| Value | Category | Cases | |
|---|---|---|---|
| 0 | 39 |
14.3%
|
|
| 1 | 54 |
19.9%
|
|
| 2 | 59 |
21.7%
|
|
| 3 | 76 |
27.9%
|
|
| 4 | 44 |
16.2%
|
|
| Sysmiss | 12 |