| Value | Category | Cases | |
|---|---|---|---|
| 1 | 10 or more years older | 47 |
45.6%
|
| 2 | less than 10 years older | 37 |
35.9%
|
| 8 | older, don't know difference | 19 |
18.4%
|
| Sysmiss | 11656 |