| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2 |
1.7%
|
|
| 2 | 11 |
9.2%
|
|
| 3 | 82 |
68.9%
|
|
| 4 | 24 |
20.2%
|
|
| Sysmiss | 3 |