| Value | Category | Cases | |
|---|---|---|---|
| 0 | 427 |
61.1%
|
|
| 1 | 205 |
29.3%
|
|
| 2 | 53 |
7.6%
|
|
| 3 | 14 |
2%
|
|
| Sysmiss | 871 |