Spain Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to Qatar was US$6.4 Thousand during 2020, according to the United Nations COMTRADE database on international trade. Spain Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to Qatar - data, historical chart and statistics - was last updated on May of 2024.