| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0-5 | 961 |
10.6%
|
| 2 | 6-11 | 839 |
9.3%
|
| 3 | 12-23 | 1688 |
18.7%
|
| 4 | 24-35 | 1732 |
19.2%
|
| 5 | 36-47 | 1889 |
20.9%
|
| 6 | 48-59 | 1814 |
20.1%
|
| Sysmiss | 114 |
1.3%
|