| Value | Category | Cases | |
|---|---|---|---|
| 0 | 31 |
56.4%
|
|
| 1 | 20 |
36.4%
|
|
| 2 | 3 |
5.5%
|
|
| 3 | 1 |
1.8%
|
|
| Sysmiss | 173 |