Year	% of total imports
1995	4.798597333087251
1996	5.27864167437169
1997	8.308758133220989
1998	10.919420847726794
1999	11.384617761072244
2000	9.961158455106546
2001	9.748500300191399
2002	11.631273358199987
2003	12.138027870259709
2004	11.491671109459519
2005	9.015820610193925
2006	8.000735450487745
2007	6.077764741318643
2008	6.336073383730523
2009	7.1907496254694045
2010	3.620356428731891
2011	3.1393048049378343
2012	3.172178374831659
2013	3.690286516924996
2014	3.9217172552064894
2015	4.194108057174479
2016	5.122976486915743
2017	5.493166683125593
2018	5.361579735662427
2019	5.2482385778516205
2020	3.30650950405499