| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 991 |
41.3%
|
| 1 | Once sometimes | 811 |
33.8%
|
| 2 | Often | 390 |
16.3%
|
| 3 | Always | 89 |
3.7%
|
| 9 | Don't know | 118 |
4.9%
|