| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 7 |
1.2%
|
| -8 | Refused | 1 |
0.2%
|
| -5 | Not Applicable | 0 |
0%
|
| -3 | Missing | 2 |
0.3%
|
| 1 | Yes | 135 |
22.7%
|
| 2 | No | 449 |
75.6%
|
| Sysmiss | 405 |