| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 1626 |
19.8%
|
| 1 | Rarely | 773 |
9.4%
|
| 2 | Sometimes | 1870 |
22.7%
|
| 3 | Often | 3936 |
47.9%
|
| 98 | Don't know | 0 |
0%
|
| 99 | Refuse | 0 |
0%
|
| c | 13 |
0.2%
|
|
| d | 5 |
0.1%
|