| Value | Category | Cases | |
|---|---|---|---|
| 0 | 30 |
23.1%
|
|
| 1 | 81 |
62.3%
|
|
| 2 | 15 |
11.5%
|
|
| 3 | 4 |
3.1%
|
|
| Sysmiss | 1 |