Year	% of total merchandise exports
1993	3.671059034931201
1994	6.751691469446669
1995	2.008511167838456
1996	2.2061879037437193
1997	1.457351500678845
1998	1.2368291681801287
1999	1.1490845047549347
2000	1.6986040748914542
2001	2.5821416097262975
2002	3.2050467308198702
2003	3.0983287312451457
2004	3.7277797854743238
2005	1.4528946198396
2006	0.07542384781324826
2007	0.07345355697473721
2008	0.07002145030738763
2009	0.05955961030395684
2010	0.04697087743239048
2011	0.06993324586530736
2012	0.06953443079696091
2013	0.06686043396278298
2014	0.053285786313290465
2015	0.056813800749748226
2016	0.02178966409642091
2017	0.014286360734585014
2018	0.01754694777240675
2019	0.014075738322899448
2020	0.012031731390020173