| Value | Category | Cases | |
|---|---|---|---|
| 0 | 41 |
15%
|
|
| 1 | 38 |
13.9%
|
|
| 2 | 55 |
20.1%
|
|
| 3 | 75 |
27.5%
|
|
| 4 | 64 |
23.4%
|
|
| Sysmiss | 11 |