| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 698 |
58.2%
|
| 1 | Only once | 106 |
8.8%
|
| 2 | A few times | 144 |
12%
|
| 3 | Often | 150 |
12.5%
|
| 8 | Refused | 2 |
0.2%
|
| 9 | Don’t know | 100 |
8.3%
|