| Value | Category | Cases | |
|---|---|---|---|
| 1 | Always | 1641 |
2%
|
| 2 | Sometimes | 914 |
1.1%
|
| 3 | Never | 1498 |
1.8%
|
| 93 | Refused | 40 |
0%
|
| 97 | Not applicable | 77691 |
95%
|
| 99 | Missing | 0 |
0%
|
| Sysmiss | 113311 |