Dominica Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to Guyana was US$74.35 Thousand during 2021, according to the United Nations COMTRADE database on international trade. Dominica Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to Guyana - data, historical chart and statistics - was last updated on May of 2024.