Year	% of total imports
2001	8.347854175780702
2002	8.42618317340426
2003	7.555852784511942
2004	7.8376709150875215
2005	6.402481868952763
2006	5.692413709258488
2007	5.117964048493614
2008	4.843115861751295
2009	6.063622719419108
2010	5.7059099785000225
2011	5.304278446091912
2012	6.1904205362615015
2013	6.888882373664365
2014	7.001082343812591
2015	7.075551750958595
2016	6.343837699240208
2017	6.536816338529848
2018	6.606352952998289
2019	6.796583998220572
