Year	% of total merchandise exports
2000	95.62463463288515
2001	95.0067402129357
2002	95.01776721855532
2003	78.0451908319588
2004	99.59978334763018
2005	71.12833890739348
2006	93.86859647288274
2007	91.71394611598683
2008	78.50407224776997
2009	72.20931738226216
2010	89.8327811635661
2011	51.55610993808531
2012	24.824108858537127
2013	26.04868847469131
2014	14.831385481149727
2015	39.42605358065195
2016	14.83148077497099
2017	6.697948867394665
2018	5.7516244010460085
2019	3.031878927449238
2020	0.8462310668350166