| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 4 |
0.1%
|
| -8 | Refused | 3 |
0.1%
|
| -5 | Not applicable | 0 |
0%
|
| -3 | Missing | 0 |
0%
|
| 1 | Yes | 476 |
11%
|
| 2 | No | 3853 |
88.9%
|
| Sysmiss | 3715 |