| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 16 |
1%
|
| -7 | Service not offered (spontaneous) | 126 |
8.2%
|
| 1 | Not at all useful | 376 |
24.4%
|
| 2 | Not very useful | 401 |
26%
|
| 3 | Somewhat useful | 371 |
24.1%
|
| 4 | Very useful | 251 |
16.3%
|
| Sysmiss | 122 |