| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 3310 |
40.3%
|
| 1 | Rarely | 763 |
9.3%
|
| 2 | Sometimes | 2340 |
28.5%
|
| 3 | Often | 1807 |
22%
|
| 98 | Don't know | 0 |
0%
|
| 99 | Refuse | 0 |
0%
|
| c | 2 |
0%
|
|
| d | 1 |
0%
|