| Single-Person and Multi-Person Decision Theory Recent countries visiting this post |  |
 | 65 | United States |
 | 7 | Australia |
 | 4 | China |
 | 2 | |
 | 1 | Russian Federation |
 | 1 | Canada |
 | 1 | Turkey |
| Single-Person and Multi-Person Decision Theory Recent countries visiting this post | |
| 65 | United States |
| 7 | Australia |
| 4 | China |
| 2 | |
| 1 | Russian Federation |
| 1 | Canada |
| 1 | Turkey |