| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 16 |
0.8%
|
| -8 | Refused | 6 |
0.3%
|
| -5 | Not applicable | 0 |
0%
|
| -3 | Missing | 1 |
0.1%
|
| 1 | Yes | 114 |
5.9%
|
| 2 | No | 1784 |
92.9%
|
| Sysmiss | 31 |