| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -7 | Prices are regulated | 46 |
5%
|
| -6 | Prices set by HQ | 10 |
1.1%
|
| 1 | Yes | 239 |
26%
|
| 2 | No | 624 |
67.9%
|