| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 10 |
0.1%
|
| -8 | Refused | 9 |
0.1%
|
| -5 | Not applicable | 0 |
0%
|
| -3 | Missing | 3 |
0%
|
| 1 | Yes | 571 |
5.9%
|
| 2 | No | 9027 |
93.8%
|
| Sysmiss | 2275 |