| Value | Category | Cases | |
|---|---|---|---|
| 0 | 119 |
17.1%
|
|
| 1 | 55 |
7.9%
|
|
| 2 | 41 |
5.9%
|
|
| 3 | 247 |
35.4%
|
|
| 4 | 235 |
33.7%
|
|
| Sysmiss | 873 |