| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -7 | Prices are regulated | 213 |
35.3%
|
| -6 | Prices set by HQ | 47 |
7.8%
|
| 1 | Yes | 101 |
16.7%
|
| 2 | No | 242 |
40.1%
|
| Sysmiss | 416 |