| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0-11 | 1512 |
20%
|
| 2 | 12-23 | 1451 |
19.2%
|
| 3 | 24-35 | 1518 |
20.1%
|
| 4 | 36-47 | 1599 |
21.2%
|
| 5 | 48-59 | 1470 |
19.5%
|
| Sysmiss | 76 |