Year	% of total imports
1996	4.720052886878301
1997	5.374209638524041
1998	5.527327130522638
1999	5.545394979321993
2000	6.192533546487
2001	5.887409205821503
2002	5.964530270805821
2003	6.216323050611626
2004	5.728857044753623
2005	5.803867636622677
2006	6.162997302172681
2007	5.887496562219058
2008	5.328054099795911
2009	5.606240959494626
2010	5.38873762650636
2011	4.513961158100819
2012	4.378668982827465
2013	4.448157444416237
2014	4.42884117649011
2015	5.0594623476599345
2016	4.782662343425632
2017	4.713761829737877
2018	4.598287228350556
2019	5.034192576061034