Namibia Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to Saudi Arabia was US$3.27 Thousand during 2014, according to the United Nations COMTRADE database on international trade. Namibia Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to Saudi Arabia - data, historical chart and statistics - was last updated on May of 2024.