| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1154 |
96.2%
|
| 1 | Only once | 22 |
1.8%
|
| 2 | A few times | 19 |
1.6%
|
| 3 | Often | 5 |
0.4%
|
| 9 | Don't know | 0 |
0%
|
| 98 | Refused | 0 |
0%
|