| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, all of them do | 1490 |
97.1%
|
| 2 | Some do, some do not | 29 |
1.9%
|
| 3 | None | 15 |
1%
|
| 9 | Missing | 1 |
0.1%
|
| Sysmiss | 256 |