| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1028 |
43.2%
|
| 1 | Only once | 327 |
13.8%
|
| 2 | A few times | 524 |
22%
|
| 3 | Often | 467 |
19.6%
|
| 8 | Refused | 1 |
0%
|
| 9 | Don’t know | 31 |
1.3%
|