Year	% of merchandise exports
1976	98.2216506148171
1980	84.15801755137954
1993	89.44118920627653
1994	81.42838605373393
1995	85.75595405062076
1996	84.72661402726682
1997	87.11576191740764
1998	89.64930205984516
1999	89.28769424815943
2000	86.78494975425365
2001	89.75890230766043
2002	90.79898402730508
2003	66.82696615378167
2004	88.58768532345104
2005	87.72414033778017
2006	86.80154005643968
2007	86.37087471510286
2008	83.8901961123739
2009	84.10319805053452
2010	82.33728643493788
2011	82.36813371275657
2012	83.83849743138073
2013	86.4419512714704
2014	88.49053537147238
2015	89.83215607496815
2016	87.96970318993533
2017	81.38241121780216
2018	73.28815771625042
2019	69.77507732259204
2020	86.19152159797162
2021	84.97442800966385