Year	% of merchandise imports
1973	63.48677895622491
1974	59.5641001315301
1975	59.96779121693482
1976	61.912401495744504
1977	63.77469200134806
1978	67.06330404189171
1979	65.21652789232022
1980	65.80743364418178
1981	63.79104520205414
1982	61.14467791634725
1983	58.973320889373596
1985	61.680634277622644
1986	66.19480879985107
1987	66.72925309795693
1991	65.82032905485981
1992	67.52944972279138
1993	65.08624480320829
1994	64.68092601989147
1995	62.201665531404245
1996	62.91040894344785
1997	62.39081919543413
1998	62.8238966984289
1999	66.28544291595672
2000	62.8227007106522
2001	58.86468704817938
2002	63.50735205250749
2003	63.47566963107902
2004	60.134121636267224
2005	61.121170281736696
2006	64.21274079287933
2007	56.014991686441405
2008	50.69668935889674
2009	58.02399918581644
2010	60.044938382217616
2011	54.51862968998211
2012	51.84630436918525
2013	32.90112530652048
2014	47.511353672010245
2015	54.466439231108055
2016	55.8245083134844
2017	57.331657518243574
2018	51.085871529603544
2019	53.69505499741983
2020	56.962043237983984