Mexico Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to Costa Rica was US$3.01 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 Costa Rica - data, historical chart and statistics - was last updated on May of 2024.