| Value | Category | Cases | |
|---|---|---|---|
| 0 | 66 |
71.7%
|
|
| 1 | 17 |
18.5%
|
|
| 2 | 7 |
7.6%
|
|
| 3 | 2 |
2.2%
|
|
| Sysmiss | 114 |