| Value | Category | Cases | |
|---|---|---|---|
| 0 | 467 |
66.8%
|
|
| 1 | 54 |
7.7%
|
|
| 2 | 29 |
4.1%
|
|
| 3 | 149 |
21.3%
|
|
| Sysmiss | 871 |