Year	% of total merchandise imports
1964	1.403061224489796
1965	4.752275025278059
1966	4.405979543666405
1967	5.481198215423837
1968	4.913456169737577
1969	6.254545123990983
1970	4.355340133689574
1971	3.4903708883256126
1972	2.7745037510991373
1973	1.4649859444553401
1974	1.0728738127087487
1975	1.5609530227112736
1980	0.9836762698066609
1981	0.8162572675935429
1982	0.6982458114629134
1983	0.7018735284350198
1984	1.12939703088116
1985	1.3271422326945013
1986	1.5377740929964634
1987	0.8735392488342224
1988	0.6373810134616017
1989	0.53552624731174
1990	0.5789333480781654
1991	0.8556749335569113
1992	0.913408362720203
1993	0.5451900647359366
1994	0.7020350122166197
1995	0.8018818663070622
1996	0.6020193471436391
1997	0.5302263633808398
1998	0.8705137349751282
1999	0.980979316770537
2000	0
2001	0.40602595403597275
2002	0.000839460247732912
2003	0
2004	0
2005	0
2006	0
2007	0
2008	0
2009	0
2010	0
2011	0
2012	0
2013	0
2014	0
2015	0
2016	0
2017	0
2018	0
2019	0
2020	0