Year	% of total merchandise exports
2000	0.13190062444422798
2001	0.04951882468361467
2002	0.734046575993203
2003	1.7892189761691415
2004	0.7943402800204135
2005	3.938420476573979
2006	0.7148011337082508
2007	1.4827648548195174
2008	0.07727304614129545
2009	0.4218412017686317
2010	0.44260664901923974
2011	0.8116820717481716
2012	0.29754028392759674
2013	0.3923220672110588
2014	0.32647975761499104
2015	1.7125034846211136
2016	0.7995837803539095
2017	3.0745663451919936
2018	0.9260753045327688
2019	0.1823349292890866
2020	0.03588970216869303