| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 |
10.5%
|
|
| 1 | 8 |
21.1%
|
|
| 2 | 4 |
10.5%
|
|
| 3 | 3 |
7.9%
|
|
| 4 | 2 |
5.3%
|
|
| 96 | 96. Not applicable | 17 |
44.7%
|
| Sysmiss | 61 |