| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 316 |
26.3%
|
| 1 | Occasionally | 646 |
53.8%
|
| 2 | Frequently | 236 |
19.7%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 2 |
0.2%
|