| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0-11 | 280 |
14.2%
|
| 2 | 12-23 | 384 |
19.5%
|
| 3 | 24-35 | 412 |
20.9%
|
| 4 | 36-47 | 392 |
19.9%
|
| 5 | 48-59 | 370 |
18.8%
|
| Sysmiss | 129 |
6.6%
|