| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 4 |
0%
|
| -8 | Refused | 10 |
0.1%
|
| -5 | Not applicable | 0 |
0%
|
| -3 | Missing | 12 |
0.1%
|
| 1 | Yes | 33 |
0.3%
|
| 2 | No | 10780 |
99.5%
|
| Sysmiss | 2880 |