Year	% of total merchandise exports
1962	0.1838235294117647
1963	1.82648401826484
1964	2.6917900403768504
1965	4.25776754890679
1967	0.24360535931790497
1968	1.2542759407069555
1984	5.27768874246118
1985	11.138225392956148
1986	1.1301989428061108
1987	0.4640092495098491
1993	0.3401508809078834
1995	0.0010181964584010527
1996	5.7684158603274795
1997	0.5161228468249657
1998	0.33208355650776644
1999	0.08941791819702709
2000	0.041984857384024195
2001	0.04448086088441648
2002	0.055848563180925875
2003	0.07038494089592576
2004	0.16620964511008424
2005	0.1814079681657243
2006	0.2994600367151986
2007	0.38001404343938683
2008	0.5504416779400743
2009	0.36458240875028264
2010	0.46038008482184495
2011	0.8019750768863502
2012	0.6775073806132927
2013	1.129788436028519
2014	1.284274133157677
2015	0.7925107229916936
2016	0.8046249413918448
2017	0.7151450839183335
2018	0.5737111206514888
2019	0.6211138735430483
2020	0.4898813580623986