Year	% of total exports
1995	2.886782425032511
1996	3.0711747523885626
1997	2.9922470584661807
1998	2.5125943192139695
1999	2.4896990919759934
2000	2.285749023632123
2001	2.6267476213727403
2002	2.2145555272197277
2003	2.2201851903717698
2004	1.9787827685497188
2005	1.879014630697549
2006	1.778043567773582
2007	1.5509681383751144
2008	1.2290520350123344
2009	2.6476434594165843
2010	2.1370880286278373
2011	1.9175245371779281
2012	2.292310376331537
2013	2.02490282161071
2014	2.1812757709968404
2015	2.7249244759527533
2016	2.6034738685932357
2017	2.614122111225241
2018	2.567382725359808
2019	2.8563623347514375
2020	0.8428674668803473