| Value | Category | Cases | |
|---|---|---|---|
| 1 | High | 4 |
1.5%
|
| 2 | Average | 1 |
0.4%
|
| 3 | Low | 55 |
21.2%
|
| 4 | None | 199 |
76.8%
|
| Sysmiss | 49 |