| Value | Category | Cases | |
|---|---|---|---|
| 0 | 271 |
57.5%
|
|
| 1 | 41 |
8.7%
|
|
| 2 | 62 |
13.2%
|
|
| 3 | 97 |
20.6%
|
|
| Sysmiss | 135 |