| Value | Category | Cases | |
|---|---|---|---|
| 0 | 219 |
20.9%
|
|
| 1 | 506 |
48.3%
|
|
| 2 | 315 |
30.1%
|
|
| 777 | 7 |
0.7%
|
|
| Sysmiss | 648 |