| Value | Category | Cases | |
|---|---|---|---|
| -9 | missing | 0 |
0%
|
| -8 | dont know | 0 |
0%
|
| -7 | na | 0 |
0%
|
| 0 | no | 28 |
14.1%
|
| 1 | yes | 170 |
85.9%
|
| Sysmiss | 1 |