| Value | Category | Cases | |
|---|---|---|---|
| 1 | about 25% | 13 |
2.6%
|
| 2 | about 50% | 19 |
3.8%
|
| 3 | about 75% | 24 |
4.8%
|
| 4 | 100% | 439 |
88.7%
|
| Sysmiss | 1467 |