| Value | Category | Cases | |
|---|---|---|---|
| 0 | nonresponse | 0 |
0%
|
| 1 | yes | 28 |
1%
|
| 2 | no | 2854 |
98.3%
|
| 9 | 20 |
0.7%
|
|
| Sysmiss | 98 |