| Value | Category | Cases | |
|---|---|---|---|
| 0 | 552 |
69.9%
|
|
| 1 | 174 |
22%
|
|
| 2 | 39 |
4.9%
|
|
| 3 | 25 |
3.2%
|
|
| Sysmiss | 905 |