| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 15 |
1.3%
|
| 0 | Never | 409 |
34.1%
|
| 1 | Occasionally | 487 |
40.6%
|
| 2 | Frequently | 241 |
20.1%
|
| 9 | Don't know | 47 |
3.9%
|
| 98 | Refused | 0 |
0%
|