Year	% of total merchandise imports
1969	6.451612903225806
1970	6.278026905829597
1971	5.68561872909699
1972	5.111821086261981
1973	6.089743589743589
1974	5.837333889932513
1975	4.77140401239073
1976	8.597704304857334
1977	7.396946985561556
1978	7.032817097881093
1979	8.16804633053038
1980	19.62454278132396
1981	19.735268418736947
1982	13.806257257308605
1983	14.138576279860752
1984	17.122254892457484
1985	15.986758527624179
1986	11.134331710604057
1987	12.7238458589657
1988	11.41165676959483
1989	10.327453787218527
1990	12.772746165534116
1991	11.00456297178889
1992	4.425014923492997
1993	6.671110310641912
1994	6.917332202456629
1995	1.274396435873733
1996	0.18973677319823223
1997	0.7757213838871542
1998	0.15936527093770372
1999	0.2479383712498268
2000	0.5952449196366851
2001	0.8352634826297417
2002	0.03274058816547389
2004	0.3063939624966937
2005	0.13672678114218462
2006	0.06806576054432896
2007	3.0008502440283604E-05
2008	0.3360668699995084
2009	0.768367909439873
2010	0.06902905444362747
2011	0.399771173470976
2012	0.14122741595191973
2013	2.597043436527406
2014	2.654914164977809
2015	1.1944799708500422
2016	1.3521553287461008
2017	1.4817652139656154
2018	1.3369825083855156
2019	2.034982990684473
2020	1.6362750603277538