Spain Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to Guinea Bissau was US$180.54 Thousand during 2013, according to the United Nations COMTRADE database on international trade. Spain Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to Guinea Bissau - data, historical chart and statistics - was last updated on June of 2024.