| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
1%
|
| -7 | Service not offered (spontaneous) | 4 |
1.3%
|
| 1 | Not at all useful | 60 |
19.6%
|
| 2 | Not very useful | 28 |
9.2%
|
| 3 | Somewhat useful | 85 |
27.8%
|
| 4 | Very useful | 126 |
41.2%
|
| Sysmiss | 933 |