Greece Imports of pebbles, gravel, flint, macadam of slag, tarred macadam from Canada was US$5.47 Thousand during 2021, according to the United Nations COMTRADE database on international trade. Greece Imports of pebbles, gravel, flint, macadam of slag, tarred macadam from Canada - data, historical chart and statistics - was last updated on May of 2024.