| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1000 |
83.5%
|
| 1 | Only once | 122 |
10.2%
|
| 2 | A few times | 45 |
3.8%
|
| 3 | Often | 11 |
0.9%
|
| 9 | Don’t know | 20 |
1.7%
|
| 98 | Refused | 0 |
0%
|