| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 7 |
3.2%
|
| -7 | Service not offered (spontaneous) | 5 |
2.3%
|
| 1 | Not at all useful | 15 |
6.9%
|
| 2 | Not very useful | 18 |
8.3%
|
| 3 | Somewhat useful | 112 |
51.6%
|
| 4 | Very useful | 60 |
27.6%
|
| Sysmiss | 1152 |