| Value | Category | Cases | |
|---|---|---|---|
| 1 | Same age | 46 |
15.6%
|
| 2 | Older | 218 |
73.9%
|
| 3 | Younger | 31 |
10.5%
|
| 8 | Unknown | 0 |
0%
|
| 9 | Missing | 0 | |
| Sysmiss | 691 |