| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 615 |
51.7%
|
| 1 | Only sometimes | 268 |
22.5%
|
| 2 | Often | 176 |
14.8%
|
| 3 | Always | 101 |
8.5%
|
| 9 | Don't know | 30 |
2.5%
|
| 998 | Refused | 0 |
0%
|