Year	% of total imports
2002	15.968215205069969
2003	15.778359330982605
2004	20.250106192532822
2005	18.57636621409093
2008	13.542614805259523
2009	14.260251355796107
2010	14.377274426762229
2011	14.002765812091544
2012	13.609996648491565
2013	12.862419651934692
2014	13.918453760478142
2015	14.408341766091473
2016	12.074040578299199