| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3588 |
11.5%
|
|
| 1 | Lowest | 2685 |
8.6%
|
| 2 | Second | 2111 |
6.8%
|
| 3 | Middle | 1707 |
5.5%
|
| 4 | Fourth | 1459 |
4.7%
|
| 5 | Highest | 1313 |
4.2%
|
| Sysmiss | 18220 |
58.6%
|