| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1685 |
10.6%
|
|
| 2 | 4540 |
28.5%
|
|
| 3 | 7094 |
44.5%
|
|
| 4 | 2633 |
16.5%
|
|
| Sysmiss | 488 |