| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 320 |
26.7%
|
| 1 | Occasionally | 616 |
51.4%
|
| 2 | Frequently | 219 |
18.3%
|
| 9 | Don't know | 44 |
3.7%
|
| 998 | Refused | 0 |
0%
|