| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 16 |
1%
|
| -7 | Service not offered (spontaneous) | 104 |
6.7%
|
| 1 | Not at all useful | 364 |
23.6%
|
| 2 | Not very useful | 388 |
25.2%
|
| 3 | Somewhat useful | 399 |
25.9%
|
| 4 | Very useful | 270 |
17.5%
|
| Sysmiss | 122 |