| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 7 |
2.3%
|
| -7 | Service not offered (spontaneous) | 7 |
2.3%
|
| 1 | Not at all useful | 72 |
23.5%
|
| 2 | Not very useful | 29 |
9.5%
|
| 3 | Somewhat useful | 75 |
24.5%
|
| 4 | Very useful | 116 |
37.9%
|
| Sysmiss | 933 |