Year	% of total merchandise exports
2000	2.227387018140566
2001	2.0046158589848124
2002	2.11367168370867
2003	2.810772814889752
2004	9.07705797573909
2005	5.586634269283363
2006	8.502258620159617
2007	18.751951203416876
2008	15.142375392371868
2009	5.533609622534592
2010	15.903259155400578
2011	3.813288316306424
2012	0.989560782253199
2013	47.74987990091924
2014	58.46800972867873
2015	45.24399069589744
2016	60.519069820990325
2017	66.9264904028316
2018	85.94812060461106
2019	63.51431337697642
2020	82.76078262578216