Year	% of total imports
1995	5.364950777299803
1996	6.8577975137392455
1997	4.538067096067201
1998	4.1884152865149336
1999	7.404819888188932
2000	7.04721578597674
2001	6.438001085582718
2002	5.4939341728516
2003	4.92987711032366
2004	5.2157209696071
2005	5.0652766977578825
2006	5.0743346736706805
2007	5.082862852997037
2008	4.23333834842352
2009	3.9239275904939164
2010	3.9701476176075694
2011	3.510676855894602
2012	3.7107205407454416
2013	1.177120559781705
2014	1.3014505833723404
2015	4.036306508044473
2016	2.3414081124844444
2017	3.6835662745151954
2018	1.627874073120437
2019	3.0186216995049984