Year	% of total imports
1995	6.394111388168261
1996	6.950386934645157
1997	6.758805194811804
1998	5.784099218497613
1999	4.474850592131916
2000	5.329073553695726
2001	4.92354787433387
2002	2.977419260030045
2003	3.2433827349066595
2004	4.134763606148735
2005	3.987756064891591
2006	3.5295250830806673
2007	2.444154269265874
2008	2.2028240252055156
2009	3.026112613839805
2010	4.157951770103403
2011	4.967463058913838
2012	4.085889341117351