| Value | Category | Cases | |
|---|---|---|---|
| 0 | 22 |
47.8%
|
|
| 1 | 15 |
32.6%
|
|
| 2 | 8 |
17.4%
|
|
| 3 | 1 |
2.2%
|
|
| Sysmiss | 68 |