Mexico Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to Chile was US$189.78 Thousand during 2018, according to the United Nations COMTRADE database on international trade. Mexico Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to Chile - data, historical chart and statistics - was last updated on May of 2024.