| Value | Category | Cases | |
|---|---|---|---|
| 0 | 198 |
40.7%
|
|
| 1 | 91 |
18.7%
|
|
| 2 | 164 |
33.7%
|
|
| 3 | 33 |
6.8%
|
|
| Sysmiss | 139 |