Year	% of total imports
1995	5.73797912533999
1996	5.542549912808193
1997	6.72688236572923
1998	6.9379832713024205
1999	6.98849188439774
2000	7.378587898890978
2001	6.8494014010276985
2002	6.7705128076398005
2003	6.670566844625639
2004	6.57091005279289
2005	7.122072910005061
2006	7.8605712413464595
2007	6.8450470472162985
2008	5.862163643026885
2009	6.113646659149501
2010	5.466371110474907
2011	5.118089688750586
2012	4.562788146427625
2013	4.352827679576325
2014	4.69858142414015
2015	5.147713172725694
2016	5.063370576296279
2017	4.836803032377706
2018	4.748085584013737
2019	5.687742816135082