| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 9 |
1.4%
|
| -7 | Prices are regulated | 169 |
26%
|
| -6 | Prices set by HQ | 50 |
7.7%
|
| 1 | Yes | 137 |
21.1%
|
| 2 | No | 284 |
43.8%
|