| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1056 |
88.1%
|
| 1 | Only once | 45 |
3.8%
|
| 2 | A few times | 57 |
4.8%
|
| 3 | Often | 31 |
2.6%
|
| 9 | Don't know | 10 |
0.8%
|
| 98 | Refused | 0 |
0%
|