| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 20 |
8.2%
|
| -7 | Service not offered (spontaneous) | 44 |
18%
|
| 1 | Not at all useful | 16 |
6.6%
|
| 2 | Not very useful | 23 |
9.4%
|
| 3 | Somewhat useful | 78 |
32%
|
| 4 | Very useful | 63 |
25.8%
|
| Sysmiss | 528 |