Year	% of total exports
1995	19.394669055885316
1996	23.49345914647223
1997	22.83458608686879
1998	19.21398388251322
1999	16.911745569060198
2000	13.235135310252478
2001	9.959934650692391
2002	8.754997446238926
2003	6.557127221845084
2004	7.4188263669253
2005	6.761273510083843
2006	6.24535600750699
2007	7.053255718855988
2008	6.308267219705938
2009	6.010796090064679
2010	5.175929177564509
2011	5.128377079449384
2012	5.33588638902186
2013	5.160153599082789
2014	5.060570535365377
2015	4.93283845881937
2016	5.047908983516599
2017	5.082561976231495
2018	5.013137388750788
2019	4.955185094076612
2020	2.626917518113159