New Zealand Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to Papua New Guinea was US$125 during 2019, according to the United Nations COMTRADE database on international trade. New Zealand Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to Papua New Guinea - data, historical chart and statistics - was last updated on May of 2024.