| Value | Category | Cases | |
|---|---|---|---|
| 1 | about 25% | 24 |
5.4%
|
| 2 | about 50% | 45 |
10.1%
|
| 3 | about 75% | 23 |
5.2%
|
| 4 | 100% | 352 |
79.3%
|
| Sysmiss | 1518 |