Year	% of merchandise exports
1976	89.85157472182564
1994	93.20834525920885
1995	85.99606843612709
1996	75.02094778331735
1997	70.71860164133884
1998	85.36365109664385
1999	72.8275532131387
2000	62.886789851418875
2001	62.805116522819596
2002	65.80066647960142
2003	66.58281430641647
2004	61.37318091333328
2005	63.26302394717283
2006	54.372719723678095
2007	62.24827592169243
2008	62.59085050800584
2009	62.53382609119673
2010	66.75217392616237
2011	53.87174355930129
2012	46.31373824405541
2013	66.11277359733641
2014	65.52901852364555
2015	66.32907458779636
2016	54.468084636355115
2017	59.70973705354364
2018	55.514680432312005
2019	41.76864595336425
2020	37.53358639722313
2021	47.99947389830969