Year	% of total merchandise exports
1969	0.019121190102872002
1970	0.007895063329686565
1971	0.004402910323723982
1972	0.002116939751894661
1973	0.040129752867605256
1974	0.034644032565390614
1975	0.009641667429965337
1976	0.008025424544958427
1977	0.0036881043881066013
1978	0.0003330646611733202
1979	0.008541460248044006
1980	0.014798431366275174
1981	0.0011418862133226147
1982	0.010041039530800244
1983	0.005983580680212307
1984	0.04023179921627447
1985	0.0013128574922291146
1987	0.021664158225251938
1988	0.016767819248026564
1989	0.018002839028551185
1990	0.005730787038581092
1992	0.12154134556807232
1993	0.13074968650436142
1994	0.1575359897967153
1995	0.25077401006976935
1996	0.246134852293512
1997	0.031127639017114055
1998	0.11805186263970774
1999	0.019226960867404018
2000	0.3589771173505264
2001	0.291765991104492
2002	0.29311330369296074
2003	1.0907030576024999
2004	1.3606536810115457
2005	0.5255172365491978
2006	0.8213874360608091
2007	0.7733431810515697
2008	0.6376722798256196
2009	0.3832148868930924
2010	1.9005761537183068
2011	0.47890849332526697
2012	5.734351364976693
2013	18.52751356787015
2014	1.9126249742371406
2015	1.3592184818021757
2016	1.5659646609854125
2017	0.8534515140821675
2018	1.3716237067022088
2019	3.2297140943688034
2020	1.8102856561607414