| Variable | Obs | Mean | Std. Dev. | Min | Max |
| e1 | 97 | 0 | 223.844 | −411.725 | 461.092 |
| e2 | 97 | 0 | 118.116 | −254.273 | 322.764 |
| e3 | 97 | 0 | 227.466 | −356.396 | 457.271 |