Year % of merchandise imports 1963 62.8164062518693 1964 68.9577741964002 1972 67.46394076644154 1973 62.70702198164291 1974 59.76822074108927 1975 62.58135088879088 1976 61.06106475377001 1983 35.83310922316738 1984 56.69081741490034 2000 34.48192479094934 2002 29.33509789078647 2014 49.61835229857383 2015 50.65286296316954 2016 59.54814428909124 2017 64.27217557331724 2018 63.943745459716325