Jamaica Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to Canada was US$5.66 Thousand during 2016, according to the United Nations COMTRADE database on international trade. Jamaica Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to Canada - data, historical chart and statistics - was last updated on May of 2024.