Year	% of total merchandise exports
1997	0.8727167070595796
1998	0.7831862689390668
1999	0.7421511291120193
2000	0.6969217695018484
2001	0.5958421970238318
2002	0.47525217977189776
2003	0.4053830246531229
2004	0.6174570500550596
2005	0.7966778103031094
2006	0.5992590526832247
2007	0.7317265636806775
2008	0.5312343542597002
2009	0.5840809033789517
2010	0.7547068554119789
2011	0.7551655360776663
2012	0.7654664577636161
2013	0.8927810206239872
2014	0.9112383510777745
2015	0.8205993262565328
2016	0.6110579591770883
2017	0.872723707588867
2018	1.1054032029512724
2019	0.7510251705913636
2020	0.7162307418902195