Year	% of total merchandise exports
2000	5.060646303653509
2001	2.6944289787604783
2002	0.6860403616510591
2003	6.307709695470738
2004	6.745810617924159
2005	8.218977547585817
2006	11.124625286090193
2007	13.731065808717661
2008	7.058713455255311
2009	11.388547067324787
2010	2.85663688122512
2011	1.99528149840339
2012	2.6709014313994013
2013	1.622265208795999
2014	0.8824706866624255
2015	1.04675021308127
2016	1.7151985255468416
2017	1.9375868269656555
2018	1.4976087972324508
2019	1.3176277544231547
2020	1.0358068186397384