Oman Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to Comoros was US$5.64 Thousand during 2011, according to the United Nations COMTRADE database on international trade. Oman Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to Comoros - data, historical chart and statistics - was last updated on May of 2024.