Year	% of total imports
1995	5.023041977863611
1996	4.543499143012935
1997	4.975890031541822
1998	4.808046454302024
1999	5.68567117766745
2000	5.006499848343266
2001	5.842903164531311
2002	6.036299580650543
2003	9.764243514807509
2004	8.218602750450316
2005	5.9072430268052605
2006	5.667194940760969
2007	5.329200760866087
2008	4.625044150094451
2009	5.2884797474097756
2010	5.549159910870299
2011	4.5461045262466655
2012	4.693868654554464
2013	5.153763893140228
2014	5.286391765269095
2015	6.815469986483555
2016	7.432169529916861
2017	7.48958766158536
2018	7.360468168088448
2019	8.284479871119556