Year	% of total imports
1996	12.166589023708747
1997	11.50838106478889
1998	10.522654650987432
1999	10.97409864601685
2000	10.519215137405842
2001	10.963032140350906
2002	10.52350899706143
2003	11.042531195882958
2005	10.400290958459909
2006	9.311593620257096
2014	6.040814988342996
2015	7.111520526046666
2016	7.943268493915884
2017	9.105896326692152
2018	8.233503769843592
2019	8.155995831381745