| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 2066 |
85.1%
|
| 1 | Only once | 173 |
7.1%
|
| 2 | A few times | 138 |
5.7%
|
| 3 | Often | 37 |
1.5%
|
| 9 | Don't know | 14 |
0.6%
|