| Value | Category | Cases | |
|---|---|---|---|
| 0 | 487 |
10.1%
|
|
| 1 | 678 |
14%
|
|
| 2 | 787 |
16.2%
|
|
| 3 | 1525 |
31.5%
|
|
| 4 | 1368 |
28.2%
|
|
| Sysmiss | 3730 |