Year	% of total merchandise exports
1972	0.018461311245400056
1973	0.001006552657802293
1991	0.019160692734069635
1992	0.017952690438109476
1993	0.026289375275471392
1994	0.029646514054936634
1995	1.399425219105527
1996	0.9548242462931268
1997	0.5937038223352862
1998	0.08222106032676389
1999	0.5737553502941571
2000	0.596834921299079
2001	1.6608643974575705
2002	1.8885934637628654
2003	1.1908392742281178
2004	1.3106543069296248
2005	0.7616878790184454
2006	0.5079159722939948
2007	1.636578780013364
2008	1.470032080466972
2009	3.859843486689185
2010	0.7699926349540608
2011	0.6519547242457175
2012	1.3955451142426805
2013	1.077434635777302
2014	0.6789266467305438
2015	0.093420723182237
2016	0.22936461193242558
2017	0.3879756761007921
2018	1.3106251365415666
2019	1.0707661935415134
2020	0.8476295621908584