Year	% of total imports
1995	2.2721836881128916
1996	2.249415152060464
1997	1.8955618335915427
1998	2.8080565695759834
1999	3.699006552525893
2000	21.47670887950826
2001	16.864146448498527
2002	21.12163544932723
2003	22.374900476112074
2004	23.126808836953614
2005	23.083411918835345
2006	24.281157029945984
2007	24.9057976767104
2008	24.43265910330073
2009	28.06590438144007
2010	25.117954607020177
2011	24.99606862455108
2012	23.47781352877664
2013	26.077673872918034
2014	27.07070815465195
2015	25.856664140265817
2016	24.58921142347265
2017	24.058986952820486
2018	25.531467470333492
2019	26.74053649561513
2020	14.19431235226024