| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 818 |
9.9%
|
| 1 | Rarely | 991 |
12.1%
|
| 2 | Sometimes | 2928 |
35.6%
|
| 3 | Often | 3471 |
42.2%
|
| 98 | Don't know | 0 |
0%
|
| 99 | Refuse | 0 |
0%
|
| c | 11 |
0.1%
|
|
| d | 4 |
0%
|