| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1540 |
69.9%
|
|
| 1 | 516 |
23.4%
|
|
| 2 | 113 |
5.1%
|
|
| 8 | 33 |
1.5%
|
|
| Sysmiss | 48 |