| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 1260 |
52.5%
|
| 1 | Only once | 300 |
12.5%
|
| 2 | A few times | 392 |
16.3%
|
| 3 | Often | 373 |
15.5%
|
| 9 | Don’t know | 75 |
3.1%
|
| 98 | Refused | 0 |
0%
|