Norway Imports of pebbles, gravel, flint, macadam of slag, tarred macadam from Bulgaria was US$9.2 Thousand during 2022, according to the United Nations COMTRADE database on international trade. Norway Imports of pebbles, gravel, flint, macadam of slag, tarred macadam from Bulgaria - data, historical chart and statistics - was last updated on May of 2024.