Year	% of merchandise exports
1966	0.1533455898743404
1967	0.20951019586033645
1970	0.16077588827015696
1971	0.4287975052569373
1972	0.3812815227222308
1973	0.33751853537238713
1974	0.4360442357592443
1975	0.6653227094896619
1976	0.40229204255031725
1977	0.8769549397779898
1978	0.7630119927325438
1979	0.7372439157051978
1993	5.2470740034897245
1995	6.947867786039969
1996	9.5565394117547
1997	12.899525325684474
1998	13.992830331703454
1999	17.541758568410724
2000	19.803812127577803
2001	22.529006357992223
2002	21.970360239431315
2003	21.25043465870506
2004	26.03553045202627
2005	15.54011582650594
2006	9.77381824311594
2007	12.287156270038171
2008	11.975518926357097
2009	9.640926249448277
2010	8.061666413662046
2011	9.609024194439368
2012	13.038709961356599
2013	14.17660123707066
2014	13.691049891417666
2015	10.767099135696899
2016	13.058504219283579
2017	10.20972474768504
2018	13.258559001125688
2019	14.291883811177494
2020	10.168735296068661
2021	9.998402252764665
2022	11.141879641184685
2023	12.84819428205891