Year	% of merchandise exports
1978	65.09822201661535
1979	72.34044553891358
1980	83.78714030373128
1984	84.25240698527105
1997	22.14163771191782
1998	15.46284996076944
1999	16.878078420589905
2000	10.160978157214796
2001	3.4713139766953067
2002	6.1318758984650525
2003	6.398571406791996
2004	10.382584784914913
2005	44.16582514041864
2006	62.12497620663315
2007	40.819503355866225
2009	72.63372333172806
2010	81.60894528768719
2011	83.7497871041026
2012	87.08981177231443
2013	86.08954458449996
2014	86.0617310882531
2015	86.13989494454654
2016	83.57011007755328
2017	77.32387245151992
2018	83.45655857031818
2019	80.88828652638725
2020	84.52290211600342
2021	83.20132212896269
2022	79.43599155641232