Spain Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to Algeria was US$68.63 Thousand during 2022, according to the United Nations COMTRADE database on international trade. Spain Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to Algeria - data, historical chart and statistics - was last updated on May of 2024.