| Value | Category | Cases | |
|---|---|---|---|
| 0 | 15 |
2.7%
|
|
| 1 | 219 |
40%
|
|
| 2 | 266 |
48.5%
|
|
| 3 | 48 |
8.8%
|
|
| Sysmiss | 616 |