| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
1.3%
|
|
| 1 | 41 |
52.6%
|
|
| 2 | 6 |
7.7%
|
|
| 9 | 30 |
38.5%
|
|
| Sysmiss | 284 |