| Value | Category | Cases | |
|---|---|---|---|
| 0 | 518 |
65.6%
|
|
| 1 | 149 |
18.9%
|
|
| 2 | 37 |
4.7%
|
|
| 3 | 86 |
10.9%
|
|
| Sysmiss | 905 |