Year	% of total imports
2000	5.025635012557312
2001	5.725972330880028
2002	5.398372674064353
2003	5.083871821873317
2004	4.838213905831236
2005	4.705054788637387
2006	4.197635858118439
2007	4.112609755475884
2008	3.4675577759547886
2012	2.684611173402392
2013	2.8387247704803418
2014	3.392174912873685
2015	3.8904631319431067
2016	4.2725932349815485
2017	4.115212613087685
2018	4.096851873568131
2019	4.641492268550629