Year	% of total merchandise imports
1960	4.047032050066377
1961	4.3983709737134395
1968	1.0443135584507146
1969	1.2213293597999042
1970	1.5669947630248242
1971	1.4503444242024595
1972	1.5275048318201752
1973	1.7269169480245927
1974	2.817419796447367
1975	2.607197004055928
1976	2.217180441017477
1977	1.7413822939813504
1978	2.3833831628638866
1979	2.2986469276018258
1980	1.624498502953486
1981	0.6694638389003617
1982	2.5746718244657236
1983	5.386774423311542
1984	3.8588690092924787
1985	1.4261963155886235
1986	0.495301255291168
1987	0.6906029647476593
1988	0.8398062150370706
1989	0.45332642415035407
1990	3.177891841346978
1991	2.2856266298512042
1992	0.10800691244239632
1993	0.1283614140745465
1994	0.29274571954544826
1995	0.4527458616703158
1996	0.18459347483875138
1997	0.10063093069294247
1998	0.10997795970789101
1999	0.11580673156786174
2000	0.1370910902624943
2001	0.1247894946858022
2002	0.1269497472336532
2003	0.11345175861057824
2004	0.05979617953488607
2005	0.058912807467987695
2006	0.057259051521855085
2007	0.20188934317022258
2008	0.11299391392710993
2009	0.08219412243618021
2010	0.08215830876186246
2011	0.13415789864198616
2012	0.10805239545811068
2013	0.3278720365561327
2014	0.541640717084378
2015	0.5836754326408975
2016	0.4134516048482994
2017	0.49427944828355913
2018	0.5672668016663768
2019	0.4824476088200416
2020	0.34765374806030186