| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
0.5%
|
| -7 | Prices are regulated | 208 |
32.2%
|
| -6 | Prices set by HQ | 24 |
3.7%
|
| 1 | Yes | 120 |
18.6%
|
| 2 | No | 290 |
45%
|