| Value | Category | Cases | |
|---|---|---|---|
| 0 | 174 |
17.1%
|
|
| 1 | 408 |
40%
|
|
| 2 | 433 |
42.5%
|
|
| 777 | 4 |
0.4%
|
|
| Sysmiss | 576 |