| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0-5 | 161 |
8.4%
|
| 2 | 6-11 | 198 |
10.3%
|
| 3 | 12-23 | 431 |
22.5%
|
| 4 | 24-35 | 421 |
22%
|
| 5 | 36-47 | 350 |
18.3%
|
| 6 | 48-59 | 355 |
18.5%
|
| Sysmiss | 6 |