| United States of America (USA) | 152 donors |
| Germany | 35 donors |
| United Kingdom | 15 donors |
| Canada | 14 donors |
| Spain | 13 donors |
| Belgium | 10 donors |
| Netherlands | 8 donors |
| Sweden | 7 donors |
| Australia | 7 donors |
| Italy | 7 donors |
| Japan | 5 donors |
| Russia | 5 donors |
| Poland | 4 donors |
| Norway | 4 donors |
| Switzerland | 4 donors |
| Austria | 4 donors |
| Israel | 3 donors |
| Singapore | 2 donors |
| China | 2 donors |
| New Zealand | 2 donors |
| South Africa | 2 donors |
| Hong Kong | 2 donors |
| France | 2 donors |
| India | 2 donors |
| Montenegro | 1 donor |
| Saudi Arabia | 1 donor |
| United Arab Emirates | 1 donor |
| Denmark | 1 donor |
| Lebanon | 1 donor |
| Finland | 1 donor |
| Azerbaijan | 1 donor |
| Lithuania | 1 donor |
| Iceland | 1 donor |
| Brazil | 1 donor |
| Korea, South | 1 donor |
| Slovenia | 1 donor |
| Bulgaria | 1 donor |
| Taiwan | 1 donor |