| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, all of them do | 484 |
31.5%
|
| 2 | Some do, some do not | 200 |
13%
|
| 3 | None | 849 |
55.3%
|
| 9 | Missing | 2 |
0.1%
|
| Sysmiss | 256 |