Year	% of merchandise imports
1963	79.87751603750793
1964	76.40626354602072
1965	77.8462774645357
1966	83.36025142839829
1967	85.97026449542314
1968	85.39735513126762
1969	87.9073532921925
1970	84.95277427852446
1971	82.98387313781225
1972	82.55511369574103
1973	82.29878544816357
1974	74.67574076378747
1975	79.31726532824506
1976	84.4224457115859
1977	82.39440381310331
1997	69.81318657518653
1998	77.73331728681512
1999	72.82923787585052
2000	73.65647669937744
2001	75.92875250956862
2002	76.67189688277875
2003	78.71695186051313
2004	72.556298959587
2005	69.37067343131488
2006	16.29511755224276
2010	69.96139398344778
2011	62.09709175192846
2013	65.70857599241387
2014	68.00603105279504
2015	69.18097497531888
2016	70.34654911430582
2017	66.52530811511893
2018	62.08686118605667
2019	63.93470749779863
2020	63.82560021066488
2021	59.535826530446975