Year	% of total merchandise exports
2006	66.7998305718232
2007	59.59110698585385
2008	58.28178171692097
2009	57.14156639990481
2010	60.01934418601229
2011	60.88901181734001
2012	61.703499739885274
2013	66.03536159912329
2014	66.3087294473555
2015	67.6356235182023
2016	67.86809917278916
2017	68.71171628078277
2018	71.63887335253776
2019	70.48649667650727
2020	68.32103676781821