Namibia Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to Angola was US$207 during 2023, according to the United Nations COMTRADE database on international trade. Namibia Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to Angola - data, historical chart and statistics - was last updated on May of 2024.