| Value | Category | Cases | |
|---|---|---|---|
| 1 | 538 |
4%
|
|
| 2 | 2910 |
21.5%
|
|
| 3 | 7509 |
55.4%
|
|
| 4 | 2598 |
19.2%
|
|
| Sysmiss | 732 |