| Value | Category | Cases | |
|---|---|---|---|
| 1 | about 25% | 58 |
17%
|
| 2 | about 50% | 45 |
13.2%
|
| 3 | about 75% | 18 |
5.3%
|
| 4 | 100% | 221 |
64.6%
|
| Sysmiss | 1620 |