Year	% of total imports
1995	6.498599653484437
1996	5.46194051047663
1997	3.9485559566787
2001	5.979195581849051
2002	11.863232839786777
2003	20.98302695326291
2004	17.534871547319725
2005	12.799353556152942
2006	10.682739425819294
2007	17.23543067692196
2008	16.23392743843016
2009	8.99024196046924
2010	9.861873203355245
2011	11.3557641089572
2012	9.635436917500636
2018	16.248037170293003
2019	17.701953444971263