| Value | Category | Cases | |
|---|---|---|---|
| 1 | about 25% | 54 |
18.4%
|
| 2 | about 50% | 51 |
17.3%
|
| 3 | about 75% | 21 |
7.1%
|
| 4 | 100% | 168 |
57.1%
|
| Sysmiss | 1668 |