| Value | Category | Cases | |
|---|---|---|---|
| 0 | 11 |
10.3%
|
|
| 1 | 66 |
61.7%
|
|
| 2 | 23 |
21.5%
|
|
| 3 | 4 |
3.7%
|
|
| 8 | 3 |
2.8%
|
|
| Sysmiss | 2742 |