Year	% of total merchandise exports
1989	2.163182106378629
1990	0.2473705273380479
1991	0.0859094227720233
1992	0.024567235771797258
1993	0.431166106516449
1994	0.04409719450895162
1995	0.15946258894860396
1996	0.012238692646765522
1997	0.02961901356345084
1998	0.05048371877270228
1999	0.054687063150504624
2000	0.4534292476920023
2001	0.3813866625318088
2002	3.0414910900670367
2003	3.2230713753527027
2004	0.17894691164573764
2005	0.06020101274877608
2006	0.17562082048907499
2007	0.23701525028064496
2008	0.17312757185847416
2009	0.42554978176744085
2010	0.13920853839874098
2011	0.3057329132286046
2012	1.748704496563535
2013	5.2521471834214895
2014	1.1351039734197819
2015	17.17644468492301
2016	11.81520783605466
2017	10.401102885916599
2018	30.676587135426832
2019	21.025001933590666
2020	9.289314860818815