| Value | Category | Cases | |
|---|---|---|---|
| 1 | 10 or more years older | 418 |
41.8%
|
| 2 | less than 10 years older | 449 |
44.9%
|
| 8 | older, don't know difference | 134 |
13.4%
|
| Sysmiss | 34782 |