| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 589 |
49.1%
|
| 1 | Only once | 129 |
10.8%
|
| 2 | A few times | 214 |
17.8%
|
| 3 | Often | 218 |
18.2%
|
| 9 | Don't know | 50 |
4.2%
|
| 98 | Refused | 0 |
0%
|