| Value | Category | Cases | |
|---|---|---|---|
| 0 | nonresponse | 0 |
0%
|
| 1 | yes | 66 |
2.3%
|
| 2 | no | 2817 |
97.1%
|
| 9 | 18 |
0.6%
|
|
| Sysmiss | 99 |