Google mapped government-authorized imports and exports of small arms and ammunitions from 1992 to 2010. The sliding scale across the bottom lets you see trends over time, such as the point at which ammunition transactions overtook arms in 2002. You also can spin the globe like a gyroscope by dragging your mouse to see different parts of the world. The color-coded pathways indicate whether something is an import or export, and whether it's miilitary, civilian or ammunition.
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