Year	% of total merchandise exports
2000	77.76677517022475
2001	87.2870330811292
2002	97.08639767452044
2003	74.17641138623681
2004	66.57974472394187
2005	54.27688800291324
2006	57.87787615788442
2007	48.56025669321472
2008	76.95141948841203
2009	57.59436389557395
2010	70.83250775154151
2011	78.56595897541202
2012	77.08265589922128
2013	78.386250696675
2014	77.75013050580775
2015	87.35136489218431
2016	87.99588471459958
2017	71.46405341027072
2018	63.87404820135912
2019	68.42583462268819
2020	66.78327725998913