| Value | Category | Cases | |
|---|---|---|---|
| 1 | about 25% | 1 |
2.9%
|
| 2 | about 50% | 6 |
17.6%
|
| 3 | about 75% | 3 |
8.8%
|
| 4 | 100% | 24 |
70.6%
|
| Sysmiss | 1928 |