| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 736 |
61.3%
|
| 1 | Only once | 59 |
4.9%
|
| 2 | A few times | 152 |
12.7%
|
| 3 | Often | 206 |
17.2%
|
| 8 | Refused | 3 |
0.3%
|
| 9 | Don’t know | 44 |
3.7%
|