| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1170 |
53.1%
|
|
| 1 | 818 |
37.1%
|
|
| 2 | 197 |
8.9%
|
|
| 8 | 17 |
0.8%
|
|
| Sysmiss | 48 |