Year	% of merchandise imports
1963	70.58676607986976
1967	73.62080656079546
1970	73.55995113700432
1971	71.61504210298864
1972	73.74509363217682
1973	71.73257607135744
1974	62.671426434809476
1975	68.91410342146273
1976	69.89214784341777
1977	67.75536483061032
1978	63.4021989172827
1979	59.2722472312296
1980	50.645768210529
1981	48.56888501983408
1982	49.36348285030885
1983	53.71344444354609
1984	52.99077236458213