Chile Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to Bolivia was US$15.84 Thousand during 2017, according to the United Nations COMTRADE database on international trade. Chile Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to Bolivia - data, historical chart and statistics - was last updated on May of 2024.