| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0-5 | 1524 |
11.2%
|
| 2 | 6-11 | 1440 |
10.6%
|
| 3 | 12-23 | 2652 |
19.5%
|
| 4 | 24-35 | 2746 |
20.2%
|
| 5 | 36-47 | 2802 |
20.6%
|
| 6 | 48-59 | 2118 |
15.6%
|
| Sysmiss | 305 |
2.2%
|