| Value | Category | Cases | |
|---|---|---|---|
| -1 | missing value | 11 |
0.9%
|
| 0 | no | 74 |
6.2%
|
| 1 | yes | 106 |
8.8%
|
| 7 | not applicable | 1002 |
83.5%
|
| 9 | don't know | 7 |
0.6%
|