| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 17 |
1.1%
|
| -7 | Service not offered (spontaneous) | 117 |
7.6%
|
| 1 | Not at all useful | 364 |
23.6%
|
| 2 | Not very useful | 434 |
28.2%
|
| 3 | Somewhat useful | 411 |
26.7%
|
| 4 | Very useful | 198 |
12.8%
|
| Sysmiss | 122 |