| Value | Category | Cases | |
|---|---|---|---|
| 0 | 19 |
86.4%
|
|
| 9 | 1 |
4.5%
|
|
| 10 | 1 |
4.5%
|
|
| 12 | 1 |
4.5%
|
|
| Sysmiss | 76 |