| Value | Category | Cases | |
|---|---|---|---|
| -9 | Missing | 0 |
0%
|
| -7 | Notappl | 0 |
0%
|
| 1 | Yes | 702 |
15.5%
|
| 2 | No | 3826 |
84.5%
|
| Sysmiss | 4047 |