| Value | Category | Cases | |
|---|---|---|---|
| 1 | More than five years younger | 13 |
4%
|
| 2 | Between 1 and 5 years younger | 208 |
64.4%
|
| 3 | About the same age | 35 |
10.8%
|
| 4 | Between 1 and 5 years older | 51 |
15.8%
|
| 5 | More than five years older | 3 |
0.9%
|
| 9 | Missing | 13 |
4%
|
| Sysmiss | 860 |