Switzerland Imports from Ecuador of Pebbles, Gravel, Flint, Macadam of Slag, Tarred Macadam was US$302 during 2005, according to the United Nations COMTRADE database on international trade. Switzerland Imports from Ecuador of Pebbles, Gravel, Flint, Macadam of Slag, Tarred Macadam - data, historical chart and statistics - was last updated on May of 2024.