| Value | Category | Cases | |
|---|---|---|---|
| 0 | 17 |
5.2%
|
|
| 1 | 163 |
49.5%
|
|
| 2 | 110 |
33.4%
|
|
| 3 | 39 |
11.9%
|
|
| Sysmiss | 104 |