| Value | Category | Cases | |
|---|---|---|---|
| 0 | 15 |
23.8%
|
|
| 1 | 13 |
20.6%
|
|
| 2 | 22 |
34.9%
|
|
| 3 | 5 |
7.9%
|
|
| 4 | 6 |
9.5%
|
|
| 5 | 1 |
1.6%
|
|
| 29 | 1 |
1.6%
|
|
| Sysmiss | 9 |