Guyana Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to Brazil was US$72 during 2021, according to the United Nations COMTRADE database on international trade. Guyana Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to Brazil - data, historical chart and statistics - was last updated on May of 2024.