| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 719 |
59.9%
|
| 1 | Only once | 99 |
8.3%
|
| 2 | A few times | 160 |
13.3%
|
| 3 | Often | 221 |
18.4%
|
| 9 | Don’t know | 1 |
0.1%
|
| 98 | Refused | 0 |
0%
|