| Value | Category | Cases | |
|---|---|---|---|
| 0 | 51 |
7.3%
|
|
| 1 | 25 |
3.6%
|
|
| 2 | 45 |
6.5%
|
|
| 3 | 216 |
31%
|
|
| 4 | 360 |
51.6%
|
|
| Sysmiss | 873 |