| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -7 | Prices are regulated | 18 |
15.8%
|
| -6 | Prices set by HQ | 2 |
1.8%
|
| 1 | Yes | 23 |
20.2%
|
| 2 | No | 71 |
62.3%
|