| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
0.6%
|
| 1 | The market is dominated by one firm | 11 |
3.2%
|
| 2 | The market is dominated by a few firms | 86 |
25.1%
|
| 3 | There is competition among many firms | 243 |
71.1%
|