| Value | Category | Cases | |
|---|---|---|---|
| 1 | 4 |
9.1%
|
|
| 2 | 11 |
25%
|
|
| 3 | 28 |
63.6%
|
|
| 99 | 1 |
2.3%
|
|
| Sysmiss | 28 |