| Value | Category | Cases | |
|---|---|---|---|
| 0 | 33 |
73.3%
|
|
| 1 | 8 |
17.8%
|
|
| 2 | 3 |
6.7%
|
|
| 3 | 1 |
2.2%
|
|
| Sysmiss | 69 |