| United States of America (USA) | 182 donors |
| Germany | 31 donors |
| Canada | 25 donors |
| United Kingdom | 25 donors |
| Italy | 13 donors |
| Spain | 11 donors |
| Australia | 11 donors |
| Japan | 8 donors |
| Switzerland | 7 donors |
| Netherlands | 7 donors |
| Sweden | 7 donors |
| Austria | 6 donors |
| Israel | 4 donors |
| France | 4 donors |
| Norway | 4 donors |
| Belgium | 3 donors |
| China | 3 donors |
| Hungary | 3 donors |
| Taiwan | 2 donors |
| Poland | 2 donors |
| Singapore | 2 donors |
| Korea, South | 2 donors |
| Russia | 2 donors |
| Ireland | 1 donor |
| South Africa | 1 donor |
| Colombia | 1 donor |
| New Zealand | 1 donor |
| Croatia | 1 donor |
| Slovenia | 1 donor |
| India | 1 donor |
| Kuwait | 1 donor |
| Thailand | 1 donor |
| Brazil | 1 donor |
| Hong Kong | 1 donor |
| Bulgaria | 1 donor |
| Chile | 1 donor |
| Finland | 1 donor |
| Serbia | 1 donor |
| Pakistan | 1 donor |
| Bosnia and Herzegovina | 1 donor |
| Portugal | 1 donor |
| Mexico | 1 donor |