| Value | Category | Cases | |
|---|---|---|---|
| 0 | 587 |
74.3%
|
|
| 1 | 130 |
16.5%
|
|
| 2 | 43 |
5.4%
|
|
| 3 | 30 |
3.8%
|
|
| Sysmiss | 905 |