Year	% of total merchandise imports
1970	2.8918381283216057
1971	26.880336881506604
1972	25.52485048463601
1973	3.637385473984133
1974	22.56957362411641
1975	19.288768300423378
1976	16.577690722177415
1977	23.716564684662085
1978	26.924005054899
1979	26.439526101148893
1981	5.756556545649453
1982	8.895176241441483
1983	26.439526102938522
1984	4.411089682585837
1985	1.1107397821994107
1986	4.42357007131092
1987	2.712825867129245
1988	5.42048380914159
1989	2.525678643316258
1990	0.9834516058934416
1991	3.2205251762857356
1992	7.141904531320731
1993	0.3702577424727709
1994	0.0008883006061209061
1995	0.00041454986070373897
1996	0.27832960477982716
1997	0.005611883389278867
1998	0.005784152175956048
1999	0.0022549279400366053
2000	0.19597712626983607
2001	0.0035485725110264506
2002	0.017433849800549548
2003	0.0021297415361192064
2004	0.012250825368799793
2005	0.00960462338249304
2006	0.023421258109331225
2007	0.02321219307545326
2008	0.011818893415147313
2009	0.016925963504718564
2010	0.027617292119823108
2011	0.04612102883530884
2012	0.006954482553865395
2013	0.017359103323667052
2014	0.03352111580390528
2015	0.0038702788331503825
2016	0.0034842765471392715
2017	0.004319443445327406
2018	0.0018692779065885826
2019	0.0029258368970503166
2020	0.0010653265762766058