| Value | Category | Cases | |
|---|---|---|---|
| 1 | High | 2 |
0.7%
|
| 2 | Average | 9 |
3.3%
|
| 3 | Low | 121 |
45%
|
| 4 | None | 137 |
50.9%
|
| Sysmiss | 53 |