| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 378 |
31.5%
|
| 1 | Occasionally | 602 |
50.2%
|
| 2 | Frequently | 219 |
18.3%
|
| 9 | Don't know | 1 |
0.1%
|
| 998 | Refused | 0 |
0%
|