| Value | Category | Cases | |
|---|---|---|---|
| 1 | 477 |
3.7%
|
|
| 2 | 2714 |
20.9%
|
|
| 3 | 7001 |
53.9%
|
|
| 4 | 2786 |
21.5%
|
|
| Sysmiss | 3592 |