| Value | Category | Cases | |
|---|---|---|---|
| 0 | 146 |
33.3%
|
|
| 1 | 152 |
34.7%
|
|
| 2 | 117 |
26.7%
|
|
| 3 | 23 |
5.3%
|
|
| Sysmiss | 31 |