Venezuela Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to Colombia was US$6.23 Thousand during 2013, according to the United Nations COMTRADE database on international trade. Venezuela Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to Colombia - data, historical chart and statistics - was last updated on May of 2024.