Egypt Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to Portugal was US$9.44 Thousand during 2014, according to the United Nations COMTRADE database on international trade. Egypt Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to Portugal - data, historical chart and statistics - was last updated on June of 2024.