| Value | Category | Cases | |
|---|---|---|---|
| 0 | 8 |
22.9%
|
|
| 1 | 23 |
65.7%
|
|
| 2 | 3 |
8.6%
|
|
| 3 | 1 |
2.9%
|
|
| Sysmiss | 251 |