| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -7 | Service not offered (spontaneous) | 0 |
0%
|
| 1 | Not at all useful | 0 |
0%
|
| 2 | Not very useful | 0 |
0%
|
| 3 | Somewhat useful | 0 |
0%
|
| 4 | Very useful | 3 |
100%
|
| Sysmiss | 117 |