| Value | Category | Cases | |
|---|---|---|---|
| 1 | about 25% | 13 |
7.5%
|
| 2 | about 50% | 5 |
2.9%
|
| 3 | about 75% | 2 |
1.1%
|
| 4 | 100% | 154 |
88.5%
|
| Sysmiss | 1788 |