| Value | Category | Cases | |
|---|---|---|---|
| 1 | 27 |
3%
|
|
| 2 | 66 |
7.4%
|
|
| 3 | 267 |
30.1%
|
|
| 4 | 527 |
59.4%
|
|
| Sysmiss | 493 |