| Value | Category | Cases | |
|---|---|---|---|
| 0 | 507 |
64.2%
|
|
| 1 | 176 |
22.3%
|
|
| 2 | 66 |
8.4%
|
|
| 3 | 41 |
5.2%
|
|
| Sysmiss | 905 |