Year	% of total merchandise imports
1960	77.17159333424148
1962	80.17874798860046
1963	76.7322233843727
1968	55.44832574821423
1969	56.80343769183548
1970	64.65885186737356
1971	68.47774113913515
1972	68.7920620462163
1973	67.91383153848098
1974	68.86753209495805
1975	70.26773542857214
1976	69.87244135972904
1977	70.25280746021154
1978	71.40803564461268
1979	71.20665650858554
1980	75.50140755110257
1981	77.80181119716406
1982	73.18336251555222
1983	73.29455821611263
1984	72.44606544763569
1985	65.97962308073134
1986	69.62425447238182
1987	73.00718174674105
1988	73.17069668142086
1989	75.19747703682339
1990	74.71184392547573
1991	72.53468961483831
1992	72.52011289130891
1993	70.83445826688153
1994	70.45464040061573
1995	71.04259965035595
1996	71.23396587455413
1997	70.27682698643049
1998	68.71778750511584
1999	67.83320295204521
2000	66.10765867580757
2001	64.91801315721428
2002	62.328991673463086
2003	58.90365245035834
2004	58.26253200866257
2005	57.98638383392358
2006	57.20233010829235
2007	57.5066355154277
2008	59.119182773934476
2009	58.07212185324637
2010	56.90924343265387
2011	58.34109147573765
2012	59.68736748271534
2013	58.32894456458517
2014	57.84242436711885
2015	56.95873888497989
2016	57.55239206171466
2017	57.76739263233588
2018	58.13168381973092
2019	57.334713853092246
2020	55.65275401259604