| Value | Category | Cases | |
|---|---|---|---|
| -999 | Refused | 0 |
0%
|
| -888 | I don’t remember/don’t know | 0 |
0%
|
| 1 | Not very useful | 1 |
0.8%
|
| 2 | Somewhat useful | 6 |
4.7%
|
| 3 | Very useful | 122 |
94.6%
|
| Sysmiss | 6 |