| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 8 |
2.4%
|
| 1 | The market is dominated by one firm | 36 |
10.8%
|
| 2 | The market is dominated by a few firms | 43 |
12.9%
|
| 3 | There is competition among many firms | 247 |
74%
|
| Sysmiss | 29 |