| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
2.9%
|
|
| 1 | 22 |
32.4%
|
|
| 2 | 19 |
27.9%
|
|
| 3 | 14 |
20.6%
|
|
| 4 | 7 |
10.3%
|
|
| 5 | 4 |
5.9%
|
|
| Sysmiss | 12 |