| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
2.2%
|
| -7 | Service not offered (spontaneous) | 1 |
1.1%
|
| 1 | Not at all useful | 9 |
9.8%
|
| 2 | Not very useful | 10 |
10.9%
|
| 3 | Somewhat useful | 52 |
56.5%
|
| 4 | Very useful | 18 |
19.6%
|
| Sysmiss | 337 |