| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
3.1%
|
|
| 1 | 12 |
37.5%
|
|
| 2 | 9 |
28.1%
|
|
| 3 | 3 |
9.4%
|
|
| 4 | 2 |
6.3%
|
|
| 5 | 2 |
6.3%
|
|
| 8 | 2 |
6.3%
|
|
| 20 | 1 |
3.1%
|
|
| Sysmiss | 198 |