| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1741 |
10.9%
|
|
| 2 | 4487 |
28.1%
|
|
| 3 | 6786 |
42.5%
|
|
| 4 | 2944 |
18.4%
|
|
| Sysmiss | 482 |