| Value | Category | Cases | |
|---|---|---|---|
| 0 | 148 |
79.1%
|
|
| 1 | 37 |
19.8%
|
|
| 2 | 1 |
0.5%
|
|
| 8 | 1 |
0.5%
|
|
| Sysmiss | 3 |