| Value | Category | Cases | |
|---|---|---|---|
| 0 | 24 |
3%
|
|
| 1 | 19 |
2.4%
|
|
| 2 | 95 |
11.8%
|
|
| 3 | 254 |
31.5%
|
|
| 4 | 414 |
51.4%
|
|
| Sysmiss | 889 |