| Value | Category | Cases | |
|---|---|---|---|
| 1 | about 25% | 19 |
8.8%
|
| 2 | about 50% | 6 |
2.8%
|
| 3 | about 75% | 6 |
2.8%
|
| 4 | 100% | 186 |
85.7%
|
| Sysmiss | 1745 |