| Value | Category | Cases | |
|---|---|---|---|
| 0 | 590 |
27.6%
|
|
| 1 | 174 |
8.1%
|
|
| 2 | 264 |
12.3%
|
|
| 3 | 201 |
9.4%
|
|
| 4 | 912 |
42.6%
|
|
| Sysmiss | 22 |