| Value | Category | Cases | |
|---|---|---|---|
| 0 | 251 |
11.4%
|
|
| 1 | 793 |
36%
|
|
| 2 | 790 |
35.9%
|
|
| 3 | 366 |
16.6%
|
|
| Sysmiss | 50 |