Spatial Coverage
- Pomerania (Poland and Germany)17
- Belgium16
- Saxony (Germany)15
- Saxony-Anhalt (Germany)15
- South America15
- New England14
- Bavaria (Germany)13
- Mexico13
- North Rhine-Westphalia (Germany)13
- Japan12
- Portugal12
- Spain12
- Switzerland12
- Thuringia (Germany)12
- Ukraine12
- Asia11
- British Isles11
- Middle Atlantic States11
- North-Rhine-Westphalia (Germany)11
- Western Hemisphere11