Portugal Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to Venezuela was US$1.93 Thousand during 2016, according to the United Nations COMTRADE database on international trade. Portugal Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to Venezuela - data, historical chart and statistics - was last updated on June of 2024.