| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 19 |
1.3%
|
| -7 | Prices are regulated | 210 |
13.8%
|
| -6 | Prices set by HQ | 135 |
8.9%
|
| 1 | Yes | 97 |
6.4%
|
| 2 | No | 1057 |
69.6%
|