| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0-5 | 114 |
7.3%
|
| 2 | 6-11 | 149 |
9.5%
|
| 3 | 12-23 | 307 |
19.6%
|
| 4 | 24-35 | 291 |
18.6%
|
| 5 | 36-47 | 323 |
20.7%
|
| 6 | 48-59 | 322 |
20.6%
|
| Sysmiss | 58 |
3.7%
|