Year	% of total merchandise exports
1990	3.033098443667116
1991	9.318508685440365
1992	18.283537699494218
1993	17.31280056841536
1994	19.440632090188647
1995	11.80631138157216
1996	3.7864210618064766
1997	3.429580297963511
1998	11.018324891501036
1999	6.721556546380761
2000	4.903844484345726
2001	5.972785969811931
2002	10.82651594665622
2003	12.48364385817292
2004	8.19362345066419
2005	10.076535974373826
2006	9.270814778241226
2007	12.50935231772019
2008	14.018270526388957
2009	12.021001856514394
2010	11.879400149332431
2011	11.310210148236864
2012	6.973616304271343
2013	17.26375002384631
2014	35.620082782163394
2015	59.2692002814982
2016	19.914762494868054
2017	19.69480070286932
2018	25.652014855812972
2019	60.95552307207759
2020	56.8560589223465