| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0-5 | 239 |
10.9%
|
| 2 | 6-11 | 216 |
9.9%
|
| 3 | 12-23 | 453 |
20.7%
|
| 4 | 24-35 | 425 |
19.4%
|
| 5 | 36-47 | 419 |
19.1%
|
| 6 | 48-59 | 427 |
19.5%
|
| Sysmiss | 10 |
0.5%
|