| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 346 |
28.8%
|
| 1 | Occasionally | 609 |
50.8%
|
| 2 | Frequently | 240 |
20%
|
| 8 | Refused | 2 |
0.2%
|
| 9 | Don't know | 3 |
0.3%
|