| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0-5 | 176 |
9.5%
|
| 2 | 6-11 | 156 |
8.4%
|
| 3 | 12-23 | 349 |
18.8%
|
| 4 | 24-35 | 405 |
21.8%
|
| 5 | 36-47 | 353 |
19%
|
| 6 | 48-59 | 403 |
21.7%
|
| Sysmiss | 17 |
0.9%
|