Year	% of total merchandise imports
1981	8.915812570382942
1982	14.453119014419025
1983	1.626164086834158
1984	4.5273419823651135
1985	22.956566018493238
1986	7.9820518308625275
1987	9.24438841076659
1988	10.024880487086566
1989	10.334755589814396
1990	10.74038184590509
1991	11.430769948234856
1992	11.106163325714704
1993	15.949991325202328
1994	8.059128677737238
1995	7.458328768775393
1996	9.716579926724405
1997	13.871180405655693
1998	20.505934256071097
1999	17.45524338669478
2000	7.18143833105526
2001	8.073237259430842
2002	8.91198384279948
2003	7.73838709823123
2004	8.547637514553347
2005	8.098488831199894
2006	9.594437402402903
2007	9.692833773123406
2008	10.3879683112788
2009	30.05542618640585
2010	33.978003015984555
2011	25.280913739100676
2012	24.95134704379629
2013	27.454867140330325
2014	25.148044722589447
2015	25.858785121294815
2016	30.183161041270917
2017	31.877440179143168
2018	29.564015211753432
2019	41.90455265572242
2020	38.940963879623574