Spain Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to Uzbekistan was US$323 during 2014, according to the United Nations COMTRADE database on international trade. Spain Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to Uzbekistan - data, historical chart and statistics - was last updated on May of 2024.