| Value | Category | Cases | |
|---|---|---|---|
| 1 | 818 |
6.4%
|
|
| 2 | 3509 |
27.7%
|
|
| 3 | 6330 |
49.9%
|
|
| 4 | 2033 |
16%
|
|
| Sysmiss | 3880 |