| United States of America (USA) | 95 donors |
| United Kingdom | 15 donors |
| Germany | 11 donors |
| Canada | 8 donors |
| Netherlands | 6 donors |
| Japan | 5 donors |
| Australia | 5 donors |
| Spain | 5 donors |
| Austria | 4 donors |
| Norway | 3 donors |
| Switzerland | 3 donors |
| Sweden | 3 donors |
| Israel | 2 donors |
| Belgium | 2 donors |
| Italy | 2 donors |
| Russia | 2 donors |
| France | 1 donor |
| Serbia | 1 donor |
| Korea, South | 1 donor |
| South Africa | 1 donor |
| Pakistan | 1 donor |
| Chile | 1 donor |
| China | 1 donor |
| Thailand | 1 donor |
| Slovenia | 1 donor |
| India | 1 donor |