Year	% of total imports
1995	3.914897151241669
1996	5.001528050643968
1997	5.936676005273566
1998	6.759271746459877
1999	9.495387382576718
2000	10.824497488369364
2001	9.825233016779993
2002	10.841341329004468
2003	11.895988493087401
2004	5.856827534161086
2005	4.99210619976997
2006	4.398184809251574
2007	4.567405377309456
2008	3.993012556075879
2009	8.392264114084794
2010	12.586954764663114
2011	4.245491959076413
2012	10.246096335812451
2013	15.12395300781587
2014	15.49567521151067
2015	16.7305976208938
2016	15.863355718011046
2017	17.12367513035665
2018	17.359781081118
2019	17.812281433404216
2020	18.851355099184264