Year	% of total merchandise exports
1997	0.5033202588742052
1998	0.5680642607397873
1999	0.39215809687746483
2000	0.6012980275693225
2001	0.6571879530351186
2002	0.6697410252254922
2003	0.7098004506407548
2004	0.6544582143113238
2005	0.6705802418353641
2006	0.9223189081083429
2007	1.0074803844887015
2008	1.1843518423999155
2009	0.8817929531964425
2010	1.2502987280112237
2011	1.3318878551581212
2012	1.357212226215228
2013	1.4029711760714256
2014	1.2693731941667796
2015	0.9637377884341587
2016	0.6377139098896352
2017	0.7976894452396747
2018	0.9940419982929691
2019	0.8564338601704016
2020	0.6436176881198022