| Value | Category | Cases | |
|---|---|---|---|
| 0 | 433 |
61.9%
|
|
| 1 | 196 |
28%
|
|
| 2 | 53 |
7.6%
|
|
| 3 | 17 |
2.4%
|
|
| Sysmiss | 871 |