Year	% of total merchandise exports
1976	0.08730371215384078
1980	0.3214854013247974
1981	0.003766815298920336
1982	0.008909056352751117
1983	0.008909056352764589
1984	0.008909056352987357
1985	0.008909056352546952
1986	1.1725469895542477
1987	0.2629631906084543
1988	0.007573846325117791
1989	0.035720334338716374
1990	0.7859807969617635
1991	1.3131912512742687
1992	1.4139013344024443
1993	0.24239803348259362
1994	1.7056394205504426
1995	0.8307969096993134
1996	0.7226386168584203
1997	0.8612764738860355
1998	0.8414664056757667
1999	0.8525817087962138
2000	1.23974405592791
2001	1.3366276957954168
2002	1.5649197842808307
2003	1.3013197239742074
2004	0.8866890469013236
2005	0.76061677456682
2006	0.9250354232132113
2007	1.1305982971035955
2008	1.0543833158334692
2009	1.330269636261707
2010	1.0218273834604399
2011	1.2901518661048568
2012	1.8581150750359063
2013	2.6545739284853416
2014	2.0255498443087068
2015	1.9063064208859033
2016	2.524086294151025
2017	3.001744091774961
2018	1.7310372015512328
2019	2.060280608603414
2020	2.84374554716894