| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -7 | Service not offered (spontaneous) | 1 |
0.4%
|
| 1 | Not at all useful | 12 |
5.4%
|
| 2 | Not very useful | 36 |
16.1%
|
| 3 | Somewhat useful | 123 |
55.2%
|
| 4 | Very useful | 51 |
22.9%
|
| Sysmiss | 137 |