| Value | Category | Cases | |
|---|---|---|---|
| 0 | 49 |
14.9%
|
|
| 1 | 120 |
36.5%
|
|
| 2 | 107 |
32.5%
|
|
| 3 | 53 |
16.1%
|
|
| Sysmiss | 104 |