Year	% of total merchandise imports
1964	0.6134969325153374
1966	3.0434782608695654
1967	1.8525010111905085
1968	2.124766275709672
1969	1.0448488068357904
1970	0.028644574538553808
1985	0.3401206107311355
1986	0.7343443281563076
1987	14.895032196062102
1988	0.6574599537336073
1989	4.221555780303972
1990	6.572178399570898
1991	8.733344180042678
1992	4.501415613920114
1993	7.651737948381905
1994	5.034710735176192
1995	5.223885245070066
1996	2.5535551107402585
1997	11.42363836381471
1998	7.043877076150686
1999	4.224975995142089
2000	4.368257302188817
2001	6.513066285861556
2002	8.358160606380407
2003	5.342496900972658
2004	3.266277059073492
2005	3.2142928516731812
2006	5.054734969009902
2007	5.5809431095415505
2008	4.405351167998814
2009	4.244395131852381
2010	15.688502398598839
2011	29.06282783574077
2012	27.37780467567163
2013	22.69620315421251
2014	23.143539694542863
2015	26.83867267331241
2016	19.328586058056715
2017	13.487073110460813
2018	21.27598799448243
2019	18.51132278900592
2020	19.57687115176754