| Value | Category | Cases | |
|---|---|---|---|
| 0 | 422 |
53.4%
|
|
| 1 | 262 |
33.2%
|
|
| 2 | 75 |
9.5%
|
|
| 3 | 31 |
3.9%
|
|
| Sysmiss | 905 |