| Value | Category | Cases | |
|---|---|---|---|
| 0 | 58 |
89.2%
|
|
| 1 | 5 |
7.7%
|
|
| 2 | 1 |
1.5%
|
|
| 4 | 1 |
1.5%
|
|
| Sysmiss | 33 |