Year	% of total exports
1996	9.500126610027898
1997	9.921591707551919
1998	11.227224353184345
1999	11.02454586231392
2000	8.72124416052012
2001	10.74605653969574
2002	8.768267446199049
2003	8.076024102857298
2004	8.248697787989844
2005	6.8081120993592235
2006	7.183782836838393
2007	6.981964605803603
2008	6.237422742761244
2009	7.126196011910329
2010	6.867303006723182
2011	6.584689108252789
2012	7.3387176861079375
2013	7.884718011162962
2014	8.810185900940976
2015	10.156992460281252
2016	10.293771090160881
2017	9.70579891913217
2018	9.816425298749095
2019	11.373623021289772