| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0-11 | 6604 |
20%
|
| 2 | 12-23 | 6177 |
18.7%
|
| 3 | 24-35 | 6342 |
19.2%
|
| 4 | 36-47 | 6826 |
20.7%
|
| 5 | 48-59 | 7040 |
21.3%
|
| 8 | DK | 0 |
0%
|
| 9 | Missing | 0 |
0%
|
| Sysmiss | 409 |