Year	% of total imports
2002	6.114567056896739
2003	6.448522740933033
2004	6.20221670893693
2005	6.064527314460818
2006	5.995537751317425
2007	5.406682510672773
2009	6.33223018450518
2010	5.735099481482729
2011	5.258515756384707
2012	5.419596705359972
2013	5.7423326432899175
2014	6.071031252135514
2015	4.489462241824827
2016	4.438371453945509
2017	4.319472981251692
2018	4.588606593116411
2019	4.791641622990254
2020	3.4530051843619622