Spatial Coverage
- Asia14
- Poland14
- United States14
- Blanc, Mont (France and Italy)13
- Europe, Central13
- North Rhine-Westphalia (Germany)12
- Africa, North11
- Great Britain11
- America10
- Austria10
- Congo (Democratic Republic)10
- Hungary10
- Lower Saxony (Germany)10
- Southeast Asia10
- Africa, West9
- Bering Strait Region9
- China9
- Europe, Eastern9
- Netherlands9
- Pacific Coast (North America)9