| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 825 |
34.4%
|
| 1 | Occasionally | 1167 |
48.6%
|
| 2 | Frequently | 407 |
17%
|
| 8 | Refused | 1 |
0%
|
| 9 | Don't know | 0 |
0%
|