| Value | Category | Cases | |
|---|---|---|---|
| -99 | 1 | 0 |
0%
|
| 0 | 2 | 18 |
36.7%
|
| 1 | 3 | 31 |
63.3%
|
| Sysmiss | 4 | 0 | |
| Sysmiss | 5 | 0 | |
| Sysmiss | 6 | 0 | |
| Sysmiss | 4408 |