| Value | Category | Cases | |
|---|---|---|---|
| 0 | 662 |
77.4%
|
|
| 1 | 159 |
18.6%
|
|
| 2 | 27 |
3.2%
|
|
| 3 | 7 |
0.8%
|
|
| Sysmiss | 426 |