| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1142 |
95.2%
|
| 1 | Only once | 18 |
1.5%
|
| 2 | A few times | 32 |
2.7%
|
| 3 | Often | 8 |
0.7%
|
| 9 | Don't know | 0 |
0%
|
| 98 | Refused | 0 |
0%
|