| Value | Category | Cases | |
|---|---|---|---|
| 1 | 642 |
5.1%
|
|
| 2 | 2551 |
20.1%
|
|
| 3 | 6701 |
52.8%
|
|
| 4 | 2805 |
22.1%
|
|
| Sysmiss | 3871 |