| Value | Category | Cases | |
|---|---|---|---|
| 0 | 586 |
74.2%
|
|
| 1 | 161 |
20.4%
|
|
| 2 | 21 |
2.7%
|
|
| 3 | 22 |
2.8%
|
|
| Sysmiss | 905 |