| Value | Category | Cases | |
|---|---|---|---|
| 0 | 143 |
30.3%
|
|
| 1 | 70 |
14.8%
|
|
| 2 | 149 |
31.6%
|
|
| 3 | 110 |
23.3%
|
|
| Sysmiss | 32 |