| Value | Category | Cases | |
|---|---|---|---|
| 1 | about 25% | 1 |
3.2%
|
| 2 | about 50% | 9 |
29%
|
| 3 | about 75% | 4 |
12.9%
|
| 4 | 100% | 17 |
54.8%
|
| Sysmiss | 1931 |