| Value | Category | Cases | |
|---|---|---|---|
| 1 | about 25% | 13 |
8.3%
|
| 2 | about 50% | 9 |
5.8%
|
| 3 | about 75% | 11 |
7.1%
|
| 4 | 100% | 123 |
78.8%
|
| Sysmiss | 1806 |