| Value | Category | Cases | |
|---|---|---|---|
| 0 | 67 |
5.2%
|
|
| 1 | 670 |
52.3%
|
|
| 2 | 482 |
37.6%
|
|
| 3 | 63 |
4.9%
|
|
| Sysmiss | 281 |