| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
0.5%
|
| -7 | Service not offered (spontaneous) | 0 |
0%
|
| 1 | Not at all useful | 206 |
51.5%
|
| 2 | Not very useful | 71 |
17.8%
|
| 3 | Somewhat useful | 99 |
24.8%
|
| 4 | Very useful | 22 |
5.5%
|
| Sysmiss | 4 |