| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 477 |
39.8%
|
| 1 | Occasionally | 518 |
43.2%
|
| 2 | Frequently | 198 |
16.5%
|
| 8 | Refused | 3 |
0.3%
|
| 9 | Don't know | 4 |
0.3%
|