| Value | Category | Cases | |
|---|---|---|---|
| 0 | 939 |
42.8%
|
|
| 1 | 270 |
12.3%
|
|
| 2 | 698 |
31.8%
|
|
| 3 | 287 |
13.1%
|
|
| Sysmiss | 6 |