| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 933 |
77.8%
|
| 1 | Only once | 77 |
6.4%
|
| 2 | A few times | 133 |
11.1%
|
| 3 | Often | 53 |
4.4%
|
| 9 | Don't know | 4 |
0.3%
|
| 98 | Refused | 0 |
0%
|