| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0-5 | 4588 |
11.5%
|
| 2 | 6-11 | 3522 |
8.8%
|
| 3 | 12-23 | 7842 |
19.7%
|
| 4 | 24-35 | 7827 |
19.7%
|
| 5 | 36-47 | 8322 |
20.9%
|
| 6 | 48-59 | 7674 |
19.3%
|
| 9 | No information | 24 |
0.1%
|
| Sysmiss | 2609 |