| Value | Category | Cases | |
|---|---|---|---|
| -9 | missing | 11 |
0.3%
|
| -8 | dont know | 0 |
0%
|
| -7 | na | 0 |
0%
|
| 1 | yes | 2117 |
65.1%
|
| 2 | no | 1124 |
34.6%
|
| Sysmiss | 10 |