| Value | Category | Cases | |
|---|---|---|---|
| 1 | about 25% | 142 |
58%
|
| 2 | about 50% | 9 |
3.7%
|
| 3 | about 75% | 1 |
0.4%
|
| 4 | 100% | 93 |
38%
|
| Sysmiss | 1717 |