| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 312 |
26%
|
| 1 | Occasionally | 685 |
57.1%
|
| 2 | Frequently | 202 |
16.8%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 1 |
0.1%
|