Year	% of total imports
1997	12.105337675208835
1998	17.83981488392924
1999	12.414934706639691
2000	9.852085615691783
2001	10.367923015919448
2002	13.162343349936002
2003	9.31362831853635
2004	7.929581614511218
2005	7.253928170870072
2006	5.872581926829954
2007	4.7116274720911475
2008	4.510985121214758
2009	5.925968790120166
2010	5.381218821888007
2011	4.807345397016176
2012	5.1537077666527855
2013	5.798114408811686
2014	5.619684931351164
2015	7.035614562899979
2016	8.317166799213487
2017	9.12796296054006
2018	8.914812777311312
2019	10.06995496457988
2020	3.256229414914565