Year	% of total exports
1995	8.474055492461265
1996	7.830326350991757
1997	7.582209391742341
1998	7.510134827995854
1999	7.3950979824896255
2000	6.839622642348905
2001	6.707974582573952
2002	6.611572909572081
2003	6.239294628175905
2004	6.086853088563604
2005	6.054418129382842
2006	5.591164894333792
2007	5.471429302871927
2008	5.293374464299768
2009	5.923173265489961
2010	5.548589514222637
2011	5.402143015388658
2012	5.46406897149228
2013	5.73715591027384
2014	5.975319532132432
2015	6.515427584584948
2016	6.709107158924703
2017	6.555588774926283
2018	6.480205560154886
2019	6.768790491682762