| Value | Category | Cases | |
|---|---|---|---|
| 0 | 131 |
4%
|
|
| 1 | 1017 |
30.9%
|
|
| 2 | 387 |
11.8%
|
|
| 3 | 995 |
30.3%
|
|
| 4 | 758 |
23.1%
|
|
| Sysmiss | 1594 |