| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0-11 | 3262 |
19.6%
|
| 2 | 12-23 | 3205 |
19.3%
|
| 3 | 24-35 | 3142 |
18.9%
|
| 4 | 36-47 | 3624 |
21.8%
|
| 5 | 48-59 | 3390 |
20.4%
|
| Sysmiss | 66 |