| Value | Category | Cases | |
|---|---|---|---|
| 0 | 142 |
20.4%
|
|
| 1 | 44 |
6.3%
|
|
| 2 | 79 |
11.3%
|
|
| 3 | 207 |
29.7%
|
|
| 4 | 225 |
32.3%
|
|
| Sysmiss | 873 |