| Value | Category | Cases | |
|---|---|---|---|
| 1 | 512 |
3.9%
|
|
| 2 | 2798 |
21.6%
|
|
| 3 | 7020 |
54.1%
|
|
| 4 | 2649 |
20.4%
|
|
| Sysmiss | 3591 |