Year	% of total merchandise imports
1960	0.506906602458497
1963	0.12169891687963978
1964	0.7507507507507507
1965	0.8377840611582363
1966	0.9351912466099318
1967	0.858212361909979
1968	0.9211958797420652
1969	1.0312151616499443
1970	1.1680767773708802
1971	0.924907832611086
1972	0.9496786148589959
1973	1.4282704866231304
1974	2.0569087439667753
1975	1.3718528082633958
1976	1.1165635445558637
1977	2.0570177153807045
1978	1.9197146653612143
1979	1.726219698276434
1980	1.3754733841113145
1981	1.670017548549049
1982	2.700236951811351
1983	1.9480164905670678
1984	2.363237901143232
1985	2.1101899964301296
1986	1.5838944371639025
1987	1.438026844339747
1988	1.4886223019183888
1989	1.4343792056301927
1990	1.1437240054353495
1991	1.1938785569453552
1992	0.6675934063437855
1993	0.7491377951659838
1994	0.6070707743488655
1995	0.7192934241140122
1996	0.48047068544164895
1997	0.649373263722266
1998	0.16318404474297274
1999	0.49332424779871376
2000	0.49020797054194104
2001	0.8004816971008547
2002	0.5948240641124393
2003	0.6293540930859898
2004	0.8752004062182612
2005	0.5993735171985084
2006	0.43652745913786395
2007	0.6314175938643151
2008	0.6618401564231607
2009	0.4282940272845492
2010	0.4663467412433544
2011	0.4257803546357268
2012	0.7335790848336674
2013	0.34282964794392573
2014	0.45980891733546425
2015	0.4040843747875415
2016	0.43601046570975016
2017	0.5788389792466454
2018	0.7137343864779229
2019	0.33126941515838465
2020	0.4360519763612455