| Value | Category | Cases | |
|---|---|---|---|
| 0 | 48 |
6.9%
|
|
| 1 | 37 |
5.3%
|
|
| 2 | 30 |
4.3%
|
|
| 3 | 235 |
33.7%
|
|
| 4 | 347 |
49.8%
|
|
| Sysmiss | 873 |