Year	% of total merchandise exports
2006	68.65893885433938
2007	71.07157993025709
2008	64.07622397977917
2009	54.633640013273
2010	58.52921233424851
2011	64.21504112164091
2012	53.790088024495745
2013	43.09864514065615
2014	36.73053824883664
2015	38.834498868692165
2016	41.53468093168735
2017	44.816422846838
2018	46.70212671901485
2019	40.900692792706685
2020	42.132884825289686