Year	% of total imports
1995	8.456419976765886
1996	7.671226699517258
1997	8.188026169928792
1998	7.83381411210893
1999	7.543299656775846
2000	7.161618602729337
2001	6.078570168988102
2002	5.368959780945475
2003	4.854609675268581
2004	4.317639526485295
2005	3.895777856419548
2006	3.441653207916274
2007	6.5095073372876815
2008	3.9331312192980175
2009	4.91209501780682
2010	4.168006758475324
2011	3.8887623864679197
2012	3.5674288589324283
2013	3.6295706595361112
2014	3.868658483242656
2015	4.150496475918378
2016	4.482414836939115
2017	3.9336374542342427
2018	3.6160330414619897