Year	% of merchandise imports
1974	41.64906207528165
1975	43.89462956738114
1976	41.56608286286314
1981	48.869125846055155
1997	11.109547252741272
1998	9.135830566749615
1999	13.067515296903466
2000	12.04344819702967
2001	14.91016290778374
2002	12.611989842917565
2003	14.641169131092594
2004	13.595295504961515
2005	19.710398469078367
2006	19.982544590804803
2007	15.660837774185648
2008	21.627930009815667
2009	16.740758977649513
2010	17.66777768547305
2011	23.921153347513705
2012	22.344772785624443
2013	22.845579746700444
2014	23.24020725973667
2015	16.403687038029446
2016	15.08016545545198
2017	15.290796471568262
2018	15.686464045541705
2019	17.017800339452453
2020	15.078080177567074
2022	18.568807283654085