Year	% of merchandise imports
1962	14.09324785573147
1963	15.511911859780808
1964	13.934697088724372
1965	20.49896948490403
1966	14.938222369594314
1967	14.729861955734053
1968	16.51580883361369
1969	16.454931552684574
1970	15.470667523984005
1971	16.566185894304475
1972	14.56086526158292
1973	16.3264099935885
1974	15.858614713519515
1975	14.174790308521136
1995	17.9347334257534