Year	% of merchandise exports
1975	66.47116723834331
2001	0.6336855619999111
2002	0.7141013936308253
2003	0.5683688695185973
2004	0.33535216633248427
2005	0.13848290194120846
2006	0.14662269928780552
2007	0.16465243772893817
2008	0.09647059662265772
2009	0.2302230885356107
2010	0.284578651726684
2011	0.33300514944768705
2012	0.12551952238716774
2013	0.15856527737892478
2014	0.6437756342545864
2015	1.549084656700568
2019	0.01716720170128739