Year	% of total merchandise imports
1966	0.2222222222222222
1973	0.02665523195846419
1974	0.04045307443365696
1979	0.2408383918680617
1980	2.015495089983242
1981	0.4988543371522095
1982	1.1697938383136437
1983	1.296357528916962
1984	1.8434924955587466
1985	1.7218981100344466
1986	2.8143839320515602
1987	0.5161317955051616
1988	0.3411576792111611
1989	0.2037609435016699
1990	0.13792973139897668
1991	0.26537636557531236
1992	0.45753326666476535
1993	0.3043687209437549
1994	0.4589356529645711
1995	0.6525198229852438
1996	2.3187955499595545
1997	1.2065996459491495
1998	0.9615789155694613
1999	1.5318053052777607
2000	0.10334190827579809
2001	1.244123379146692
2002	2.3217560417964216
2003	4.151304423756446
2004	3.6577206293315707
2005	4.046959394419897
2006	3.723102053679931
2007	3.406939871809203
2008	3.1986916206935905
2009	2.1792802587868763
2010	1.4189469007311466
2011	2.093156202173278
2012	3.4885785954009867
2013	2.7807943519139324
2014	3.1771370702326616
2015	1.8530232588752187
2016	1.1433969245122648
2017	1.6516123854895919
2018	1.2786938050444971
2019	0.793065680574006
2020	0.13589654314809732