Year	% of total imports
1995	5.023041977863611
1996	4.543499143012935
1997	4.975890031541822
1998	4.995878191086632
1999	5.824054830884889
2000	5.2009327212186
2001	6.200829147144969
2002	6.4377115882731575
2003	9.843516724297158
2004	8.290486485636883
2005	5.913716156752052
2006	5.668317366127891
2007	5.396558065801796
2008	4.7035498642489975
2009	5.359177315816683
2010	5.6177095397121555
2011	4.655405990598174
2012	4.787227983541233
2013	5.223765835291305
2014	5.318162390887529
2015	6.840232918009721
2016	7.44310735336063
2017	7.543024656007713
2018	7.406578628763753
2019	8.330144208403727