| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 17501 |
38.2%
|
| 1 | Occasionally | 20333 |
44.4%
|
| 2 | Frequently | 7756 |
16.9%
|
| 8 | Refused | 48 |
0.1%
|
| 9 | Don't know | 185 |
0.4%
|