Year	% of total merchandise imports
1964	1.2135922330097086
1967	0.7623888182973316
1971	1.444397571577924
1972	0.8498692805416952
1973	0.3003632299525007
1974	0.016500157017623234
1975	0.008799577620274227
1976	0.0014581935897809793
1977	0.010644911306598993
1988	0.00042455625487040975
1991	0.008961532482946255
1992	0.14381527570882904
1993	0.0005815951518817832
1994	0.0023615736726360363
1995	0.5729061548944809
1996	0.4662127405640156
1997	0.5233533703474107
1998	0.020757482786409556
1999	0.029386068553088056
2000	1.0917904571218515
2001	2.1333425843914666
2002	6.512083725067261
2003	4.286241828897264
2004	3.6375989129472113
2005	3.6406761317846135
2006	6.478823408234148
2007	8.834944898211454
2008	5.982544900138244
2009	5.0733649172361766
2010	6.1782010787924735
2011	6.4658645431374335
2012	8.442131504991087
2013	8.373905340094273
2014	7.291246132880631
2015	13.830278962675512
2016	15.926895521766404
2017	14.215937355354225
2018	16.895807995256256
2019	14.46930642656713
2020	10.631757144634323