Year	% of total merchandise exports
1997	0.7601003491700815
1998	0.6841339547843023
1999	0.5975426915952321
2000	0.7371290761046554
2001	0.7346574062272497
2002	0.8187668326361192
2003	0.8615262417492586
2004	0.8117773083825811
2005	0.8675689135322894
2006	0.7419294004210735
2007	0.8141725303856363
2008	0.8169044430239467
2009	1.181559029369192
2010	1.8875191698546796
2011	1.6452243051561954
2012	1.4327706980937354
2013	1.3769144387404417
2014	1.777209495529257
2015	1.965426911302948
2016	2.5577764298214136
2017	1.2263772186939623
2018	1.343493144322837
2019	1.0732902280046401
2020	1.2989260146453558