| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2431 |
73.5%
|
|
| 1 | 598 |
18.1%
|
|
| 2 | 242 |
7.3%
|
|
| 9 | 38 |
1.1%
|
|
| Sysmiss | 18 |