| Value | Category | Cases | |
|---|---|---|---|
| 0 | 627 |
79.4%
|
|
| 1 | 106 |
13.4%
|
|
| 2 | 34 |
4.3%
|
|
| 3 | 22 |
2.8%
|
|
| 888 | 1 |
0.1%
|
|
| Sysmiss | 905 |