| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, all of them do | 1444 |
94.1%
|
| 2 | Some do, some do not | 61 |
4%
|
| 3 | None | 27 |
1.8%
|
| 9 | Missing | 3 |
0.2%
|
| Sysmiss | 256 |