| Value | Category | Cases | |
|---|---|---|---|
| 1 | about 25% | 15 |
38.5%
|
| 2 | about 50% | 9 |
23.1%
|
| 3 | about 75% | 7 |
17.9%
|
| 4 | 100% | 8 |
20.5%
|
| Sysmiss | 1923 |