| Value | Category | Cases | |
|---|---|---|---|
| 1 | 19 |
3%
|
|
| 2 | 487 |
77.7%
|
|
| 3 | 28 |
4.5%
|
|
| 4 | 55 |
8.8%
|
|
| Sysmiss | 38 |