| Value | Category | Cases | |
|---|---|---|---|
| 0 | 335 |
35.8%
|
|
| 1 | 232 |
24.8%
|
|
| 2 | 233 |
24.9%
|
|
| 3 | 136 |
14.5%
|
|
| Sysmiss | 2066 |