Of waterfalls that do include a vertical drop, the waterfall with the greatest volume is the 45-foot Khone Falls, on the border between Laos and Cambodia.

Beef exports increased in volume by more than 100 percent and in value by 52 percent after the OIE declared Uruguay to be officially foot and mouth disease-free without vaccination in 1996.

There are currently about 26m containers in the world, and the volume of goods they carry has risen from 13.5m "twenty-foot equivalent units" in 1980 to almost 140m today.