| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1103 |
91.9%
|
| 1 | Only once | 25 |
2.1%
|
| 2 | A few times | 46 |
3.8%
|
| 3 | Often | 26 |
2.2%
|
| 9 | Don't know | 0 |
0%
|
| 98 | Refused | 0 |
0%
|