Year	% of total merchandise exports
1997	0.09584405275542457
1998	0.5869391916726819
1999	0.13466448357636424
2000	0.1155608694258813
2001	0.6101908648189286
2002	1.6211613700745353
2003	1.4711225170410516
2004	1.4779964773716407
2005	2.315251136184832
2006	1.8939702835919745
2007	1.6356780776436268
2008	0.6750116060588167
2009	2.984526969302986
2010	1.3001484739608358
2011	0.8912087663390871
2012	1.506502152620655
2013	0.8899601634103271
2014	0.8840496214565579
2015	1.5102329070762341
2016	0.763035463389119
2017	0.6660083998396075
2018	0.45717326872526876
2019	0.6334315982377244
2020	0.48716640663813177