| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0%
|
| 0 | Never | 1105 |
45.9%
|
| 1 | Only sometimes | 431 |
17.9%
|
| 2 | Often | 181 |
7.5%
|
| 3 | Always | 121 |
5%
|
| 9 | Don't know | 568 |
23.6%
|
| 998 | Refused | 0 |
0%
|