| Value | Category | Cases | |
|---|---|---|---|
| 1 | about 25% | 14 |
6.7%
|
| 2 | about 50% | 5 |
2.4%
|
| 3 | about 75% | 7 |
3.3%
|
| 4 | 100% | 184 |
87.6%
|
| Sysmiss | 1752 |