| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0-5 | 145 |
8.1%
|
| 2 | 6-11 | 177 |
9.9%
|
| 3 | 12-23 | 294 |
16.5%
|
| 4 | 24-35 | 302 |
17%
|
| 5 | 36-47 | 302 |
17%
|
| 6 | 48-59 | 319 |
17.9%
|
| Sysmiss | 242 |
13.6%
|