| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 756 |
31.8%
|
| 1 | Occasionally | 1230 |
51.7%
|
| 2 | Frequently | 371 |
15.6%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 21 |
0.9%
|