| Value | Category | Cases | |
|---|---|---|---|
| 0 | 76 |
5.4%
|
|
| 1 | 80 |
5.7%
|
|
| 2 | 44 |
3.2%
|
|
| 3 | 431 |
30.9%
|
|
| 4 | 765 |
54.8%
|
|
| Sysmiss | 174 |