Year	% of total merchandise exports
1965	0.12180267965895249
1969	0.0009490907710413424
1970	2.685563997662186
1971	0.22836476362696978
1972	0.8979461063707801
1973	0.03171031868870282
1974	0.001366969906157516
1975	0.0007580696514395744
1976	0.12028045882594537
1977	0.0008046800189904484
2000	0.04537357940170331
2001	1.3990232132780729
2002	0.6856488880852716
2003	0.5544567834409266
2004	0.14214471117913233
2005	3.6589898364434594
2006	2.5478879274587958
2007	1.6810064448788324
2008	4.746095584477268
2009	1.1357631101269128
2010	3.7225449932230883
2011	1.397971276308735
2012	1.3466105840701872
2013	0.38047402194412455
2014	0.6247014072896018
2015	0.8433127251110043
2016	0.21479058252014652
2017	5.28325102901349
2018	11.661212462020758
2019	20.94323076532595
2020	42.300486325498376