| Value | Category | Cases | |
|---|---|---|---|
| 0 | 225 |
32.3%
|
|
| 1 | 50 |
7.2%
|
|
| 2 | 29 |
4.2%
|
|
| 3 | 159 |
22.8%
|
|
| 4 | 234 |
33.6%
|
|
| Sysmiss | 873 |