| Value | Category | Cases | |
|---|---|---|---|
| 0 | 549 |
69.5%
|
|
| 1 | 179 |
22.7%
|
|
| 2 | 32 |
4.1%
|
|
| 3 | 30 |
3.8%
|
|
| Sysmiss | 905 |