| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 438 |
36.5%
|
| 1 | Occasionally | 418 |
34.8%
|
| 2 | Frequently | 343 |
28.6%
|
| 9 | Don't know | 1 |
0.1%
|
| 998 | Refused | 0 |
0%
|