| Value | Category | Cases | |
|---|---|---|---|
| 1 | 452 |
2.9%
|
|
| 2 | 2607 |
17%
|
|
| 3 | 8711 |
56.7%
|
|
| 4 | 3587 |
23.4%
|
|
| Sysmiss | 1213 |