| Value | Category | Cases | |
|---|---|---|---|
| 0 | 150 |
21.5%
|
|
| 1 | 59 |
8.5%
|
|
| 2 | 84 |
12.1%
|
|
| 3 | 219 |
31.4%
|
|
| 4 | 185 |
26.5%
|
|
| Sysmiss | 873 |