Year	% of total imports
1996	3.3688378328618644
1997	4.007953188128174
1998	3.6968052628333554
1999	4.198276068231034
2000	4.869155827645068
2001	3.5318795140022843
2002	3.3882085517751945
2003	3.514027891321008
2004	3.4072587969820662
2005	2.5223966863598086
2006	2.8658536856336987
2007	2.7105439197088765
2008	2.9204080209390013
2009	2.821509667951396
2010	2.833312131254739
2011	2.1621984936765437
2012	2.355032152843807
2013	3.1466211458284565
2014	1.7309836804602556
2015	1.8145613018613886
2016	1.7501253552405962
2017	1.9853810128174416
2018	1.840353977432228
2019	2.1624181199291193
2020	1.1606943950761233