| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 2 |
0.2%
|
| 0 | Never | 185 |
15.4%
|
| 1 | Occasionally | 636 |
53%
|
| 2 | Frequently | 375 |
31.3%
|
| 9 | Don't know | 2 |
0.2%
|
| 98 | Refused | 0 |
0%
|