| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 5 |
0.4%
|
| -7 | Prices are regulated | 434 |
30.6%
|
| -6 | Prices set by HQ | 57 |
4%
|
| 1 | Yes | 314 |
22.2%
|
| 2 | No | 606 |
42.8%
|