| Value | Category | Cases | |
|---|---|---|---|
| 1 | Ten or more years older | 30 |
32.3%
|
| 2 | Less than ten years older | 50 |
53.8%
|
| 3 | Older, unsure how much | 13 |
14%
|
| 9 | 3 | ||
| Sysmiss | 14813 |