| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 1925 |
79.3%
|
| 1 | Only once | 189 |
7.8%
|
| 2 | A few times | 156 |
6.4%
|
| 3 | Often | 54 |
2.2%
|
| 9 | Don't know | 104 |
4.3%
|