| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 2048 |
85.3%
|
| 1 | Only once | 138 |
5.8%
|
| 2 | A few times | 65 |
2.7%
|
| 3 | Often | 36 |
1.5%
|
| 9 | Don’t know | 113 |
4.7%
|
| 98 | Refused | 0 |
0%
|