| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 469 |
39.1%
|
| 1 | Occasionally | 499 |
41.6%
|
| 2 | Frequently | 232 |
19.3%
|
| 9 | Don't know | 0 |
0%
|
| 998 | Refused | 0 |
0%
|