Year	% of merchandise imports
1962	0.0172928148938596
1980	0.46010897011232027
1981	0.727883920685601
1983	1.158339853285305
1984	0.945824576747752
1985	0.4398591427132588
1986	0.5403497520478072
1987	0.5951558941981099
2009	0.7506224169167355