| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 847 |
35.3%
|
| 1 | Occasionally | 990 |
41.3%
|
| 2 | Frequently | 558 |
23.3%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 5 |
0.2%
|