Year	% of merchandise exports
1973	0.9409669296221421
1974	0.6243742028881275
1975	1.5919714952125998
1977	12.255640281768985
1978	5.926331172007907
1981	0.33866050157553396
1999	0.024076644476075125
2000	1.370528491538397
2005	0.11676955493372884
2007	2.5394212381791434
2009	0
2010	0
2011	2.41146762796954
2012	0.019184153939530636
2013	4.219952739527819
2014	0.21122333307796176
2015	3.7976557746873194
2016	2.7654408386153424
2017	1.9576649732837432
2018	0
2019	0.043236901113262324
2020	0.04234676696742716
2021	0.00593618074446174
2022	0
2023	0