980455002539
2001	1.859408324292776
2002	1.7426550123334228
2003	1.0407503322210285
2004	0.44454550818454724
2005	0.504331559312412
2006	1.1944579360788337
2007	1.247451197724107
2008	1.7325747537197838
2009	4.669458700155406
2010	3.3544487364880067
2011	1.6302476341343681
2012	3.3369149168385475
2013	2.0982022162968192
2014	1.4103404314692882
2015	3.7524023204174064
2016	2.8799804508992417
2017	2.512447610506178
2018	2.193220631270577
2019	1.9344923067020126
2020	2.532612209585326