| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1666 |
71.7%
|
| 1 | Only once | 234 |
10.1%
|
| 2 | A few times | 315 |
13.6%
|
| 3 | Often | 73 |
3.1%
|
| 9 | Don't know | 36 |
1.5%
|
| 998 | Refused | 0 |
0%
|