Year	% of total imports
2005	2.2866905791828986
2006	2.200808389199876
2007	1.8545514797648672
2008	1.5583045646336786
2009	1.509123336534504
2010	1.683964533644924
2011	1.5657189946435928
2012	1.5881165075127495
2013	1.4948337088647285
2014	1.7366686108617153
2015	2.106552285858266
2016	2.4684992073374765
2017	2.2767004106191813
2018	2.4060836444811358
2019	2.4686380458554718
2020	1.615963944731068