Year	% of total exports
2005	12.675734382742544
2006	10.567427235371865
2007	10.110137945666082
2008	9.632490470385886
2009	11.969668431208573
2010	10.412493071645844
2011	9.571506583877008
2012	9.76041632299568
2013	10.863674777526516
2014	11.048856827991365
2015	12.289389476896078
2016	11.03272686428289
2017	11.337204413040988
2018	11.53929814096048
2019	12.180247503559434