| Value | Category | Cases | |
|---|---|---|---|
| 1 | 28 |
1.5%
|
|
| 2 | 224 |
11.7%
|
|
| 3 | 499 |
26.2%
|
|
| 4 | 1156 |
60.6%
|
|
| Sysmiss | 3668 |