2021 Biennial Meeting Data
| Country | Number of attendees |
|---|---|
| Argentina | 25 |
| Australia | 17 |
| Austria | 4 |
| Belgium | 15 |
| Botswana | 1 |
| Brazil | 70 |
| Bulgaria | 1 |
| Canada | 23 |
| Chile | 7 |
| China | 3 |
| Croatia | 13 |
| Czech Republic | 23 |
| Denmark | 12 |
| Estonia | 6 |
| Finland | 16 |
| France | 39 |
| Germany | 33 |
| Greece | 23 |
| Hong Kong | 2 |
| Hungary | 5 |
| Ireland | 15 |
| Israel | 26 |
| Italy | 79 |
| Japan | 3 |
| Latvia | 6 |
| Lebanon | 4 |
| Lithuania | 11 |
| Luxembourg | 6 |
| Mexico | 9 |
| Netherlands | 9 |
| New Zealand | 1 |
| Norway | 1 |
| Poland | 6 |
| Portugal | 10 |
| Romania | 8 |
| Russian Federation | 3 |
| Serbia | 4 |
| Slovakia | 2 |
| South Africa | 5 |
| Spain | 64 |
| Sweden | 16 |
| Switzerland | 12 |
| Thailand | 9 |
| Turkey | 1 |
| Ukraine | 1 |
| United Kingdom | 42 |
| Urugauay | 4 |
| United States | 208 |