| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 3 |
0.3%
|
| 0 | Never | 348 |
29%
|
| 1 | Occasionally | 447 |
37.3%
|
| 2 | Frequently | 362 |
30.2%
|
| 9 | Don't know | 40 |
3.3%
|
| 998 | Refused | 0 |
0%
|