Year	% of total imports
1995	1.7028133622023705
1996	1.2845274142679226
1997	4.284339638413788
1998	7.466646044112654
1999	10.849153640180944
2000	9.852707006369426
2001	9.762758149854923
2002	7.30563002680965
2003	7.8322155280209165
2004	7.386257255195656
2005	6.803224136656068
2006	5.797376924539061
2007	4.969127450739219
2008	5.149504855302375
2009	6.218363199704415
2010	7.117159393086188
2012	8.144626970560886
2013	6.109922156111098
2014	3.498368308215489
2015	5.055271282170446
2016	7.038961038961039
2017	13.265319624733701
2018	10.833580917618098