| Value | Category | Cases | |
|---|---|---|---|
| 0 | 781 |
97.1%
|
|
| 1 | 20 |
2.5%
|
|
| 2 | 2 |
0.2%
|
|
| 3 | 1 |
0.1%
|
|
| Sysmiss | 823 |