| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 3403 |
75.7%
|
| 2 | no | 528 |
11.7%
|
| 3 | 1 |
0%
|
|
| 77 | don't know | 565 |
12.6%
|
| Sysmiss | 3 |