| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 1624 |
66.9%
|
| 1 | Only once | 319 |
13.1%
|
| 2 | A few times | 368 |
15.2%
|
| 3 | Often | 105 |
4.3%
|
| 9 | Don't know | 12 |
0.5%
|