| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 10 |
0.4%
|
| 0 | Never | 694 |
28.9%
|
| 1 | Occasionally | 1290 |
53.8%
|
| 2 | Frequently | 404 |
16.8%
|
| 9 | Don't know | 2 |
0.1%
|
| 98 | Refused | 0 |
0%
|