| Value | Category | Cases | |
|---|---|---|---|
| 0 | 23 |
46.9%
|
|
| 1 | 10 |
20.4%
|
|
| 2 | 10 |
20.4%
|
|
| 3 | 4 |
8.2%
|
|
| 4 | 1 |
2%
|
|
| 21 | 1 |
2%
|
|
| Sysmiss | 1 |