| Collected from 36 countries. Top 20:
Show All Countries  |
| United Kingdom | 198 | India | 9 | Nepal | 4 | | Canada | 107 | France | 9 | Panama | 3 | | United States | 59 | Ireland | 8 | Namibia | 3 | | China | 55 | Spain | 7 | Mexico | 3 | | Norway | 42 | Portugal | 7 | Saint Helena | 2 | | Netherlands | 21 | Switzerland | 7 | Venezuela | 2 | | Bhutan | 18 | Sweden | 4 | | |
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