| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 870 |
10.6%
|
| 1 | Rarely | 861 |
10.5%
|
| 2 | Sometimes | 3153 |
38.3%
|
| 3 | Often | 3337 |
40.6%
|
| 98 | Don't know | 0 |
0%
|
| 99 | Refuse | 0 |
0%
|
| c | 1 |
0%
|
|
| d | 1 |
0%
|