| Value | Category | Cases | |
|---|---|---|---|
| 1 | Always | 373 |
0.5%
|
| 2 | Sometimes | 188 |
0.2%
|
| 3 | Never | 340 |
0.4%
|
| 93 | Refused | 36 |
0%
|
| 97 | Not applicable | 80655 |
98.9%
|
| 99 | Missing | 0 |
0%
|
| Sysmiss | 113503 |