| Value | Category | Cases | |
|---|---|---|---|
| 1 | about 25% | 17 |
1.5%
|
| 2 | about 50% | 50 |
4.3%
|
| 3 | about 75% | 34 |
2.9%
|
| 4 | 100% | 1070 |
91.4%
|
| Sysmiss | 791 |