Year	% of total merchandise imports
1973	87.80157437035001
1974	91.21017982591792
1975	92.18922167685064
1976	92.69493104173553
1977	92.23810367570334
1978	93.58527122301102
1979	94.4225576557036
1980	93.6431300394111
1981	95.35694627316616
1982	94.33722638643324
1983	93.3045679507358
1984	93.48588651314856
1985	93.485886516144
1986	91.09715543056056
1987	92.04764763392514
1988	87.80569887953762
1989	86.87728468695302
1990	86.84309233448069
1991	87.52759056356706
1992	86.37585444319697
1993	82.949688765471
1994	86.28277651843558
1995	85.17131031292075
1996	86.65688251622245
1997	89.38358453778379
1998	84.861130558785
1999	87.84039195157287
2000	41.99077084459002
2001	48.73576739513079
2002	51.58146989967866
2003	49.39917102283366
2004	44.95109052713561
2005	41.80410934390677
2006	35.00671240982631
2007	38.37720512421802
2008	40.32296746201014
2009	40.33968686939013
2010	36.72066299984931
2011	74.96928511642243
2012	49.68175822064576
2013	82.06599870886002
2014	79.02951836402426
2015	75.14333166885193
2016	73.11202173080277
2017	67.79727542192214
2018	65.36510619435235
2019	64.11019519968306
2020	74.36439254757362