| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 562 |
6.8%
|
| 1 | Rarely | 851 |
10.3%
|
| 2 | Sometimes | 3216 |
39.1%
|
| 3 | Often | 3589 |
43.6%
|
| 98 | Don't know | 0 |
0%
|
| 99 | Refuse | 0 |
0%
|
| c | 3 |
0%
|
|
| d | 2 |
0%
|