Year	% of total exports
1995	12.360329436452483
1996	10.971710718726785
1997	11.513455168997668
1998	15.644762436755222
1999	15.033403511687998
2000	11.900577156641008
2001	13.411281424862038
2002	14.160352961655315
2003	15.111528117784543
2004	14.550058137033517
2005	11.965431664160032
2006	11.403199842990324
2007	10.707873798039973
2008	9.07618689715646
2009	11.926299745977948
2010	12.097099509147682
2011	7.69632694692675
2012	5.578011481989532
2013	5.498062030617575
2014	5.965234698955053
2015	11.020185578767297
2016	16.907616779056394
2017	16.387517911160636
2018	12.797471725582794
2019	12.841052864410536
2020	2.819279603968596