| Value | Category | Cases | |
|---|---|---|---|
| -99 | No response | 418 |
12.3%
|
| -88 | Doesn | 147 |
4.3%
|
| 0 | Inappropriate response | 644 |
18.9%
|
| 1 | Appropriate response | 2198 |
64.5%
|
| Sysmiss | 460 |