Year	% of total imports
2002	7.784556313449011
2003	7.920846507065966
2004	7.28716046112546
2005	6.548948527796293
2006	5.591874283737881
2007	5.386556892583423
2008	5.506644642687043
2009	6.507771888543439
2010	5.441952726205636
2011	4.919996310548151
2012	3.8825370115926945
2013	3.693774789013269
2014	3.4425452292121967
2015	2.585723819560365
2016	2.2597433635492314
2017	2.556934339372069
2018	2.5362775950734817
2019	2.7790553484809575
2020	2.0227689186382536