Indonesia Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to Brunei was US$4.78 Thousand during 2021, according to the United Nations COMTRADE database on international trade. Indonesia Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to Brunei - data, historical chart and statistics - was last updated on May of 2024.