| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0-5 | 1420 |
9.3%
|
| 2 | 6-11 | 1409 |
9.3%
|
| 3 | 12-23 | 2953 |
19.4%
|
| 4 | 24-35 | 2928 |
19.2%
|
| 5 | 36-47 | 3160 |
20.8%
|
| 6 | 48-59 | 3003 |
19.7%
|
| Sysmiss | 351 |
2.3%
|