| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1548 |
64.5%
|
| 1 | A few times | 387 |
16.1%
|
| 2 | Often | 201 |
8.4%
|
| 8 | Refused | 1 |
0%
|
| 9 | Don’t know | 263 |
11%
|