Year	% of total merchandise exports
1982	0.03755022342420487
1983	0.03787448396483822
1984	10.543130992099542
1989	28.641099980594888
1993	3.076923076923077
1994	0.3328894806924101
1995	0.35347043701799485
1996	0.1559089491736826
1997	0.010410702201863516
1998	0.19132943915280723
1999	0.08574858405687419
2000	0.22770689377027611
2001	0.04015180812484777
2002	0.18616015979981737
2003	0.18462612167604323
2004	0.1819284175504345
2005	0.23635553977179483
2006	0.18215279331155476
2007	0.2183175689067594
2008	0.23285601220895952
2009	0.10384000839376484
2010	0.11335219160511273
2011	0.17191682895647423
2012	0.13922934245369872
2013	0.196248757786051
2014	0.15398301139600362
2015	0.3882765672697251
2016	0.6936502563314517
2017	0.23673527882770137
2018	0.40550981132417857
2019	0.3858566850188302
2020	0.5895549487142815