| Value | Category | Cases | |
|---|---|---|---|
| 1 | about 25% | 17 |
9.2%
|
| 2 | about 50% | 4 |
2.2%
|
| 3 | about 75% | 1 |
0.5%
|
| 4 | 100% | 163 |
88.1%
|
| Sysmiss | 1777 |