| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2657 |
23.6%
|
|
| 1 | 2119 |
18.8%
|
|
| 2 | 2323 |
20.6%
|
|
| 3 | 2302 |
20.4%
|
|
| 4 | 1709 |
15.2%
|
|
| Sysmiss | 163 |