| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1580 |
71.8%
|
|
| 1 | 179 |
8.1%
|
|
| 2 | 416 |
18.9%
|
|
| 8 | 27 |
1.2%
|
|
| Sysmiss | 48 |