Year	% of total merchandise imports
1961	0.2466091245376079
1962	0.19786307874950534
1964	0.09411764705882353
1965	0.3242805026347791
1966	0.1588310038119441
1968	0.02811689881852791
1969	0.02433843702982565
1970	0.048704044014024964
1971	0.08709547138667931
1972	0.05373186318014811
1973	0.08273767614202328
1974	0.40318808948476115
1975	0.7431272713325471
1976	0.022716549880301258
1977	0.24660520283452475
1978	0.15638646208489967
1979	0.2757043384270754
1980	0.09875043608980727
1981	0.22585568506135745
1982	0.32239832412759684
1983	0.1749679140895215
1984	0.15719310029572825
1985	0.15719310031677647
1986	0.15719310027507322
1987	0.6581234099995249
1988	0.3556428214473167
1989	0.3556428214735855
1990	0.717868851258492
1991	0.939044299531901
1992	1.9026406824803954
1993	1.0928201676859999
1994	0.9529293519091245
1995	1.1016793064255037
1996	1.0121449463333054
1997	1.3043797298937483
1998	3.789114988063972
1999	1.8277082438795913
2000	1.491754621150033
2001	1.5936303398211953
2002	1.258214416996838
2003	0.5687199262114708
2005	1.4897725931070396
2006	0.7953322941617432
2007	1.2227841862719
2008	1.3750206367581663
2009	1.048120362661922
2010	0.7006137466283298
2011	1.9593856053827012
2012	2.8261731039207914
2013	1.4065755252136163
2014	0.6308897893967924
2015	0.7282774087316431
2016	0.5473054797862692
2017	3.423294547998701
2018	1.2594038808673926
2019	1.2739846292386845
2020	1.75018802660113