Year	% of total imports
1995	7.273936022601085
1996	7.7166041750178564
1997	7.116034663703253
1998	6.234624209270014
1999	5.969708407350459
2000	5.8479631646628505
2001	5.762526301879775
2002	5.464333878037569
2003	5.4485650645380845
2004	5.114900381565882
2005	5.0660559050826075
2006	4.774018709778642
2007	4.71434857988627
2008	4.397286745695145
2009	5.3684759197908365
2010	4.984042595403724
2011	4.891785610168623
2012	5.119601638321149
2013	5.469957250640822
2014	5.5763387715884205
2015	5.548482677465836
2016	6.103809843561585
2017	6.294764073607626
2018	5.7265311020824035
2019	5.517275077470041