| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0-11 | 1473 |
19.5%
|
| 2 | 12-23 | 1409 |
18.7%
|
| 3 | 24-35 | 1472 |
19.5%
|
| 4 | 36-47 | 1529 |
20.3%
|
| 5 | 48-59 | 1601 |
21.2%
|
| Sysmiss | 52 |
0.7%
|