| Value | Category | Cases | |
|---|---|---|---|
| 1 | about 25% | 48 |
3.5%
|
| 2 | about 50% | 41 |
3%
|
| 3 | about 75% | 36 |
2.6%
|
| 4 | 100% | 1239 |
90.8%
|
| Sysmiss | 598 |