| Value | Category | Cases | |
|---|---|---|---|
| 1 | Lowest | 240 |
11.3%
|
| 2 | Low | 601 |
28.3%
|
| 3 | Middle | 517 |
24.3%
|
| 4 | High | 374 |
17.6%
|
| 5 | Highest | 395 |
18.6%
|
| Sysmiss | 73 |