Year	% of total merchandise imports
1981	2.7032077775894514
1982	0.19522486822321394
1983	0.06830072353233128
1984	0.06552997120960573
1985	0.1264410514411463
1986	0.23452822881100863
1987	0.4487574376726251
1988	1.3471001109079894
1989	1.1234226135863885
1990	1.482576247928891
1991	3.873053624336732
1992	3.8296931194452557
1993	15.94123997423825
1994	15.809980124080559
1995	15.421972407459151
1996	10.91445085984328
1997	9.744013899713066
1998	9.298890645532303
1999	11.594694583238283
2000	12.624141727455578
2001	12.537620688499867
2002	13.129008928803593
2003	15.659561479088028
2004	15.954585437241597
2005	19.85978724058754
2006	21.129983666009
2007	20.3059149015621
2008	21.93762976823788
2009	18.08269496369508
2010	18.551167333159427
2011	17.529125511621583
2012	20.30869368245521
2013	18.3335244821457
2014	19.941797939787413
2015	20.27912919029301
2016	18.308506428154466
2017	20.042851629829155
2018	19.361964341611053
2019	19.95075037963267
2020	21.44832121297322