Year	% of total merchandise imports
1981	2.8366297691843005
1982	3.939089841114357
1983	5.430818197134101
1984	3.8375233034754626
1985	6.409581191826469
1986	5.393714951118364
1987	8.442420188953358
1988	15.216234020897131
1989	12.136910060187223
1990	22.033505175917504
1991	17.651791426951803
1992	2.767770998762941
1993	0.9366798816949123
1994	0.540337760473764
1995	1.301896803136083
1996	2.107711071234924
1997	0.4907355654514277
1998	1.1476997133950921
1999	1.0993715569038933
2000	2.726225164201488
2001	3.922670718631543
2002	4.726065616222408
2003	6.917019117861181
2004	7.767322367504893
2005	9.70512836390768
2006	9.296192349053094
2007	10.761303981403072
2008	11.458778691152778
2009	11.347391818098505
2010	10.176191257158624
2011	9.9556026772154
2012	9.846860738727777
2013	12.820773266123966
2014	12.23974934939555
2015	13.853132819360722
2016	14.196342711459078
2017	13.727644040404597
2018	14.561986278291961
2019	14.80875165247378
2020	14.89659422352441