Swaziland Exports of polymers of propylene or other olefins, prim forms to Lesotho was US$22.58 Thousand during 2014, according to the United Nations COMTRADE database on international trade. Swaziland Exports of polymers of propylene or other olefins, prim forms to Lesotho - data, historical chart and statistics - was last updated on May of 2024.