Namibia Exports of aluminium casks, drums, boxes, of a capacity not exceeding 300l to Swaziland was US$946 during 2011, according to the United Nations COMTRADE database on international trade. Namibia Exports of aluminium casks, drums, boxes, of a capacity not exceeding 300l to Swaziland - data, historical chart and statistics - was last updated on May of 2024.