Year	% of total merchandise imports
1973	65.63809216886884
1974	66.92104248167942
1975	63.79278992589899
1976	61.2180884432583
1977	61.48464239676401
1978	62.74141684475424
1979	66.61755703806688
1980	69.4464023044864
1981	66.85109962019635
1982	65.11031722404155
1983	72.43439775127888
1984	66.19590163325634
1985	68.5753532026744
1986	65.99643186229342
1987	65.20761378744538
1988	62.672994841878015
1989	60.0318887360294
1990	68.24028775523252
1991	61.40571871365162
1992	58.534481290587635
1993	58.620633330169
1994	54.88230283667639
1995	56.1372061880197
1996	50.243193201164594
1997	52.470475025476496
1998	48.651626370608454
1999	52.81681131958895
2000	54.07602081778366
2001	52.76234433776224
2002	51.7131688127347
2003	49.27336293592297
2004	49.188227680807216
2005	49.41718185505997
2006	49.81857864316402
2007	48.292686083465206
2008	47.90355246532024
2009	43.69811632044617
2010	40.74566495081702
2011	36.960470563168634
2012	37.34863603481143
2013	35.80989019674527
2014	35.78680334739895
2015	35.21958321286776
2016	34.75101682143309
2017	34.42434658253664
2018	33.05752519567197
2019	35.212680805130795
2020	33.3032992897841