Year	% of total merchandise imports
1969	0.8320726172465961
1970	1.453125
1971	0.9474270852684377
1972	0.7443810074438101
1973	0.5091544949598849
1974	0.8784881145725676
1975	0.7791890571568149
1976	0.5186385737439222
1977	0.22774208820720448
1978	0.09460258467775995
1979	0.3522287943531129
1980	0.5341167972439851
1981	0.23719008808976327
1994	0.02569732950468547
1995	0.10037252598448566
1996	0.14624779004049482
1997	0.13046492754344283
2002	0.3366822381629773
2003	0.3862483957740424
2004	0.29785426005965393
2005	0.417134455703444
2006	0.33509463809047857
2007	0.28106323556525814
2008	0.37692063623031147
2009	0.38023101394552894
2010	0.43859120021756715
2011	0.35968618417191844
2012	0.34413651753061236
2013	0.5657695764364171
2014	0.3828116586752254
2015	0.3928087209826317
2016	0.45848496265887145
2017	0.7189346352371734
2018	0.8207049785748537
2019	0.5856463694451481
2020	0.6712230748179768