Year	% of total imports
2004	8.232209295226767
2005	7.857595449764652
2006	6.563838932929671
2007	5.590260374956474
2008	5.943211983108814
2009	6.713598814296097
2010	7.510098564785847
2011	7.239010894874143
2012	8.287823704226614
2013	4.715096161115807
2014	4.398978510792989
2015	3.802033185102058
2016	4.748570982664915
2017	5.047431649615108
2018	5.696364747349211
2019	6.084577463856774
2020	2.625221290993372