| Value | Category | Cases | |
|---|---|---|---|
| 1 | about 25% | 0 |
0%
|
| 2 | about 50% | 0 |
0%
|
| 3 | about 75% | 0 |
0%
|
| 4 | 100% | 1 |
100%
|
| Sysmiss | 1961 |