Year	% of total imports
1995	6.46395196823706
1996	6.656600242444865
1997	6.320735368150205
1998	6.113157767732179
1999	6.057507591249923
2000	5.648774601055294
2001	5.8727614415211145
2002	5.6815171902314985
2003	6.460500688803382
2004	6.807196787246231
2005	5.777601899485556
2006	4.443123973930082
2007	4.12597030233805
2008	3.4204739799657955
2009	4.431039303233896
2010	3.7196444424466493
2011	3.4107897785214303
2012	3.3475970075393704
2013	3.4679128680507674
2014	3.54198262106714
2015	3.998904409750753
2016	4.246877437620978
2017	4.4674045805154625
2018	4.171781176392529
2019	4.321944059365571
2020	2.1869874248223073