Year	% of total merchandise exports
2000	98.43304237463661
2001	95.13245022869623
2002	84.22214369166137
2003	80.21599996791426
2004	68.92633858870887
2005	65.71926667222299
2006	68.7264136227176
2007	81.09629922381862
2008	59.64623920763364
2009	64.41924333536998
2010	56.86890001831901
2011	57.385964594560065
2012	45.32765290843524
2013	59.236446362261276
2014	38.63972343475638
2015	48.855890391836176
2016	35.4592135784966
2017	37.513600287900836
2018	40.807170094825416
2019	38.574865203128056
2020	44.39500683351027