| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 2 |
0.1%
|
| 0 | Never | 1655 |
68.8%
|
| 1 | Only once | 216 |
9%
|
| 2 | A few times | 293 |
12.2%
|
| 3 | Often | 221 |
9.2%
|
| 9 | Don't know | 20 |
0.8%
|
| 998 | Refused | 0 |
0%
|