| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1027 |
44.2%
|
| 1 | Only sometimes | 715 |
30.8%
|
| 2 | Often | 332 |
14.3%
|
| 3 | Always | 75 |
3.2%
|
| 9 | Don't know | 175 |
7.5%
|
| 998 | Refused | 0 |
0%
|