| Value | Category | Cases | |
|---|---|---|---|
| 0 | 136 |
8.8%
|
|
| 1 | 366 |
23.6%
|
|
| 2 | 893 |
57.5%
|
|
| 3 | 158 |
10.2%
|
|
| Sysmiss | 16991 |