| Value | Category | Cases | |
|---|---|---|---|
| 0 | 35 |
66%
|
|
| 1 | 15 |
28.3%
|
|
| 2 | 2 |
3.8%
|
|
| 3 | 1 |
1.9%
|
|
| Sysmiss | 197 |