Year	% of total merchandise exports
2000	16.671669092371204
2001	24.281821540735262
2002	10.690621163559063
2003	15.69782306917826
2004	22.34647378437743
2005	19.5286258117489
2006	32.45306594196108
2007	75.9364682976382
2008	55.58485757010998
2009	44.85979004255361
2010	11.050927453474747
2011	18.073637396037874
2012	44.34450510147317
2013	28.13216042738559
2014	83.80126906823887
2015	12.668837307005568
2016	64.15101597123505
2017	50.54132616767134
2018	29.237802369962235
2019	80.70400539696388
2020	8.966028073180617