| Value | Category | Cases | |
|---|---|---|---|
| -9 | Refuse to answer | 0 |
0%
|
| -8 | I don't know | 0 |
0%
|
| 0 | No | 365 |
25.9%
|
| 1 | Yes | 992 |
70.4%
|
| 2 | Not applicable | 53 |
3.8%
|
| Sysmiss | 1394 |