| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 601 |
15.9%
|
| 1 | Profit | 2110 |
55.9%
|
| 2 | Loss | 292 |
7.7%
|
| 3 | Zero profit | 772 |
20.5%
|