Year	% of total merchandise imports
1961	0.4260018933417482
1962	0.04120313143798929
1964	0.020329335230737954
1966	0.04448398576512455
1967	0.009107468123861567
1970	0.005444942555856035
1971	0.033844272675662694
1972	4.483591675044641
1973	1.084623206417354
1974	0.08506187101631695
1975	0.07326385790568687
1976	0.4796848990692331
1977	0.0713738029593618
1978	1.656789244110834
1979	1.6903364665959077
1980	1.8403451511718765
1981	1.01889338731444
1982	0.803489187116283
1983	1.0559400382271322
1984	1.658922409375107
1985	1.0292891434704416
1986	1.374076806701396
1987	1.0890673925970227
1988	1.1216615769438592
1989	1.1613719262712874
1990	0.8265711445143799
1991	1.8815320244857756
1992	1.4928683556467581
1993	1.4899649659925855
1994	0.8293348469465472
1995	1.635844200417088
1996	1.6423913347242847
1997	1.3986002458317544
1998	1.7723700520156012
1999	1.8607676940431546
2000	1.110941367248542
2001	1.4807641291819365
2002	0.7049051335854907
2003	0.6092129133942645
2004	0.7457454582342422
2005	1.6570416341530754
2006	1.059376791092209
2007	0.8435533161775205
2008	1.5695532607639844
2009	1.096847977513328
2010	1.2964355547115802
2011	0.6277037162869507
2012	0.7213598550999996
2013	0.7322093168720362
2014	1.2085142219993608
2015	1.7828323378115396
2016	1.7802162124498557
2017	1.6817615472119283
2018	1.334985614966334
2019	1.4834026235129316
2020	2.633040819945693