| Value | Category | Cases | |
|---|---|---|---|
| 0 | 148 |
79.1%
|
|
| 1 | 32 |
17.1%
|
|
| 2 | 6 |
3.2%
|
|
| 8 | 1 |
0.5%
|
|
| Sysmiss | 3 |