Year	% of total merchandise exports
1997	1.0091152196526836
1998	0.9947210188921742
1999	0.7872563511344055
2000	0.5271992910488577
2001	0.6727632164794759
2002	0.5368780093481182
2003	0.4815314613319358
2004	0.38593594989758534
2005	0.333930700833796
2006	0.301882145219479
2007	0.330143112558636
2008	0.35991470515366286
2009	0.5024747383261223
2010	0.6440453182608082
2011	1.0724812730709479
2012	1.1924706451542073
2013	0.675076710585939
2014	0.841104266905148
2015	0.9090667228784914
2016	0.7852996808481325
2017	0.8938557174693076
2018	0.9989404124014059
2019	0.7701059275491924
2020	0.9314734621519324