| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2788 |
67.3%
|
|
| 1 | 517 |
12.5%
|
|
| 2 | 303 |
7.3%
|
|
| 3 | 360 |
8.7%
|
|
| 4 | 175 |
4.2%
|
|
| Sysmiss | 395 |