| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 2050 |
85.4%
|
| 1 | Only once | 135 |
5.6%
|
| 2 | A few times | 57 |
2.4%
|
| 3 | Often | 39 |
1.6%
|
| 9 | Don’t know | 119 |
5%
|
| 98 | Refused | 0 |
0%
|