| Value | Category | Cases | |
|---|---|---|---|
| 0 | 15 |
78.9%
|
|
| 1 | 2 |
10.5%
|
|
| 3 | 1 |
5.3%
|
|
| 4 | 1 |
5.3%
|
|
| Sysmiss | 17 |