| Value | Category | Cases | |
|---|---|---|---|
| 0 | 553 |
61.2%
|
|
| 1 | 342 |
37.9%
|
|
| 2 | 7 |
0.8%
|
|
| 3 | 1 |
0.1%
|
|
| Sysmiss | 1295 |