| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 18 |
1.2%
|
| -7 | Service not offered (spontaneous) | 118 |
7.7%
|
| 1 | Not at all useful | 401 |
26%
|
| 2 | Not very useful | 428 |
27.8%
|
| 3 | Somewhat useful | 331 |
21.5%
|
| 4 | Very useful | 245 |
15.9%
|
| Sysmiss | 122 |