| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 406 |
4.9%
|
| 1 | Rarely | 172 |
2.1%
|
| 2 | Sometimes | 832 |
10.1%
|
| 3 | Often | 6810 |
82.8%
|
| 98 | Don't know | 0 |
0%
|
| 99 | Refuse | 0 |
0%
|
| c | 2 |
0%
|
|
| d | 1 |
0%
|