| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 2 |
0.2%
|
| 0 | Never | 970 |
82.1%
|
| 1 | Only once | 63 |
5.3%
|
| 2 | A few times | 82 |
6.9%
|
| 3 | Often | 56 |
4.7%
|
| 9 | Don't know | 9 |
0.8%
|
| 98 | Refused | 0 |
0%
|