| Value | Category | Cases | |
|---|---|---|---|
| 0 | 52 |
91.2%
|
|
| 1 | 2 |
3.5%
|
|
| 7 | 2 |
3.5%
|
|
| 8 | 1 |
1.8%
|
|
| Sysmiss | 1 |