| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 358 |
29.9%
|
| 1 | Occasionally | 508 |
42.4%
|
| 2 | Frequently | 333 |
27.8%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 0 |
0%
|