| Value | Category | Cases | |
|---|---|---|---|
| 0 | 156 |
63.7%
|
|
| 1 | 36 |
14.7%
|
|
| 2 | 20 |
8.2%
|
|
| 3 | 16 |
6.5%
|
|
| 4 | 17 |
6.9%
|
|
| Sysmiss | 39 |