| Value | Category | Cases | |
|---|---|---|---|
| 1 | about 25% | 7 |
2.9%
|
| 2 | about 50% | 13 |
5.5%
|
| 3 | about 75% | 10 |
4.2%
|
| 4 | 100% | 208 |
87.4%
|
| Sysmiss | 1724 |