| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0-11 | 1739 |
17.1%
|
| 2 | 12-23 | 1895 |
18.7%
|
| 3 | 24-35 | 1969 |
19.4%
|
| 4 | 36-47 | 2190 |
21.6%
|
| 5 | 48-59 | 2114 |
20.8%
|
| Sysmiss | 249 |
2.5%
|