| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0%
|
| 0 | Never | 156 |
6.5%
|
| 1 | Sometimes | 802 |
33.6%
|
| 2 | Often | 681 |
28.5%
|
| 3 | Always | 633 |
26.5%
|
| 9 | Don't know | 113 |
4.7%
|
| 98 | Refused | 0 |
0%
|