| Value | Category | Cases | |
|---|---|---|---|
| 0 | 7618 |
12.4%
|
|
| 1 | Lowest | 5845 |
9.5%
|
| 2 | Second | 6471 |
10.6%
|
| 3 | Middle | 6780 |
11.1%
|
| 4 | Fourth | 7189 |
11.7%
|
| 5 | Highest | 7299 |
11.9%
|
| Sysmiss | 20084 |
32.8%
|