Year	% of total merchandise exports
2000	11.327119218364842
2001	9.712234635146048
2002	12.523983071037891
2003	10.379805458430658
2004	13.433173200989208
2005	13.61861235974142
2006	12.99969223125306
2007	17.991620425158374
2008	25.502914757948663
2009	21.990626458009142
2010	18.457632721472724
2011	19.091022816993124
2012	18.48218606223905
2013	29.659132772484085
2014	25.377937586911553
2015	29.124993781725582
2016	26.448775645317863
2017	14.311090234486858
2018	13.61757626673156
2019	13.673053359723758
2020	17.498040547358713