| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0-5 | 2402 |
9.4%
|
| 2 | 6-11 | 1538 |
6%
|
| 3 | 12-23 | 4005 |
15.7%
|
| 4 | 24-35 | 5463 |
21.5%
|
| 5 | 36-47 | 5891 |
23.2%
|
| 6 | 48-59 | 6143 |
24.1%
|
| Sysmiss | 196 |