| Value | Category | Cases | |
|---|---|---|---|
| 1 | 487 |
3.8%
|
|
| 2 | 2831 |
21.8%
|
|
| 3 | 7071 |
54.5%
|
|
| 4 | 2586 |
19.9%
|
|
| Sysmiss | 3595 |