| Value | Category | Cases | |
|---|---|---|---|
| 1 | about 25% | 322 |
71.2%
|
| 2 | about 50% | 16 |
3.5%
|
| 3 | about 75% | 6 |
1.3%
|
| 4 | 100% | 108 |
23.9%
|
| Sysmiss | 1510 |