| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 14 |
0.1%
|
| -8 | Refused | 20 |
0.2%
|
| -5 | Not applicable | 0 |
0%
|
| -3 | Missing | 0 |
0%
|
| 1 | Yes | 561 |
4.3%
|
| 2 | No | 12437 |
95.4%
|
| Sysmiss | 939 |