| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -7 | Prices are regulated | 9 |
5.6%
|
| -6 | Prices set by HQ | 0 |
0%
|
| 1 | Yes | 77 |
47.5%
|
| 2 | No | 76 |
46.9%
|