| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 4 |
1.3%
|
| -7 | Service not offered (spontaneous) | 3 |
1%
|
| 1 | Not at all useful | 52 |
17%
|
| 2 | Not very useful | 38 |
12.4%
|
| 3 | Somewhat useful | 63 |
20.6%
|
| 4 | Very useful | 146 |
47.7%
|
| Sysmiss | 933 |