| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 37 |
0.8%
|
| -8 | Refused | 9 |
0.2%
|
| -5 | Not Applicable | 0 |
0%
|
| -3 | Missing | 0 |
0%
|
| 1 | Yes | 1620 |
34.6%
|
| 2 | No | 3020 |
64.4%
|
| Sysmiss | 17780 |