| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 168 |
85.3%
|
| 1 | Once | 1 |
0.5%
|
| 2 | A few times | 22 |
11.2%
|
| 3 | Often | 6 |
3%
|
| 88 | I don't know | 0 |
0%
|
| 999 | I don't wish to answer | 0 |
0%
|
| Sysmiss | 52 |