| Value | Category | Cases | |
|---|---|---|---|
| 1 | about 25% | 3 |
3.5%
|
| 2 | about 50% | 3 |
3.5%
|
| 3 | about 75% | 3 |
3.5%
|
| 4 | 100% | 76 |
89.4%
|
| Sysmiss | 1877 |