| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1556 |
64.8%
|
| 1 | Rarely | 471 |
19.6%
|
| 2 | Often | 133 |
5.5%
|
| 3 | Always | 49 |
2%
|
| 9 | Don't know | 191 |
8%
|
| 998 | Refused | 0 |
0%
|