| United States of America (USA) | 387 donors |
| Germany | 61 donors |
| United Kingdom | 45 donors |
| Canada | 40 donors |
| Spain | 19 donors |
| Norway | 14 donors |
| Austria | 13 donors |
| France | 13 donors |
| Japan | 12 donors |
| Australia | 11 donors |
| Netherlands | 11 donors |
| Italy | 11 donors |
| Sweden | 10 donors |
| Belgium | 8 donors |
| China | 7 donors |
| Switzerland | 6 donors |
| Israel | 5 donors |
| Hong Kong | 5 donors |
| Denmark | 4 donors |
| Brazil | 4 donors |
| South Africa | 4 donors |
| Korea, South | 3 donors |
| Finland | 2 donors |
| Taiwan | 2 donors |
| Puerto Rico | 2 donors |
| New Zealand | 2 donors |
| Mexico | 2 donors |
| Luxembourg | 1 donor |
| Trinidad and Tobago | 1 donor |
| Poland | 1 donor |
| Saudi Arabia | 1 donor |
| Cyprus | 1 donor |
| Thailand | 1 donor |
| India | 1 donor |
| Singapore | 1 donor |
| Romania | 1 donor |
| Uruguay | 1 donor |
| Hungary | 1 donor |
| Estonia | 1 donor |
| Qatar | 1 donor |
| Bulgaria | 1 donor |